Index of /v/va3iul//Homebrew_RF_Circuit_Design_Ideas

[ICO]NameLast modifiedSizeDescription

[DIR]Parent Directory  -  
[IMG]1.5MHz-50MHz_LNA-PA.gif18-Oct-2009 06:12 48K 
[IMG]AGC_PIN_Attenuator.gif17-Nov-2009 15:21 124K 
[IMG]0-250kHz_3.5MHz_VLF_Converter.gif29-Nov-2009 03:13 8.3K 
[IMG]0-99kHz_Frequency-Counter_G0UPL.gif29-Nov-2009 03:13 18K 
[IMG]0.01-100MHz_Dual-Stage_LNA.gif29-Nov-2009 03:13 21K 
[IMG]0.3-30MHz_RX_DC1YB.gif29-Nov-2009 03:13 46K 
[IMG]1-30MHz_Ultra_Hi-Dynamic_LNA_YU1AW.gif29-Nov-2009 03:13 45K 
[IMG]1.25V-25V_2.5A_PS.gif29-Nov-2009 03:13 29K 
[IMG]1.3GHz_144MHz_TRV_OE9PMJ.gif29-Nov-2009 03:13 79K 
[IMG]1.3GHz_1W_PA_IW2BC.gif29-Nov-2009 03:13 61K 
[IMG]1.3GHz_ATV_Downconverter.gif29-Nov-2009 03:13 67K 
[IMG]1.3GHz_LNA_MGF1302_OH3MCK.gif29-Nov-2009 03:13 80K 
[IMG]1.3GHz_LNA_PE1BVJ.gif29-Nov-2009 03:13 26K 
[IMG]1.3GHz_Signal_Generator_W6PQL.gif29-Nov-2009 03:13 84K 
[IMG]1.3GHz_Transverter_DB9LN-DB6NT.gif29-Nov-2009 03:13 36K 
[IMG]1.3GHz_VCO_Emitter_Noise_Feedback.gif29-Nov-2009 03:13 13K 
[IMG]1.42GHz_to_5.7GHz_Multiplier_F1HPR.gif29-Nov-2009 03:13 38K 
[IMG]1.5MHz-50MHz_LNA-PA_YU1LM.gif29-Nov-2009 03:13 49K 
[IMG]1.6-30MHz_300W_PA_BLF177.gif29-Nov-2009 03:13 107K 
[IMG]1.65MHz_AM_QRP_TX.gif29-Nov-2009 03:13 78K 
[IMG]1.6MHz-to-150MHz_Modulated_Grid-Dip_Meter.gif29-Nov-2009 03:13 26K 
[IMG]1.78GHz_Class-F_PA.gif29-Nov-2009 03:13 7.4K 
[IMG]1.8MHz-30MHz_15W_PA_W8DIZ.gif29-Nov-2009 03:13 55K 
[IMG]1.8MHz-to-28MHz_TRV_YO2IS.gif29-Nov-2009 03:13 56K 
[IMG]1.93MHz-to-1.98MHz_Very-Stable_VFO_W8DIZ.gif29-Nov-2009 03:13 45K 
[IMG]10.24GHz_GaAs_LNAs.gif29-Nov-2009 03:13 71K 
[IMG]10.5GHz_DRO.gif29-Nov-2009 03:13 37K 
[IMG]10.5GHz_Signal_Source_F6BVA.gif29-Nov-2009 03:14 77K 
[IMG]100kHz-to-600MHz_Wideband_Linear_Amplifier.gif29-Nov-2009 03:14 53K 
[IMG]100MHz-450MHz_250W_PA.gif29-Nov-2009 03:14 84K 
[IMG]100MHz-to-1700MHz_Frequency_Multiplier.gif29-Nov-2009 03:14 33K 
[IMG]100MHz_500MHz_LNA.gif29-Nov-2009 03:14 14K 
[IMG]100MHz_Crystal_Oscillator.gif29-Nov-2009 03:14 8.0K 
[IMG]100MHz_Fifth-Overtone_Butler_VCXO.gif29-Nov-2009 03:14 21K 
[IMG]100MHz_FM_Dual_Gate_LO.gif29-Nov-2009 03:14 5.9K 
[IMG]100MHz_Low_Phase_Noise_VCXO.gif29-Nov-2009 03:14 21K 
[IMG]100MHz_VCXO.gif29-Nov-2009 03:14 31K 
[IMG]10223MHz_Signal_Source_DL1RQ.gif29-Nov-2009 03:14 25K 
[IMG]102MHz_VCXO.gif29-Nov-2009 03:14 30K 
[IMG]10368MHz_Signal_Source_DJ6JJ.gif29-Nov-2009 03:14 33K 
[IMG]10GHz_1W_PA_F1JGP.gif29-Nov-2009 03:14 123K 
[IMG]10GHz_4W_PA_DB6NT.gif29-Nov-2009 03:14 24K 
[IMG]10GHz_DRO_Oscillator.gif29-Nov-2009 03:14 31K 
[IMG]10GHz_GaAs_LNA_N1BWT.gif29-Nov-2009 03:14 84K 
[IMG]10GHz_LNA.gif29-Nov-2009 03:14 11K 
[IMG]10GHz_LO_Multiplier_N1BWT.gif29-Nov-2009 03:14 48K 
[IMG]10GHz_to_144MHz_Transverter_DB6NT.gif29-Nov-2009 03:14 65K 
[IMG]10GHz_Transverter.gif29-Nov-2009 03:14 88K 
[IMG]10m_CW_TRX_K8IQY.gif29-Nov-2009 03:14 55K 
[IMG]10m_QRP_TX_CW_NB6M.gif29-Nov-2009 03:14 69K 
[IMG]10m_SSB_TRX.gif29-Nov-2009 03:14 305K 
[IMG]10MHz-to-90MHz_1kW_MOSFET_PA.gif29-Nov-2009 03:14 231K 
[IMG]10MHz_1W_TRX_NE-QRP.gif29-Nov-2009 03:14 34K 
[IMG]10MHz_QRP_TRX_PA2OHH.gif29-Nov-2009 03:14 29K 
[IMG]10MHz_SSB_Ladder_X-tal_Filter.gif29-Nov-2009 03:14 18K 
[IMG]10MHz_Third-Overtone_Pierce_LO.gif29-Nov-2009 03:14 15K 
[IMG]10MHz_X-tal_Cascode_LO.gif29-Nov-2009 03:14 16K 
[IMG]10W-200W_Class_E-F_PA.gif29-Nov-2009 03:15 21K 
[IMG]10W_40m_CW_Transmitter.gif29-Nov-2009 03:15 9.3K 
[IMG]10W_HF_PA_MOSFET_LU8EHA.gif29-Nov-2009 03:15 49K 
[IMG]10W_HF_Power_Amplifier.gif29-Nov-2009 03:15 27K 
[IMG]1100MHz-1350MHz_VCO.gif29-Nov-2009 03:15 9.2K 
[IMG]1104MHz_LO_W6PQL.gif29-Nov-2009 03:15 17K 
[IMG]110MHz-to-210MHz_VCO_ESM500.gif29-Nov-2009 03:15 29K 
[IMG]110W_PA_144MHz.gif29-Nov-2009 03:15 41K 
[IMG]1150-1152MHz_Signal_Source.gif29-Nov-2009 03:15 34K 
[IMG]1152-10368-24192MHz_Harmonic_Mixer.gif29-Nov-2009 03:15 15K 
[IMG]1152-1296MHz_Signal_Source_G4DDK.gif29-Nov-2009 03:15 79K 
[IMG]1152MHz_PLL_Signal_Source_OZ1GDS.gif29-Nov-2009 03:15 42K 
[IMG]1152MHz_Signal_Source_F6BCU.gif29-Nov-2009 03:15 223K 
[IMG]116MHz_X-tal_LO_DJ8ES.gif29-Nov-2009 03:15 18K 
[IMG]118MHz-to-198MHz_FM-modulated_LO.gif29-Nov-2009 03:15 33K 
[IMG]118MHz_136MHz_Aviation_Band_Receiver.gif29-Nov-2009 03:15 214K 
[IMG]125MHz_Very_Low_Phase_Noise_Oscillator_ADI.gif29-Nov-2009 03:15 20K 
[IMG]125W_144MHz_Power_Amplifier.gif29-Nov-2009 03:15 18K 
[IMG]1267MHz_Signal_Source_W6FZJ.gif29-Nov-2009 03:15 27K 
[IMG]1294MHz-144MHz_RX_Converter.gif29-Nov-2009 03:15 36K 
[IMG]1296GHz_VLNA_G4DDK.gif29-Nov-2009 03:15 56K 
[IMG]1296MHz-to-10368MHz_Multiplier_F6BVA.gif29-Nov-2009 03:15 13K 
[IMG]1296MHz_144MHz_TRV_F1OPA.gif29-Nov-2009 03:15 12K 
[IMG]1296MHz_144MHz_TRV_F5LGJ.gif29-Nov-2009 03:16 201K 
[IMG]1296MHz_300mW_FM_ATV_Transmitter.gif29-Nov-2009 03:16 104K 
[IMG]1296MHz_50W_PA_DJ1EE.gif29-Nov-2009 03:16 56K 
[IMG]1296MHz_AM_ATV_Transmitter.gif29-Nov-2009 03:16 41K 
[IMG]1296MHz_DB-Mixer_WA6UAM.gif29-Nov-2009 03:16 108K 
[IMG]1296MHz_FM_ATV_TX_F3YX.gif29-Nov-2009 03:16 71K 
[IMG]1296MHz_FM_ATV_TX_I2ROM.gif29-Nov-2009 03:16 53K 
[IMG]1296MHz_LNA.gif29-Nov-2009 03:16 19K 
[IMG]1296MHz_LNA_F1JGP.gif29-Nov-2009 03:16 47K 
[IMG]1296MHz_LNA_WA6UAM.gif29-Nov-2009 03:16 34K 
[IMG]1296MHz_LO_W6PQL.gif29-Nov-2009 03:16 16K 
[IMG]1296MHz_Mixer_WA6UAM.gif29-Nov-2009 03:16 23K 
[IMG]1296MHz_PLL_FM_ATV_TX_N9ZIA.gif29-Nov-2009 03:16 83K 
[IMG]1296MHz_Power_Amplifier.gif29-Nov-2009 03:16 40K 
[IMG]1296MHz_Simple_TX.gif29-Nov-2009 03:16 25K 
[IMG]1296MHz_Transverter_W1GHZ.gif29-Nov-2009 03:16 175K 
[IMG]1296MHz_Weaksignal_Noise_Source_WA6UAM.gif29-Nov-2009 03:16 25K 
[IMG]12GHz-by-1000_Prescaler_DG6RBP.gif29-Nov-2009 03:16 51K 
[IMG]12GHz_Signal_Source_DB6NT.gif29-Nov-2009 03:16 37K 
[IMG]12GHz_Signal_Source_F6BVA.gif29-Nov-2009 03:16 85K 
[IMG]12V_Battery_Charger.gif29-Nov-2009 03:16 30K 
[IMG]13.56MHz_400W_Class-E_PA.gif29-Nov-2009 03:16 7.7K 
[IMG]13.8V_25A_PS_F5JTZ.gif29-Nov-2009 03:16 76K 
[IMG]13.8V_Float-Charging_Power_Supply.gif29-Nov-2009 03:16 20K 
[IMG]130MHz-to-6GHz_Multiplier_F1JGP.gif29-Nov-2009 03:16 32K 
[IMG]135MHz_175MHz_15W_PA.gif29-Nov-2009 03:16 156K 
[IMG]135MHz_175MHz_7W_PA.gif29-Nov-2009 03:17 156K 
[IMG]14.070MHz_RX_PSK31_DL6FAP.gif29-Nov-2009 03:17 19K 
[IMG]144MHz-to-1296MHz_Upconverter.gif29-Nov-2009 03:17 36K 
[IMG]144MHz-to-14MHz_TRV.gif29-Nov-2009 03:17 77K 
[IMG]144MHz-to-28MHz_Converter_YO3BAL-YO3DAC.gif29-Nov-2009 03:17 46K 
[IMG]144MHz-to-28MHz_RX_Converter_2xLNA.gif29-Nov-2009 03:17 36K 
[IMG]144MHz-to-28MHz_RX_Converter_Practical-Wireless.gif29-Nov-2009 03:17 14K 
[IMG]144MHz_100W_2xBLY94.gif29-Nov-2009 03:17 12K 
[IMG]144MHz_100W_Linear_PA.gif29-Nov-2009 03:17 175K 
[IMG]144MHz_160W_PA.gif29-Nov-2009 03:17 159K 
[IMG]144MHz_2.4GHz_UpConverter.gif29-Nov-2009 03:17 33K 
[IMG]144MHz_28MHz_Converter.gif29-Nov-2009 03:17 30K 
[IMG]144MHz_28MHz_Converter_N0GZ.gif29-Nov-2009 03:17 68K 
[IMG]144MHz_28MHz_TRV_LT2S.gif29-Nov-2009 03:17 142K 
[IMG]144MHz_2ch_Walkie-Talkie_DC1YB.gif29-Nov-2009 03:17 90K 
[IMG]144MHz_50W_PA_M0UKD.gif29-Nov-2009 03:17 262K 
[IMG]144MHz_55W_Class-E_PA.gif29-Nov-2009 03:17 5.8K 
[IMG]144MHz_AM_Walkie-Talkie_YO3AVE.gif29-Nov-2009 03:17 85K 
[IMG]144MHz_Beacon.gif29-Nov-2009 03:17 26K 
[IMG]144MHz_FM-AM_VFO_TX.gif29-Nov-2009 03:17 70K 
[IMG]144MHz_FM_1W_TX.gif29-Nov-2009 03:17 79K 
[IMG]144MHz_FM_Receiver.gif29-Nov-2009 03:17 26K 
[IMG]144MHz_FM_Receiver_2.gif29-Nov-2009 03:17 329K 
[IMG]144MHz_FM_TX.gif29-Nov-2009 03:17 32K 
[IMG]144MHz_LNA_YU1AW.gif29-Nov-2009 03:18 17K 
[IMG]144MHz_Low_Power_Beacon_YO3AVE.gif29-Nov-2009 03:18 40K 
[IMG]144MHz_Push_Pull_PA_YU1AW.gif29-Nov-2009 03:18 120K 
[IMG]144MHz_QRP_CW_TRX.gif29-Nov-2009 03:18 76K 
[IMG]144MHz_SSB-CW_DCR_RX.gif29-Nov-2009 03:18 134K 
[IMG]144MHz_SSB_Receiver_W1VT.gif29-Nov-2009 03:18 25K 
[IMG]144MHz_Superregenerative_RX.gif29-Nov-2009 03:18 47K 
[IMG]144MHz_to_14MHz_TRV_SM0VPO.gif29-Nov-2009 03:18 66K 
[IMG]144MHz_to_28MHz_Converter_FET.gif29-Nov-2009 03:18 23K 
[IMG]144MHz_to_28MHz_Transverter.gif29-Nov-2009 03:18 29K 
[IMG]144MHz_to_28MHz_TRV_WA6CDR.gif29-Nov-2009 03:18 80K 
[IMG]144MHz_Tuned_LNA.gif29-Nov-2009 03:18 25K 
[IMG]144MHz_Walkie-Talkie.gif29-Nov-2009 03:18 35K 
[IMG]145MHz_FM_Transmitter.gif29-Nov-2009 03:18 21K 
[IMG]14MHz_10W_TRX_JF1OZL.gif29-Nov-2009 03:18 53K 
[IMG]14MHz_25W_MOSFET_PA_F6BCU.gif29-Nov-2009 03:18 230K 
[IMG]14MHz_PSK31_TRX_K1SWL.gif29-Nov-2009 03:18 85K 
[IMG]14MHz_VXO_NB6M.gif29-Nov-2009 03:18 33K 
[IMG]150W_PA_28MHz.gif29-Nov-2009 03:18 171K 
[IMG]160m_TRX_G3TSO.gif29-Nov-2009 03:18 219K 
[IMG]160MHz-to-260MHz_VCO_ESV-Receiver.gif29-Nov-2009 03:18 34K 
[IMG]1700-1950MHz_VCO.gif29-Nov-2009 03:18 21K 
[IMG]180MHz_X-tal_LO_F1ANH.gif29-Nov-2009 03:18 51K 
[IMG]18MHz_very_stable_constant_amplitude_LO.gif29-Nov-2009 03:18 55K 
[IMG]1chip_VFO-Stabilizer_G0UPL.gif29-Nov-2009 03:18 9.4K 
[IMG]1GHz_Differential_VCO_Amplitude_Control.gif29-Nov-2009 03:18 17K 
[IMG]1GHz_Inverse-Class-F_PA.gif29-Nov-2009 03:18 7.4K 
[IMG]1GHz_Very_Low_Phase_Noise_VCO.gif29-Nov-2009 03:19 27K 
[IMG]1kHz_SineWave_LO.gif29-Nov-2009 03:19 14K 
[IMG]1MHz-1GHz_Absorption_Meter_GW1TDV.gif29-Nov-2009 03:19 6.5K 
[IMG]1MHz-5MHz_Goral_type_LO.gif29-Nov-2009 03:19 19K 
[IMG]1MHz-to-30MHz_5W_PA.gif29-Nov-2009 03:19 25K 
[IMG]1W_HF_CW_Transmitter.gif29-Nov-2009 03:19 64K 
[IMG]2.32GHz_144MHz_converter_DL5NEG.gif29-Nov-2009 03:19 6.5K 
[IMG]2.3GHz_1.5W_PA_F1JGP.gif29-Nov-2009 03:19 41K 
[IMG]2.3GHz_10W_PA_F1JGP.gif29-Nov-2009 03:19 128K 
[IMG]2.3GHz_4W_PA_F5EFD.gif29-Nov-2009 03:19 80K 
[IMG]2.3GHz_ATV_Upconverter_F1HPR.gif29-Nov-2009 03:19 62K 
[IMG]2.3GHz_to_144MHz_Transverter_DB6NT.gif29-Nov-2009 03:19 55K 
[IMG]2.3GHz_to_432MHz_Converter_DL5NEG.gif29-Nov-2009 03:19 27K 
[IMG]2.3GHz_Transverter_DC8UG.gif29-Nov-2009 03:19 77K 
[IMG]2.4-2.8GHz_VCO.gif29-Nov-2009 03:19 6.8K 
[IMG]2.4GHz_40dBm_OIP3_LNA.gif29-Nov-2009 03:19 10K 
[IMG]2.4GHz_LNA_1.1-NF_10dBm-IP3.gif29-Nov-2009 03:19 29K 
[IMG]2.4GHz_LNA_15dBGain_0.6dBNF.gif29-Nov-2009 03:19 20K 
[IMG]2.4GHz_LNA_F5JGP.gif29-Nov-2009 03:19 82K 
[IMG]2.4GHz_miliwatt_power-meter_F1HDD.gif29-Nov-2009 03:19 11K 
[IMG]2.4GHz_NF-1.5dB_G-14dB_HJ-FET_LNA.gif29-Nov-2009 03:19 137K 
[IMG]2.4GHz_pHEMT_LNA_0.5dB-NF.gif29-Nov-2009 03:19 17K 
[IMG]2.4GHz_Prescaler.gif29-Nov-2009 03:20 271K 
[IMG]2.4GHz_Signal_Generator_W6PQL.gif29-Nov-2009 03:20 36K 
[IMG]2.4GHz_Signal_Source_W6PQL.gif29-Nov-2009 03:20 35K 
[IMG]2.4GHz_two-LNA's_for_active_antenna.gif29-Nov-2009 03:20 45K 
[IMG]2.5GHz_Signal_Source_G4DDK.gif29-Nov-2009 03:20 26K 
[IMG]200MHz-to-600MHz_Frequency_Tripler.gif29-Nov-2009 03:20 11K 
[IMG]200W_PA_144MHz.gif29-Nov-2009 03:20 292K 
[IMG]20m-or-30m_TRX_Norcal-2030.gif29-Nov-2009 03:20 360K 
[IMG]20m_1W_TX_PA2OHH.gif29-Nov-2009 03:20 11K 
[IMG]20m_Bell-Ringer_CW_TRX_AA1TJ.gif29-Nov-2009 03:20 50K 
[IMG]20m_CW_Transmitter.gif29-Nov-2009 03:20 16K 
[IMG]20m_CW_TRX_7N3WVM.gif29-Nov-2009 03:20 32K 
[IMG]20m_CW_TRX_DC1YB.gif29-Nov-2009 03:20 63K 
[IMG]20m_CW_TRX_K8IQY.gif29-Nov-2009 03:20 78K 
[IMG]20m_CW_TRX_Norcal.gif29-Nov-2009 03:20 159K 
[IMG]20m_DCR_W1VD.gif29-Nov-2009 03:20 72K 
[IMG]20m_Direct_Conversion_Receiver.gif29-Nov-2009 03:20 48K 
[IMG]20m_QRP_TRX_PA2OHH.gif29-Nov-2009 03:20 42K 
[IMG]20m_RX_PSK31_DG2SK.gif29-Nov-2009 03:20 25K 
[IMG]20m_SSB_50W_TRX_YO3AVE.gif29-Nov-2009 03:20 415K 
[IMG]20m_SSB_Receiver.gif29-Nov-2009 03:21 216K 
[IMG]20W_Linear_PA_for_14MHz.gif29-Nov-2009 03:21 19K 
[IMG]2140MHz_NF-1.5dB_G-15dB_GaAs_LNA.gif29-Nov-2009 03:21 46K 
[IMG]21MHz_QRP_TRX_JF1OZL.gif29-Nov-2009 03:21 133K 
[IMG]220MHz_Low_Noise_Cascode_LO.gif29-Nov-2009 03:21 20K 
[IMG]225MHz-450MHz_10W_PA.gif29-Nov-2009 03:21 127K 
[IMG]2304MHz_2.5W_PA_WA3JUF.gif29-Nov-2009 03:21 81K 
[IMG]2304MHz_VLNA_G4DDK.gif29-Nov-2009 03:21 78K 
[IMG]23cm-70cm_TRV_I2SG.gif29-Nov-2009 03:21 208K 
[IMG]23cm_ATV_TX_FM.gif29-Nov-2009 03:21 33K 
[IMG]24GHz_80mW_F1GHB.gif29-Nov-2009 03:21 48K 
[IMG]24GHz_HEMT_LNA_WA3RMX.gif29-Nov-2009 03:21 49K 
[IMG]24MHz-to-7MHz_RX_Converter.gif29-Nov-2009 03:21 99K 
[IMG]260MHz-to-520MHz_VCO_HP8662A.gif29-Nov-2009 03:21 36K 
[IMG]27MHz-40MHz_Lumped_Component_Diplexer.gif29-Nov-2009 03:21 29K 
[IMG]27MHz_1kW_Low_Cost_MOSFET_PA.gif29-Nov-2009 03:21 107K 
[IMG]27MHz_2W_Transmitter.gif29-Nov-2009 03:21 89K 
[IMG]27MHz_500W_Class-E_MOSFET_PA.gif29-Nov-2009 03:21 27K 
[IMG]27MHz_500W_Class-E_PA.gif29-Nov-2009 03:21 7.1K 
[IMG]27MHz_AM-FM_TX.gif29-Nov-2009 03:21 142K 
[IMG]27MHz_RX-TX_Remote.gif29-Nov-2009 03:21 49K 
[IMG]27MHz_Third-Overtone_TTL-out_LO.gif29-Nov-2009 03:21 14K 
[IMG]27MHz_Walkie-Talkie.gif29-Nov-2009 03:21 75K 
[IMG]2808MHz_Signal_Source_DC0DA.gif29-Nov-2009 03:21 38K 
[IMG]28MHz-to-432MHz_Linear_Upconverter.gif29-Nov-2009 03:22 174K 
[IMG]28MHz_80W_SSB_PA_BLF246.gif29-Nov-2009 03:22 21K 
[IMG]28V-20A_Power_Supply.gif29-Nov-2009 03:22 28K 
[IMG]28V-50A_PS_F5UAM.gif29-Nov-2009 03:22 40K 
[IMG]2chip_Freq-Count_PA2OHH.gif29-Nov-2009 03:22 20K 
[IMG]2GHz-to-12GHz_Multiplier_F1OPA.gif29-Nov-2009 03:22 84K 
[IMG]2GHz_4GHz_VCO.gif29-Nov-2009 03:22 20K 
[IMG]2m_AM_Receiver.gif29-Nov-2009 03:22 53K 
[IMG]2m_BandScope_DH7GL-DF5FC.gif29-Nov-2009 03:22 41K 
[IMG]2m_PLL_FM_RX-TX_DC1YB.gif29-Nov-2009 03:22 144K 
[IMG]2MHz-50MHz_1kW_MOSFET_PAs.gif29-Nov-2009 03:22 103K 
[IMG]2MHz_20MHz_Grid_Dip_meter.gif29-Nov-2009 03:22 18K 
[IMG]2xBJT_Capacimeter.gif29-Nov-2009 03:22 31K 
[IMG]3-Digits_Dip-Meter.gif29-Nov-2009 03:22 50K 
[IMG]3.4GHz_3W_PA_DB6NT.gif29-Nov-2009 03:22 122K 
[IMG]3.4GHz_7W_PA_DB6NT.gif29-Nov-2009 03:22 33K 
[IMG]3.4GHz_TRV_DB6NT.gif29-Nov-2009 03:22 40K 
[IMG]3.5-10MHz_Superhet_Receiver.gif29-Nov-2009 03:22 19K 
[IMG]3.5GHz_LNA_0.9dB-NF_PHEMT.gif29-Nov-2009 03:22 26K 
[IMG]3.5MHz_5W_CW_TRX_JF1OZL.gif29-Nov-2009 03:22 53K 
[IMG]300Hz-to-3kHz_Microphone_Filter.gif29-Nov-2009 03:22 7.1K 
[IMG]30kHz-to-30MHz_Sinusoidal_Signal_Generator.gif29-Nov-2009 03:22 44K 
[IMG]30m_CW_Transmitter.gif29-Nov-2009 03:23 147K 
[IMG]30m_CW_TRX_7N3WVM.gif29-Nov-2009 03:23 26K 
[IMG]30m_CW_TRX_K1SWL.gif29-Nov-2009 03:23 43K 
[IMG]30m_CW_TRX_K8IQY.gif29-Nov-2009 03:23 263K 
[IMG]30m_CW_TRX_Norcal.gif29-Nov-2009 03:23 299K 
[IMG]30m_Dirty-Thirty_RX_VE7BPO.gif29-Nov-2009 03:23 76K 
[IMG]30m_PSK31_TRX_NN1G.gif29-Nov-2009 03:23 65K 
[IMG]30m_SSB_Superhet_Receiver.gif29-Nov-2009 03:23 193K 
[IMG]30MHz-200MHz_VCO.gif29-Nov-2009 03:23 9.2K 
[IMG]30MHz_300W_MOSFET_PA.gif29-Nov-2009 03:23 55K 
[IMG]3256MHz_Signal_Source_DB6NT.gif29-Nov-2009 03:23 30K 
[IMG]380MHz-to-520MHz_VCO.gif29-Nov-2009 03:23 28K 
[IMG]3GHz_Beacon_G4DDK.gif29-Nov-2009 03:23 68K 
[IMG]3MHz_30MHz_VCXO.gif29-Nov-2009 03:23 28K 
[IMG]3x2N2222_Short-Wave_AM_RX.gif29-Nov-2009 03:23 22K 
[IMG]3xBJT_Varactor_Capacimeter.gif29-Nov-2009 03:23 36K 
[IMG]4-1_Broadband_Transformers.gif29-Nov-2009 03:23 28K 
[IMG]4.9MHz-5.5MHz_VFO_TS-520.gif29-Nov-2009 03:23 43K 
[IMG]400MHz-to-800MHz_Gain-30dB_Preamplifier.gif29-Nov-2009 03:23 25K 
[IMG]400MHz_520MHz_8W_PA.gif29-Nov-2009 03:23 120K 
[IMG]400MHz_LNA_BFG540.gif29-Nov-2009 03:23 27K 
[IMG]404MHz_LO_AA5C.gif29-Nov-2009 03:23 53K 
[IMG]40m-20m_CW_TRX_LZ3AI.gif29-Nov-2009 03:23 43K 
[IMG]40m-to-11m_TRV_PY2MG.gif29-Nov-2009 03:23 45K 
[IMG]40m_10W_PA_PY2MG.gif29-Nov-2009 03:23 34K 
[IMG]40m_12W_TX_NB6M.gif29-Nov-2009 03:23 66K 
[IMG]40m_5W_CW_TX_N1HFX.gif29-Nov-2009 03:24 9.9K 
[IMG]40m_5W_TX_MOSFET.gif29-Nov-2009 03:24 7.9K 
[IMG]40m_AM-CW-SSB_Regenerative_RX.gif29-Nov-2009 03:24 32K 
[IMG]40m_Binaural_IQ_Receiver_KK7B.gif29-Nov-2009 03:24 108K 
[IMG]40m_CW-DSB_TRX_PY2MG.gif29-Nov-2009 03:24 81K 
[IMG]40m_CW-SSB_Receiver.gif29-Nov-2009 03:24 184K 
[IMG]40m_CW_TRX_K8IQY.gif29-Nov-2009 03:24 101K 
[IMG]40m_CW_TRX_Norcal.gif29-Nov-2009 03:24 290K 
[IMG]40m_CW_TRX_PY2MG.gif29-Nov-2009 03:24 69K 
[IMG]40m_CW_TX_PY2MG.gif29-Nov-2009 03:24 31K 
[IMG]40m_DCR_DL2YEO.gif29-Nov-2009 03:24 19K 
[IMG]40m_DCR_VU2ESE.gif29-Nov-2009 03:24 13K 
[IMG]40m_Paraceiver_AA1TJ.gif29-Nov-2009 03:24 35K 
[IMG]40m_SDR_PY2MG.gif29-Nov-2009 03:24 63K 
[IMG]40m_SOP_Receiver_N2CX.gif29-Nov-2009 03:24 23K 
[IMG]40m_SSB_TRX_PQD5_XQ5FOD.gif29-Nov-2009 03:24 75K 
[IMG]40m_SSB_TRX_PY2MG.gif29-Nov-2009 03:24 55K 
[IMG]40m_TRX_MC3362_JG1EAD.gif29-Nov-2009 03:24 28K 
[IMG]40m_TRX_NT7S.gif29-Nov-2009 03:24 152K 
[IMG]40MHz-to-70MHz_VCO.gif29-Nov-2009 03:24 39K 
[IMG]40MHz-to-800MHz_28dB-Gain_Amplifier.gif29-Nov-2009 03:24 25K 
[IMG]40W_88-108MHz_PA.gif29-Nov-2009 03:24 8.9K 
[IMG]40W_HF_PA_MOSFET_WA2EBY.gif29-Nov-2009 03:24 35K 
[IMG]422-1267MHz_Diode_Tripler.gif29-Nov-2009 03:24 17K 
[IMG]42MHz-to-72MHz_VCO.gif29-Nov-2009 03:24 29K 
[IMG]430MHz-to-780MHz_Tunable_Filter.gif29-Nov-2009 03:24 17K 
[IMG]430MHz_SSB_TRX_JF1OZL.gif29-Nov-2009 03:24 95K 
[IMG]432MHz-1296MHz_pHEMT_LNA_G0MRF.gif29-Nov-2009 03:24 20K 
[IMG]432MHz-to-144MHz_Converter_YO3BAL.gif29-Nov-2009 03:25 122K 
[IMG]432MHz-to-144MHz_RX_Converter_BFY90.gif29-Nov-2009 03:25 18K 
[IMG]432MHz-to-144MHz_Transverter.gif29-Nov-2009 03:25 77K 
[IMG]432MHz-to-28MHz_RX_Converter_AF239.gif29-Nov-2009 03:25 105K 
[IMG]432MHz-to-50MHz_TRV.gif29-Nov-2009 03:25 70K 
[IMG]432MHz_CW_TX.gif29-Nov-2009 03:25 20K 
[IMG]432MHz_FM_Receiver_DF2FQ.gif29-Nov-2009 03:25 32K 
[IMG]432MHz_LNA_MGF1402.gif29-Nov-2009 03:25 12K 
[IMG]432MHz_LNA_YU1AW.gif29-Nov-2009 03:25 17K 
[IMG]432MHz_pHEMT_LNA_0.4dBNF_JH0WJF.gif29-Nov-2009 03:25 11K 
[IMG]432MHz_QRP_FM_TX.gif29-Nov-2009 03:25 32K 
[IMG]432MHz_SSB-AM_RX_YO3AVE.gif29-Nov-2009 03:25 115K 
[IMG]432MHz_to_1296MHz_Frequency_Tripler.gif29-Nov-2009 03:25 22K 
[IMG]433MHz_Data_TRX.gif29-Nov-2009 03:25 6.6K 
[IMG]433MHz_Lumped_Components_Balun.gif29-Nov-2009 03:25 21K 
[IMG]439MHz_ATV_AM_Transmitter.gif29-Nov-2009 03:25 112K 
[IMG]450MHz_Quarter-wavelength_VCO.gif29-Nov-2009 03:25 33K 
[IMG]455kHz_BFO.gif29-Nov-2009 03:25 3.7K 
[IMG]455kHz_Ceramic_Filter_BFO.gif29-Nov-2009 03:25 3.0K 
[IMG]470MHz_PLL_FM_Demodulator.gif29-Nov-2009 03:25 45K 
[IMG]49MHz_Walkie-Talkie.gif29-Nov-2009 03:25 20K 
[IMG]4W_PLL_88-108_TX_XQ2FOD.gif29-Nov-2009 03:25 103K 
[IMG]4xPIN_diodes_wideband_switch.gif29-Nov-2009 03:25 17K 
[IMG]5-5.4MHz_VFO.gif29-Nov-2009 03:26 21K 
[IMG]5-6MHz_VFO_VE7CA.gif29-Nov-2009 03:26 14K 
[IMG]5.05MHz-5.075MHz_Clapp_VFO.gif29-Nov-2009 03:26 97K 
[IMG]5.7GHz_0.5W_PA_F1HPR.gif29-Nov-2009 03:26 32K 
[IMG]5.7GHz_4W_PA_F1JGP.gif29-Nov-2009 03:26 69K 
[IMG]5.7GHz_ATV_Converter_DL1IN.gif29-Nov-2009 03:26 29K 
[IMG]5.7GHz_Beacon_F6BVA.gif29-Nov-2009 03:26 49K 
[IMG]5.7GHz_LNA_15dBGain_1.2dBNF.gif29-Nov-2009 03:26 28K 
[IMG]5.7GHz_Transverter_DB6NT.gif29-Nov-2009 03:26 34K 
[IMG]50-150MHz_Crystal_Oscillator.gif29-Nov-2009 03:26 5.6K 
[IMG]500kHz-3GHz_LED_Field-Strength_Meter.gif29-Nov-2009 03:26 464K 
[IMG]500MHz_LogDet_DJ8ES.gif29-Nov-2009 03:26 21K 
[IMG]50MHz-to-28MHz_RX_Converter_PY2MG.gif29-Nov-2009 03:26 43K 
[IMG]50MHz_100W_Power_Amplifier.gif29-Nov-2009 03:26 38K 
[IMG]50MHz_150W_PA_BLX15.gif29-Nov-2009 03:26 7.8K 
[IMG]50MHz_28MHz_Converter.gif29-Nov-2009 03:26 12K 
[IMG]50MHz_28MHz_Transverter_DK7ZB.gif29-Nov-2009 03:26 76K 
[IMG]50MHz_300W_Linear_MOSFET_PA.gif29-Nov-2009 03:26 84K 
[IMG]50MHz_350W_PA_2xBLX15.gif29-Nov-2009 03:26 7.6K 
[IMG]50MHz_35W_PA_DJ9FG.gif29-Nov-2009 03:26 48K 
[IMG]50MHz_360W_2xBLX15.gif29-Nov-2009 03:26 17K 
[IMG]50MHz_Crystal_Oscillator.gif29-Nov-2009 03:26 9.0K 
[IMG]50MHz_Dual-Gate_LNA_OH2AUE.gif29-Nov-2009 03:26 12K 
[IMG]50MHz_FET_LNA_W1FB.gif29-Nov-2009 03:26 7.9K 
[IMG]50MHz_FM_TRX_Audio-Data.gif29-Nov-2009 03:26 52K 
[IMG]50MHz_QRP_AM_TX.gif29-Nov-2009 03:26 21K 
[IMG]50MHz_SSB-CW_TRX_7N3WVM.gif29-Nov-2009 03:26 178K 
[IMG]50MHz_SSB_TRX_KD1JV.gif29-Nov-2009 03:26 47K 
[IMG]50MHz_Superegenerative_Receiver.gif29-Nov-2009 03:26 66K 
[IMG]50MHz_transverter_OE9PMJ.gif29-Nov-2009 03:26 32K 
[IMG]55.2MHz_VCXO_KA7OEI.gif29-Nov-2009 03:27 82K 
[IMG]5616MHz_Signal_Source_DB6NT.gif29-Nov-2009 03:27 33K 
[IMG]567MHz_SAW_Oscillator.gif29-Nov-2009 03:27 13K 
[IMG]5MHz_VFO_Stabilizer_PA0FRI.gif29-Nov-2009 03:27 69K 
[IMG]5MHz_X-tal_Resonator_Coupled_LO.gif29-Nov-2009 03:27 30K 
[IMG]5W_80m_CW_Transceiver.gif29-Nov-2009 03:27 27K 
[IMG]5xGrid-Dip_Meters.gif29-Nov-2009 03:27 101K 
[IMG]6.0MHz-6.35MHz_VFO.gif29-Nov-2009 03:27 14K 
[IMG]600MHz_1200MHz_Low_PN_VCO.gif29-Nov-2009 03:27 15K 
[IMG]600MHz_2.2GHz_VCO.gif29-Nov-2009 03:27 23K 
[IMG]6m_CW_TX_VE7GC.gif29-Nov-2009 03:27 16K 
[IMG]6m_Junk-box_converter_WA3ENK.gif29-Nov-2009 03:27 27K 
[IMG]7.0MHz-7.3MHz_VFO.gif29-Nov-2009 03:27 19K 
[IMG]70MHz-210MHz_VCO_MOSFET.gif29-Nov-2009 03:27 27K 
[IMG]70MHz-to-560MHz_wideband_high-dynamic-range_LNA.gif29-Nov-2009 03:27 28K 
[IMG]70MHz_150W_PA_YU1AW.gif29-Nov-2009 03:27 85K 
[IMG]70MHz_160W_PA_GI0GDP.gif29-Nov-2009 03:27 56K 
[IMG]70MHz_28MHz_Transverter_OZ2M.gif29-Nov-2009 03:27 84K 
[IMG]70MHz_TRV_DF2FQ.gif29-Nov-2009 03:27 53K 
[IMG]74MHz-105MHz_Low_Noise_VCO.gif29-Nov-2009 03:27 16K 
[IMG]750MHz_1250MHz_VCO.gif29-Nov-2009 03:27 20K 
[IMG]750MHz_Push-Push_Oscillator.gif29-Nov-2009 03:27 44K 
[IMG]75m_DSB_TRX_KE7HR.gif29-Nov-2009 03:27 81K 
[IMG]75m_Phasing_SSB_Exciter_WA7JHZ.GIF29-Nov-2009 03:27 28K 
[IMG]75m_QRP_SSB_TRX_WA7JHZ.GIF29-Nov-2009 03:27 13K 
[IMG]75W_PA_144MHz_preamp.gif29-Nov-2009 03:27 49K 
[IMG]7MHz_CW_TRX_W7EL.gif29-Nov-2009 03:27 60K 
[IMG]7MHz_CW_TX.gif29-Nov-2009 03:27 14K 
[IMG]7MHz_Direct_Conversion_Receiver.gif29-Nov-2009 03:27 26K 
[IMG]7MHz_QRP_TRX_DL5NEG.gif29-Nov-2009 03:27 90K 
[IMG]7MHz_TRX_DK6SX.gif29-Nov-2009 03:27 95K 
[IMG]7MHz_TRX_Santerre_F6FEO.gif29-Nov-2009 03:27 181K 
[IMG]7MHz_VXO_NB6M.gif29-Nov-2009 03:27 45K 
[IMG]800MHz-2.4GHz_Tripler.gif29-Nov-2009 03:28 12K 
[IMG]800MHz-to-2400MHz_Frequency_Tripler.gif29-Nov-2009 03:28 11K 
[IMG]800MHz_1000MHz_BJT_LNA.gif29-Nov-2009 03:28 22K 
[IMG]800MHz_Very_Low_Phase_Noise_VCO.gif29-Nov-2009 03:28 40K 
[IMG]80m-40m_30W_PA_PY2MG.gif29-Nov-2009 03:28 36K 
[IMG]80m-40m_6W_CW_TX.gif29-Nov-2009 03:28 46K 
[IMG]80m-40m_DCR_VK3AWC.gif29-Nov-2009 03:28 139K 
[IMG]80m-40m_IQ_Receiver_AK4AA.gif29-Nov-2009 03:28 79K 
[IMG]80m_2xSimple_CW-SSB_Superhet_RX.gif29-Nov-2009 03:28 89K 
[IMG]80m_5W_SSB_PA_S57NAN.gif29-Nov-2009 03:28 74K 
[IMG]80m_All-2N2222_CW_TRX_OK2BEU.gif29-Nov-2009 03:28 50K 
[IMG]80m_All-BJT_DCR.gif29-Nov-2009 03:28 34K 
[IMG]80m_Beacon.gif29-Nov-2009 03:28 24K 
[IMG]80m_CW_QRP_TRX.gif29-Nov-2009 03:28 154K 
[IMG]80m_CW_TRX_Libra_SP5DDJ.gif29-Nov-2009 03:28 185K 
[IMG]80m_CW_VFO_QRP_TX.gif29-Nov-2009 03:28 21K 
[IMG]80m_DCR_PA2OHH.gif29-Nov-2009 03:28 27K 
[IMG]80m_DSB_TRX_PA3ANG.gif29-Nov-2009 03:28 151K 
[IMG]80m_SSB-CW-AM_Superhet_RX.gif29-Nov-2009 03:28 76K 
[IMG]80m_SSB_TRX_BC547_VK3AJG.gif29-Nov-2009 03:29 102K 
[IMG]80m_Superhet_Receiver.gif29-Nov-2009 03:29 74K 
[IMG]80m_Superhet_RX_IF-9MHz.gif29-Nov-2009 03:29 37K 
[IMG]80m_Unichip_TRX_G0UPL.gif29-Nov-2009 03:29 70K 
[IMG]80W_3-30MHz_Power_Amplifier.gif29-Nov-2009 03:29 30K 
[IMG]820MHz_2120MHz_Push-Pull_VCO.gif29-Nov-2009 03:29 17K 
[IMG]868.3MHz_to_144MHz_TRV_F1JGP.gif29-Nov-2009 03:29 46K 
[IMG]88-108MHz_15W_MOSFET_PA.gif29-Nov-2009 03:29 58K 
[IMG]88-108MHz_1W_FM_X-tal_TX.gif29-Nov-2009 03:29 53K 
[IMG]88-108MHz_300W_MOSFET_PA.gif29-Nov-2009 03:29 115K 
[IMG]88-108MHz_Cascode_LNA.gif29-Nov-2009 03:29 11K 
[IMG]88MHz-108MHz_0.5W_FM_TX.gif29-Nov-2009 03:29 182K 
[IMG]88MHz-108MHz_FM_Transmitter.gif29-Nov-2009 03:29 54K 
[IMG]88MHz_960MHz_Antenna_Analyzer.gif29-Nov-2009 03:29 41K 
[IMG]8W_HF_PA_F6BQU.gif29-Nov-2009 03:29 57K 
[IMG]9.5GHz_Signal_Source_F6BVA.gif29-Nov-2009 03:29 46K 
[IMG]900MHz_BJT_Gilbert_Mixer.gif29-Nov-2009 03:29 19K 
[IMG]900MHz_BJT_LNA.gif29-Nov-2009 03:29 21K 
[IMG]900MHz_G-22dB_NF-1.9dB_BJT_LNA.gif29-Nov-2009 03:29 49K 
[IMG]900MHz_High_Linearity_pHEMT_LNA.gif29-Nov-2009 03:29 14K 
[IMG]900MHz_Integrated_Cascode_LNA.gif29-Nov-2009 03:29 66K 
[IMG]900MHz_LNA_BFG505.gif29-Nov-2009 03:29 7.1K 
[IMG]900MHz_Signal_Source_W6PQL.gif29-Nov-2009 03:29 24K 
[IMG]902MHz_PLL_FM_ATV_Transmitter.gif29-Nov-2009 03:29 139K 
[IMG]902MHz_Signal_Source.gif29-Nov-2009 03:29 32K 
[IMG]950MHz-2150MHz_LNA.gif29-Nov-2009 03:29 27K 
[IMG]9MHz_SSB_Modulator.gif29-Nov-2009 03:29 127K 
[IMG]A-V_Transmitter_ZP5ZDM.gif29-Nov-2009 03:30 20K 
[IMG]A-V_VHF_TX.gif29-Nov-2009 03:30 18K 
[IMG]Active_Baluns_Differential_Single_Ended.gif29-Nov-2009 03:30 14K 
[IMG]Active_Baluns_Single_Ended_Differential.gif29-Nov-2009 03:30 17K 
[IMG]Active_CW_Filter_Audio_Amplifier.gif29-Nov-2009 03:30 20K 
[IMG]Active_Frequency_Quadrupler.gif29-Nov-2009 03:30 6.4K 
[IMG]AGC_Audio_Preamplifier.gif29-Nov-2009 03:30 37K 
[IMG]AGC_on_audio.gif29-Nov-2009 03:30 10K 
[IMG]AGC_PIN_attenuator.gif29-Nov-2009 03:30 10K 
[IMG]AGC_S-meter_PY2MG.gif29-Nov-2009 03:30 21K 
[IMG]AGC_with_AM_detector.gif29-Nov-2009 03:30 16K 
[IMG]AGC_with_hang_threshold.gif29-Nov-2009 03:30 31K 
[IMG]AGC_with_Squelch_control.gif29-Nov-2009 03:30 11K 
[IMG]Air_Speed_Sensor.gif29-Nov-2009 03:30 50K 
[IMG]Aircraft_Receiver_118-136MHz.gif29-Nov-2009 03:30 175K 
[IMG]All-Bands-HF-to-9MHz-IF_TRV_YO3DAC-YO3BAL.gif29-Nov-2009 03:30 41K 
[IMG]All-BJTs_Keyer.gif29-Nov-2009 03:30 197K 
[IMG]All_HF_Bands_DCR.gif29-Nov-2009 03:30 342K 
[IMG]AM_RX_Superheterodine_NE612.gif29-Nov-2009 03:30 8.6K 
[IMG]AM_TV_Transmitter.gif29-Nov-2009 03:30 11K 
[IMG]Antenna_Analyzer_F6BQU.gif29-Nov-2009 03:30 60K 
[IMG]Antenna_Noise_Bridge.gif29-Nov-2009 03:30 27K 
[IMG]Antenna_Preamplifier_100kHz-220MHz.gif29-Nov-2009 03:30 84K 
[IMG]ATV_432MHz_AM_Transmiter.gif29-Nov-2009 03:31 125K 
[IMG]ATV_FM_RX-Demodulator.gif29-Nov-2009 03:31 309K 
[IMG]Audio_Amplifier_with_mute.gif29-Nov-2009 03:31 14K 
[IMG]Audio_Filter_Analyzer.gif29-Nov-2009 03:31 10K 
[IMG]Audio_preamp_DNR.gif29-Nov-2009 03:31 28K 
[IMG]Audio_Variable-LPF_MAX293.gif29-Nov-2009 03:31 35K 
[IMG]Automatic_VSWR_and_Power_Meter_W0INK.gif29-Nov-2009 03:31 134K 
[IMG]AV_UHF_TV_modulator.gif29-Nov-2009 03:31 8.3K 
[IMG]back.gif29-Nov-2009 03:31 2.2K 
[IMG]Balun_Transformers.gif29-Nov-2009 03:31 45K 
[IMG]Baxandall.gif29-Nov-2009 03:31 5.4K 
[IMG]Beacon_144MHz.gif29-Nov-2009 03:31 13K 
[IMG]Beacon_VHF.gif29-Nov-2009 03:31 44K 
[IMG]Bias_Tee_5kHz_3GHz.gif29-Nov-2009 03:31 5.0K 
[IMG]Biasing_GaAs-FET.gif29-Nov-2009 03:31 16K 
[IMG]BITX_20m_TRX_VU2ESE.gif29-Nov-2009 03:31 43K 
[IMG]Boosting_Gain_LM386_VK3AWC.gif29-Nov-2009 03:31 68K 
[IMG]Butler_X-tal_Oscillators.gif29-Nov-2009 03:31 72K 
[IMG]Buttler_Crystal_Oscillator.gif29-Nov-2009 03:31 19K 
[IMG]Buttler_Overtone_Crystal_Oscillator.gif29-Nov-2009 03:31 8.1K 
[IMG]C-band_Signal_Source_F1JGP.gif29-Nov-2009 03:31 195K 
[IMG]Cable_Reflection_Tester_N9ZIA.gif29-Nov-2009 03:31 21K 
[IMG]Calibrated_Noise_Source.gif29-Nov-2009 03:31 33K 
[IMG]Capacimeter_SN7400-SN7490.gif29-Nov-2009 03:32 31K 
[IMG]Capacitance_Meter.gif29-Nov-2009 03:32 19K 
[IMG]Capacitance_meter_using_DVM.gif29-Nov-2009 03:32 20K 
[IMG]Cascode_Class-E_PAs.gif29-Nov-2009 03:32 16K 
[IMG]Cavity-Tuned_Oscillator.gif29-Nov-2009 03:32 19K 
[IMG]CB_AM_RX-TX.gif29-Nov-2009 03:32 32K 
[IMG]CB_Receiver_TCA440.gif29-Nov-2009 03:32 486K 
[IMG]Ceramic_Resonator_VCO.gif29-Nov-2009 03:32 12K 
[IMG]Clasic40_DCR_KK7B.gif29-Nov-2009 03:32 102K 
[IMG]Class-A_Audio_Amplifier.gif29-Nov-2009 03:32 12K 
[IMG]Class-F_LDMOS_PA.gif29-Nov-2009 03:32 7.0K 
[IMG]Class_A_Headphone_Amplifier.gif29-Nov-2009 03:32 6.5K 
[IMG]ClassA_HIFI_Headphone_Amplifier.gif29-Nov-2009 03:32 137K 
[IMG]CMOS_Iambic_Keyer_N5FC.gif29-Nov-2009 03:32 177K 
[IMG]Coil_Short-circuit_Detector.gif29-Nov-2009 03:32 14K 
[IMG]Crystal_Filter_Types.gif29-Nov-2009 03:32 11K 
[IMG]Crystal_Oscillators_Types.gif29-Nov-2009 03:32 105K 
[IMG]Crystal_Tester_F5JTZ.gif29-Nov-2009 03:32 38K 
[IMG]Crystal_TV_Video_Modulator.gif29-Nov-2009 03:32 54K 
[IMG]CW_Audio_Filter_Dig-Sel_PY2MG.gif29-Nov-2009 03:32 23K 
[IMG]CW_Electronic_Keyer.gif29-Nov-2009 03:32 99K 
[IMG]CW_Keyer_NE555.gif29-Nov-2009 03:32 50K 
[IMG]DB_Mixer_MC1496.gif29-Nov-2009 03:32 11K 
[IMG]DC-DC_from_Linear_Regulator.gif29-Nov-2009 03:32 11K 
[IMG]DC-switched_X-tal_LO.gif29-Nov-2009 03:32 31K 
[IMG]DC_Protection_Circuits.gif29-Nov-2009 03:32 12K 
[IMG]DCR_MOS.gif29-Nov-2009 03:32 149K 
[IMG]Deluxe_All-Solid-State_Iambic_Keyer_W1RML.gif29-Nov-2009 03:33 144K 
[IMG]Direct_Conversion_Receiver_1.8MHz_14MHz.gif29-Nov-2009 03:33 27K 
[IMG]Distributed_Diode_Single-Balanced_Narrowband_Hybrid_Mixer.gif29-Nov-2009 03:33 37K 
[IMG]Distributed_Wideband_Balun_for_Microwaves.gif29-Nov-2009 03:33 16K 
[IMG]Divide_by_N_using_74160_Wenzel.gif29-Nov-2009 03:33 25K 
[IMG]DRM_RX_DL5MGD.gif29-Nov-2009 03:33 58K 
[IMG]Dual_band_TRX_20m-40m-VU2ESE.gif29-Nov-2009 03:33 34K 
[IMG]Dual_MOSFET_Mixer.gif29-Nov-2009 03:33 11K 
[IMG]Dynamic_mic_preamp.gif29-Nov-2009 03:33 16K 
[IMG]Dynamic_Noise_Filter.gif29-Nov-2009 03:33 13K 
[IMG]Economy_Short-Wave_Receiver.gif29-Nov-2009 03:33 36K 
[IMG]Electronic_Keyer_F5JTZ.gif29-Nov-2009 03:33 130K 
[IMG]Electronic_Keyer_N1HFX.gif29-Nov-2009 03:33 20K 
[IMG]Electronic_Keyer_YO3CZI.gif29-Nov-2009 03:33 40K 
[IMG]Electrostatic_Detector.gif29-Nov-2009 03:33 8.6K 
[IMG]EM_waves_detector.gif29-Nov-2009 03:33 236K 
[IMG]Equivalent_Circuits_Class-E_PA.gif29-Nov-2009 03:33 14K 
[IMG]FET_HF_Mixer.gif29-Nov-2009 03:33 14K 
[IMG]Field_Strength_meter_3_level.gif29-Nov-2009 03:33 8.9K 
[IMG]Field_Strength_Meter_LM324.gif29-Nov-2009 03:33 7.0K 
[IMG]Flicker-Noise_Generator_Wenzel.gif29-Nov-2009 03:33 16K 
[IMG]FM-mod_X-tal_LO.gif29-Nov-2009 03:33 29K 
[IMG]FM_ATV_Receiver.gif29-Nov-2009 03:33 53K 
[IMG]FM_Audio_TX_with_Monitor.gif29-Nov-2009 03:33 97K 
[IMG]FM_Broadcast_Superregenerative_Receiver_VK2ZAY.gif29-Nov-2009 03:34 24K 
[IMG]FM_DCR_Receiver.gif29-Nov-2009 03:34 37K 
[IMG]FM_Deviation_meter.gif29-Nov-2009 03:34 76K 
[IMG]FM_Receiver_TDA7000.gif29-Nov-2009 03:34 107K 
[IMG]FM_RX_137MHz.gif29-Nov-2009 03:34 165K 
[IMG]FM_RX_Strength-meter.gif29-Nov-2009 03:34 34K 
[IMG]FM_TX_0.5W_88-108MHz.gif29-Nov-2009 03:34 7.3K 
[IMG]Fonometer.gif29-Nov-2009 03:34 17K 
[IMG]Freq_multiplier_10MHz-30MHz.gif29-Nov-2009 03:34 12K 
[IMG]Frequency_Counter_prescaler.gif29-Nov-2009 03:34 294K 
[IMG]G3PDM_Vackar_VFO.gif29-Nov-2009 03:34 19K 
[IMG]GaAs_Preamplifier_70cm_N6CA.gif29-Nov-2009 03:34 95K 
[IMG]General_Coverage_AM_RX_ON6MU.gif29-Nov-2009 03:34 39K 
[IMG]Glitch_Detector.gif29-Nov-2009 03:34 16K 
[IMG]GPS_1.575GHz_G-18.5dB_NF-1.3dB_LNA.gif29-Nov-2009 03:34 15K 
[IMG]Grid-Dip_Meter_3.5MHz-110MHz.gif29-Nov-2009 03:34 61K 
[IMG]Helical_Resonator_Dimensions.gif29-Nov-2009 03:34 18K 
[IMG]Herring_Aid_5_RX_WA1LNQ.gif29-Nov-2009 03:34 57K 
[IMG]HF_180W_PA.gif29-Nov-2009 03:34 181K 
[IMG]HF_600W_MOSFET_PA.gif29-Nov-2009 03:34 423K 
[IMG]HF_7W_PA_ON6MU.gif29-Nov-2009 03:34 14K 
[IMG]HF_All-Band_Preselector.gif29-Nov-2009 03:34 37K 
[IMG]HF_DCR_AM_Immune_KD1JV.gif29-Nov-2009 03:34 23K 
[IMG]HF_DCR_VU2UPX.gif29-Nov-2009 03:34 92K 
[IMG]HF_Dual-Conversion_CW-SSB_TRX_YO3DAC-YO3BAL.gif29-Nov-2009 03:34 105K 
[IMG]HF_Line_Coupler.gif29-Nov-2009 03:35 6.3K 
[IMG]HF_Low_Power_AM_Transmitter.gif29-Nov-2009 03:35 32K 
[IMG]HF_Multiband-VCO_EK070.gif29-Nov-2009 03:35 37K 
[IMG]HF_Multiband-VCO_ESH-3.gif29-Nov-2009 03:35 54K 
[IMG]HF_PA_60W_IRF840.gif29-Nov-2009 03:35 4.1K 
[IMG]HF_Preselector_DL2JDN.gif29-Nov-2009 03:35 25K 
[IMG]HF_Q_meter_VK5JST.gif29-Nov-2009 03:35 98K 
[IMG]HF_QRP_CW_Transmitter.gif29-Nov-2009 03:35 18K 
[IMG]HF_QRP_manual_tuner_W6JJZ.gif29-Nov-2009 03:35 62K 
[IMG]HF_QRP_VXO_TX_W7ZOI.gif29-Nov-2009 03:35 82K 
[IMG]HF_Receiver_SSB_Superhet.gif29-Nov-2009 03:35 34K 
[IMG]HF_Receiver_WN5Y.gif29-Nov-2009 03:35 82K 
[IMG]HF_RX_AM-SSB_PY2MG.gif29-Nov-2009 03:35 52K 
[IMG]HF_RX_MC3362_VU2UPX.gif29-Nov-2009 03:35 8.9K 
[IMG]HF_Simple_Regenerative _RX_N1TEV.gif29-Nov-2009 03:35 68K 
[IMG]HF_Subharmonic_Mixer.gif29-Nov-2009 03:35 8.9K 
[IMG]HF_SWR_Bridge.gif29-Nov-2009 03:35 13K 
[IMG]HF_Transceiver_CW_SSB_NorCalSierra.gif29-Nov-2009 03:35 72K 
[IMG]HF_TRX_MiniPIG-10_W8DIZ.gif29-Nov-2009 03:35 54K 
[IMG]HF_VMOSFET_PA_DK7ZB.gif29-Nov-2009 03:35 68K 
[IMG]High-Voltage_DC-DC_Converter.gif29-Nov-2009 03:35 10K 
[IMG]High_Dynamic_Range_HF_LNA.gif29-Nov-2009 03:35 9.0K 
[IMG]High_Dynamic_Range_HF_Mixer.gif29-Nov-2009 03:35 15K 
[IMG]High_Dynamic_Range_Noise_Blanker.gif29-Nov-2009 03:35 16K 
[IMG]High_Impedance_RF_Probe.gif29-Nov-2009 03:35 4.6K 
[IMG]High_IP3_33dBm_BJT_Mixer.gif29-Nov-2009 03:35 13K 
[IMG]High_IP3_HF_LNA.gif29-Nov-2009 03:35 24K 
[IMG]High_IP3_Mixer_40dBm_IK4AUY.gif29-Nov-2009 03:35 40K 
[IMG]High_Overtone_Crystal_Oscillator.gif29-Nov-2009 03:35 21K 
[IMG]High_Performance_VHF_Overtone_Oscillator_GW4DGU.gif29-Nov-2009 03:35 25K 
[IMG]High_Quality_AM_TX.gif29-Nov-2009 03:35 38K 
[IMG]Huff-and-Puff_VFO_Stabilizer_WN5Y.gif29-Nov-2009 03:36 37K 
[IMG]Iambic_CW_Touch_Keyer_YC5NBX.gif29-Nov-2009 03:36 69K 
[IMG]IF_Filter_Switching.gif29-Nov-2009 03:36 29K 
[IMG]Inductance_meter_using_DVM.gif29-Nov-2009 03:36 18K 
[IMG]Inductance_meter_VK5BR.gif29-Nov-2009 03:36 34K 
[IMG]IQ_TRX_10GHz_S53MV.gif29-Nov-2009 03:36 191K 
[IMG]Javornik_144MHz-14MHz_Transverter_S53WW.gif29-Nov-2009 03:36 182K 
[IMG]K7HFD_High_Power_VFO.gif29-Nov-2009 03:36 12K 
[IMG]L-Band_pHEMT_LNA.gif29-Nov-2009 03:36 47K 
[IMG]L-band_Signal_Source_N6TX.gif29-Nov-2009 03:36 47K 
[IMG]L-C-R_Bridge_G3BIK.gif29-Nov-2009 03:36 23K 
[IMG]L-C_Meter_All-BJTs.gif29-Nov-2009 03:36 80K 
[IMG]L-C_meter_IZ7ATH.gif29-Nov-2009 03:36 22K 
[IMG]L-meter_N5ESE.gif29-Nov-2009 03:36 23K 
[IMG]L_band_LNA.gif29-Nov-2009 03:36 7.5K 
[IMG]Laser_torch_wireless_communication.gif29-Nov-2009 03:36 38K 
[IMG]LED_RF_Power_meter.gif29-Nov-2009 03:36 50K 
[IMG]LED_SWR-Pow-Meter_PY2MG.gif29-Nov-2009 03:36 55K 
[IMG]Left-Right_Revolution_Counter.gif29-Nov-2009 03:36 117K 
[IMG]Lightening_detector.gif29-Nov-2009 03:36 8.2K 
[IMG]LNA_2.4GHz_30dB-G_0.6dB-NF.gif29-Nov-2009 03:36 48K 
[IMG]LNA_UHF_BFP540.gif29-Nov-2009 03:36 30K 
[IMG]LNB_13V-18V_H-V_switch.gif29-Nov-2009 03:36 44K 
[IMG]LNB_950MHz_2150MHz.gif29-Nov-2009 03:36 27K 
[IMG]Long_Range_Cordless_Telephone.gif29-Nov-2009 03:36 92K 
[IMG]Low-cost_FSK_Generator.gif29-Nov-2009 03:37 15K 
[IMG]Low_Noise_Audio_Power_Supply.gif29-Nov-2009 03:37 39K 
[IMG]Low_Noise_Differential_VFO_5MHz-5.5MHz.gif29-Nov-2009 03:37 26K 
[IMG]Low_Noise_mic_amplifier.gif29-Nov-2009 03:37 18K 
[IMG]Low_Phase_Noise_Push-Push_VCO.gif29-Nov-2009 03:37 17K 
[IMG]Low_Voltage_X-tal_Oscillator.gif29-Nov-2009 03:37 7.8K 
[IMG]LW_Lightening_Detector.gif29-Nov-2009 03:37 27K 
[IMG]Magnetic_Field_Meter.gif29-Nov-2009 03:37 96K 
[IMG]Mic_Dynamic_Compressor.gif29-Nov-2009 03:37 21K 
[IMG]Mic_Preamp_Tone-Control_PY2MG.gif29-Nov-2009 03:37 30K 
[IMG]Microphone_Amplifier_Low_High_Impedance.gif29-Nov-2009 03:37 8.1K 
[IMG]Microphone_Preamp_Electret.gif29-Nov-2009 03:37 16K 
[IMG]Microstrip_Couplers.gif29-Nov-2009 03:37 31K 
[IMG]Microstrip_Stubs.gif29-Nov-2009 03:37 23K 
[IMG]Microwave_Coaxial_AM_Diode_Detector.gif29-Nov-2009 03:37 19K 
[IMG]Microwave_Coaxial_Diode_Mixers.gif29-Nov-2009 03:37 22K 
[IMG]Microwave_FM_Diode_Detectors.gif29-Nov-2009 03:37 36K 
[IMG]Microwave_Harmonic_Mixer.gif29-Nov-2009 03:37 25K 
[IMG]Microwave_Microstrip_AM_Diode_Detector.gif29-Nov-2009 03:37 26K 
[IMG]Microwave_Mixers.gif29-Nov-2009 03:37 27K 
[IMG]Microwave_Motion_Detector.gif29-Nov-2009 03:37 102K 
[IMG]Miniature_Tracking_Transmitter.gif29-Nov-2009 03:37 11K 
[IMG]Mixer_Diplexer.gif29-Nov-2009 03:37 6.5K 
[IMG]Mizuho_MX21S_QRP_TRX.gif29-Nov-2009 03:37 227K 
[IMG]Modulation_circuit_for_SHF_Beacon_F9HX.gif29-Nov-2009 03:37 13K 
[IMG]Modulator_Demodulator_PIN_diodes.gif29-Nov-2009 03:37 12K 
[IMG]Morse_Keyer_YO3APG.gif29-Nov-2009 03:37 35K 
[IMG]Multi-Q_RX_Loop_Antenna.gif29-Nov-2009 03:37 10K 
[IMG]MultiPig_RX_W8DIZ.gif29-Nov-2009 03:37 27K 
[IMG]No-Tune_Transverter_1.3GHz_KK7B.gif29-Nov-2009 03:37 63K 
[IMG]No-tune_Transverter_2304MHz_W8NLC.gif29-Nov-2009 03:37 49K 
[IMG]Noise_Blanker.gif29-Nov-2009 03:37 13K 
[IMG]Noise_Canceling_Electret_Microphones_WB9YBM.gif29-Nov-2009 03:37 27K 
[IMG]Octave_VCO.gif29-Nov-2009 03:37 36K 
[IMG]Overvoltage_Protection.gif29-Nov-2009 03:37 8.5K 
[IMG]PA_2m_10w-in_100W-out.gif29-Nov-2009 03:38 183K 
[IMG]PA_2m_10w-in_180W-out.gif29-Nov-2009 03:38 134K 
[IMG]PA_70cm_10w-in_110W-out.gif29-Nov-2009 03:38 78K 
[IMG]PA_70cm_10w-in_50W-out.gif29-Nov-2009 03:38 115K 
[IMG]Parallel_Mode_X-tal_Oscillator.gif29-Nov-2009 03:38 7.2K 
[IMG]Phase_Detector_Discrete-Components_EK47-RX.gif29-Nov-2009 03:38 61K 
[IMG]Phase_Meter.gif29-Nov-2009 03:38 609K 
[IMG]Phase_Shifter_PIN.gif29-Nov-2009 03:38 9.0K 
[IMG]Phase_Shifters_Topology.gif29-Nov-2009 03:38 26K 
[IMG]PIN_Attenuator_BAR61.gif29-Nov-2009 03:38 11K 
[IMG]PIN_RF_Attenuator_types.gif29-Nov-2009 03:38 25K 
[IMG]PIN_RF_Switch_types.gif29-Nov-2009 03:38 71K 
[IMG]PNP_Short-Wave_RX.gif29-Nov-2009 03:38 40K 
[IMG]Power-Combining_using_Wilkinson_Dividers.gif29-Nov-2009 03:38 14K 
[IMG]Power_Supply_13.8V-10A_N1HFX.gif29-Nov-2009 03:38 14K 
[IMG]Power_Supply_13.8V-40A_OZ2BKK.gif29-Nov-2009 03:38 114K 
[IMG]Power_Supply_13.8V_20A.gif29-Nov-2009 03:38 7.8K 
[IMG]Power_Supply_clean-up_circuit_Wenzel.gif29-Nov-2009 03:38 6.6K 
[IMG]Product_Detector_2xBJT.gif29-Nov-2009 03:38 9.0K 
[IMG]PSK31_TRX_KD1JV.gif29-Nov-2009 03:38 39K 
[IMG]PTT_delay_W3KKC.gif29-Nov-2009 03:38 41K 
[IMG]QRP_SSB_TRX.gif29-Nov-2009 03:39 374K 
[IMG]QRP_Transmitters.gif29-Nov-2009 03:39 73K 
[IMG]QRP_TRX_40m-20m_IK3OIL.gif29-Nov-2009 03:39 52K 
[IMG]QRP_TRX_YD1JJJ.gif29-Nov-2009 03:39 237K 
[IMG]Quarterwave_Coaxial_Baluns.gif29-Nov-2009 03:39 15K 
[IMG]Receive_Loop_Antenna_Preamplifier.gif29-Nov-2009 03:39 24K 
[IMG]Receiver_HF_SSB_CW_Superheterodine.gif29-Nov-2009 03:39 38K 
[IMG]Regenerative_FM_Receiver.gif29-Nov-2009 03:39 20K 
[IMG]Regenerative_Receivers.gif29-Nov-2009 03:39 36K 
[IMG]Return_Loss_Bridge.gif29-Nov-2009 03:39 23K 
[IMG]Return_Loss_bridge_AD8307.gif29-Nov-2009 03:39 33K 
[IMG]RF_Activated_Tone_Monitor.gif29-Nov-2009 03:39 23K 
[IMG]RF_dBu_meter.gif29-Nov-2009 03:39 63K 
[IMG]RF_Power_Calibrator.gif29-Nov-2009 03:39 21K 
[IMG]RF_sensing_TX-RX_switch.gif29-Nov-2009 03:39 24K 
[IMG]RF_Sweeper_VK2ZAY.gif29-Nov-2009 03:39 46K 
[IMG]RX-TX_QuarterWave_PIN_Switch.gif29-Nov-2009 03:39 6.0K 
[IMG]RX_137MHz_F6BQU.gif29-Nov-2009 03:39 218K 
[IMG]RX_144MHz_FM_PU2XJE.gif29-Nov-2009 03:39 38K 
[IMG]RX_80m-20m_OK2UGS.gif29-Nov-2009 03:39 65K 
[IMG]RX_HF-VHF-SSB_Grundig_YB400.gif29-Nov-2009 03:39 262K 
[IMG]RX_VHF_FM.gif29-Nov-2009 03:39 36K 
[IMG]S9_HF_Signal_Generator_Norcal.gif29-Nov-2009 03:39 29K 
[IMG]Satellite_Finder.gif29-Nov-2009 03:39 31K 
[IMG]Series_Mode_Crystal_Oscillator.gif29-Nov-2009 03:39 8.4K 
[IMG]SHF_micro-beacon_F4BAY.gif29-Nov-2009 03:39 18K 
[IMG]Short-Wave_AM_Receiver_KD1JV.gif29-Nov-2009 03:39 13K 
[IMG]Short-Wave_Regenerative_RX_PA2OHH.gif29-Nov-2009 03:39 12K 
[IMG]Short-Wave_Tunable_Preamplifier.gif29-Nov-2009 03:39 8.8K 
[IMG]Short_Range_Wireless_Data_Communication.gif29-Nov-2009 03:40 17K 
[IMG]Shortwave_AM_Receiver.gif29-Nov-2009 03:40 142K 
[IMG]Shortwave_Receiver_AM.gif29-Nov-2009 03:40 32K 
[IMG]Simple_2.4GHz_Signal_Source.gif29-Nov-2009 03:40 42K 
[IMG]Simple_CMOS_Keyer_OH7SV.gif29-Nov-2009 03:40 17K 
[IMG]Simple_TV_Video_mod.gif29-Nov-2009 03:40 20K 
[IMG]Simplest_DCR.gif29-Nov-2009 03:40 15K 
[IMG]Simplest_Shortwave_Receiver.gif29-Nov-2009 03:40 17K 
[IMG]Single-IC_Keyer_W9HFM.gif29-Nov-2009 03:40 39K 
[IMG]Single_Schottky_Diode_Mixer.gif29-Nov-2009 03:40 11K 
[IMG]Speech_Processor.gif29-Nov-2009 03:40 8.2K 
[IMG]Speech_Processor_BJT.gif29-Nov-2009 03:40 218K 
[IMG]SSB_Exciter_KD1JV.gif29-Nov-2009 03:40 179K 
[IMG]Staircase_Frequency_Divider_Wenzel.gif29-Nov-2009 03:40 11K 
[IMG]Stripline_Quadrature_Microwave_Mixer.gif29-Nov-2009 03:40 11K 
[IMG]Super-80_SSB_RX_VK3YE.gif29-Nov-2009 03:40 111K 
[IMG]Super-ClassA_3W_PA.gif29-Nov-2009 03:40 5.0K 
[IMG]Superregenerative_HF_RX.gif29-Nov-2009 03:40 21K 
[IMG]Superregenerative_Receiver_for_Remote_Keyless.gif29-Nov-2009 03:40 37K 
[IMG]Superregenerative_RX_144-432-1296MHz_F9HX.gif29-Nov-2009 03:40 107K 
[IMG]Superregenerative_VHF_RX.gif29-Nov-2009 03:40 21K 
[IMG]Sweeper_for_455kHz_IF.gif29-Nov-2009 03:40 21K 
[IMG]TDR_Circuit_Signals_T.Engdahl.gif29-Nov-2009 03:40 62K 
[IMG]Ten-Tec_1253_Shortwave_Receiver.gif29-Nov-2009 03:40 73K 
[IMG]Third-Overtone_VCXO_with_AGC.gif29-Nov-2009 03:40 18K 
[IMG]Transceiver_QRP_CW_40m_F6BQU.gif29-Nov-2009 03:40 50K 
[IMG]Transceiver_SSB_9MHz-IF.gif29-Nov-2009 03:40 19K 
[IMG]Triple_BFO.gif29-Nov-2009 03:40 34K 
[IMG]True_Linear_RF_Power_Detector.gif29-Nov-2009 03:40 40K 
[IMG]TRX_20m_SSB_Taurus_SP5DDJ.gif29-Nov-2009 03:40 334K 
[IMG]TRX_Aquarius-80m-CW_SP5DDJ.gif29-Nov-2009 03:41 288K 
[IMG]TRX_QRP_20m_SSB.gif29-Nov-2009 03:41 150K 
[IMG]TV_Audio_Video_Transmitter.gif29-Nov-2009 03:41 25K 
[IMG]TV_Modulator.gif29-Nov-2009 03:41 11K 
[IMG]Two_ATV_FM_PLL_Video_Demodulators.gif29-Nov-2009 03:41 76K 
[IMG]Two_stage_regenerative_receiver.gif29-Nov-2009 03:41 35K 
[IMG]TX-RX_RF_Switch_FET.gif29-Nov-2009 03:41 8.0K 
[IMG]TX-RX_RF_Switch_PIN.gif29-Nov-2009 03:41 7.3K 
[IMG]UHF_25W_PA.gif29-Nov-2009 03:41 45K 
[IMG]UHF_2W_ATV_Transmitter.gif29-Nov-2009 03:41 54K 
[IMG]UHF_5W_AM_ATV_Transmitter.gif29-Nov-2009 03:41 107K 
[IMG]UHF_Audio-Video_1W_TX.gif29-Nov-2009 03:41 34K 
[IMG]UHF_Doppler_Motion_Detector.gif29-Nov-2009 03:41 16K 
[IMG]UHF_Movement_Detector.gif29-Nov-2009 03:41 17K 
[IMG]UHF_TV_Preamplifier_25dB_Gain.gif29-Nov-2009 03:41 13K 
[IMG]UHF_VHF_TV_Converter.gif29-Nov-2009 03:41 41K 
[IMG]Varactor_Tripler.gif29-Nov-2009 03:41 11K 
[IMG]Variable_CW_Bandpass_Filter.gif29-Nov-2009 03:41 43K 
[IMG]Variable_CW_Filter_Amplifier.gif29-Nov-2009 03:41 38K 
[IMG]Variable_PIN_attenuator_20dB.gif29-Nov-2009 03:41 20K 
[IMG]Very_Low_Frequency_Converter.gif29-Nov-2009 03:41 60K 
[IMG]Very_Low_PN_Crystal_LO_Wenzel.gif29-Nov-2009 03:41 39K 
[IMG]VFO_Stabilizer_PA0CMU.gif29-Nov-2009 03:41 41K 
[IMG]VHF-UHF_Broadband_100W_Class-AB_PA.gif29-Nov-2009 03:41 127K 
[IMG]VHF-UHF_GaAs_LNA_W3KKC.gif29-Nov-2009 03:41 34K 
[IMG]VHF_150W_MOSFET_PA.gif29-Nov-2009 03:41 47K 
[IMG]VHF_30W_PA.gif29-Nov-2009 03:41 45K 
[IMG]VHF_Beacon.gif29-Nov-2009 03:41 8.4K 
[IMG]VHF_Class-E_PA.gif29-Nov-2009 03:41 12K 
[IMG]VHF_FM_RX_DF1FO.gif29-Nov-2009 03:42 152K 
[IMG]VHF_FM_RX_PY2MG.gif29-Nov-2009 03:42 44K 
[IMG]VHF_FM_Signal_Generator.gif29-Nov-2009 03:42 22K 
[IMG]VHF_OCXO_W6PQL.gif29-Nov-2009 03:42 23K 
[IMG]VHF_Superregenerative_Receiver_VK2ZAY.gif29-Nov-2009 03:42 50K 
[IMG]VHF_Superregenerative_RX.gif29-Nov-2009 03:42 13K 
[IMG]VHF_to_1296MHz_Up-Converter.gif29-Nov-2009 03:42 22K 
[IMG]VHF_TRX_FM_DF5FC.gif29-Nov-2009 03:42 101K 
[IMG]VHF_Wattmeter.gif29-Nov-2009 03:42 42K 
[IMG]Video_Audio_TV_TX.gif29-Nov-2009 03:42 59K 
[IMG]VLF-ULF_Survey_Probe_VK2ZAY.gif29-Nov-2009 03:42 26K 
[IMG]VLF_15W_Transmitter.gif29-Nov-2009 03:42 73K 
[IMG]Voice_Level_Meter.gif29-Nov-2009 03:42 66K 
[IMG]VOX_Circuit.gif29-Nov-2009 03:42 5.6K 
[IMG]VXO_10MHz.gif29-Nov-2009 03:42 15K 
[IMG]VXO_Variable_Crystal_Oscillator.gif29-Nov-2009 03:42 10K 
[IMG]VXOs_Schematics.gif29-Nov-2009 03:42 9.6K 
[IMG]Wideband_pHEMT_LNA_W6PQL.gif29-Nov-2009 03:42 9.0K 
[IMG]Wireless_AM_Microphone.gif29-Nov-2009 03:42 11K 
[IMG]X-tal_VHF_FM_Transmitter.gif29-Nov-2009 03:42 15K 
[IMG]136MHz_Airband_Dual-Conversion_Receiver.gif30-Nov-2009 07:17 274K 
[IMG]27MHz_AM_4W_TX.gif30-Nov-2009 07:17 10K 
[IMG]Active_RF_Isolator.gif30-Nov-2009 07:17 13K 
[IMG]FM-AM_Superregen_RX.gif30-Nov-2009 07:17 99K 
[IMG]Low_Frequency_Active_Isolator-Circulator-Wenzel.gif30-Nov-2009 07:17 27K 
[IMG]VHF_80W_FM_PA.gif30-Nov-2009 07:17 48K 
[IMG]VHF_Superreg_RX_with_Squelch_N1TEV.gif30-Nov-2009 07:17 52K 
[IMG]10MHz_2W_TRX_DJ1ZB.gif01-Dec-2009 16:56 305K 
[IMG]14MHz_1W_VFO_TX_W8PJ.gif01-Dec-2009 16:56 178K 
[IMG]14MHz_Simple_Superhet_RX_W7ZOI.gif01-Dec-2009 16:56 194K 
[IMG]15m_QRP_1.5W_TRX_W9SCH.gif01-Dec-2009 16:56 296K 
[IMG]1MHz-30MHz_Noise-Source_G1HSM.gif01-Dec-2009 16:56 19K 
[IMG]1MHz-30MHz_QRP_RX_KD1JV.gif01-Dec-2009 16:56 507K 
[IMG]20m_1.5V-Power-Supply_TRX_DL2AVH.gif01-Dec-2009 16:56 514K 
[IMG]20m_Superhet_TRX_NN1G.gif01-Dec-2009 16:56 251K 
[IMG]20m_Two-Fer_TRX_WU2J.gif01-Dec-2009 16:56 320K 
[IMG]20m_Two-Superhet_RX_K9AY.gif01-Dec-2009 16:56 265K 
[IMG]2W_Two-Bands_TX_VK3XU.gif01-Dec-2009 16:57 200K 
[IMG]30m_38-Special_Superhet_TRX_AC6AN.gif01-Dec-2009 16:57 192K 
[IMG]40m_1.5W_Rock-Steady_TRX_K8IF.gif01-Dec-2009 16:57 240K 
[IMG]40m_74HC4053_RX_KD1JV.gif01-Dec-2009 16:57 135K 
[IMG]40m_CCS_Superhet_RX_WB0RMT.gif01-Dec-2009 16:57 69K 
[IMG]40m_DB-25_QRP_TRX_WA5JAY.gif01-Dec-2009 16:57 90K 
[IMG]40m_EverReady_TRX_WA6AHL.gif01-Dec-2009 16:57 174K 
[IMG]40m_Forty-9er_TRX_N6KR.gif01-Dec-2009 16:57 192K 
[IMG]40m_Handbook_TRX_WB6TMH.gif01-Dec-2009 16:57 269K 
[IMG]40m_QRP_CW_TX_WB8VGE.gif01-Dec-2009 16:57 200K 
[IMG]40m_QRP_TRX_N4HCJ.gif01-Dec-2009 16:57 146K 
[IMG]40m_QRP_TRX_W3TS.gif01-Dec-2009 16:57 218K 
[IMG]40m_The_QRP_Key_TX_WA8MCQ.gif01-Dec-2009 16:57 64K 
[IMG]40m_Tuna_Twin_Too_RX_KO4WX.gif01-Dec-2009 16:57 141K 
[IMG]5.225MHz-5.575MHz_Franklin_Stable_VFO.gif01-Dec-2009 16:57 64K 
[IMG]7MHz_QRP_VFO_TX_W7ZOI.gif01-Dec-2009 16:58 151K 
[IMG]7MHz_QSK_VFO_NN1G.gif01-Dec-2009 16:58 205K 
[IMG]80m-40m-30m_Superhet_TRX_NN1G.gif01-Dec-2009 16:58 248K 
[IMG]80m_CW-QSK_TRX_NN1G.gif01-Dec-2009 16:58 178K 
[IMG]80m_One_Transistor_CW_TRX_WB3ELL.gif01-Dec-2009 16:58 82K 
[IMG]80m_SMD_TRX_W1CFI.gif01-Dec-2009 16:58 332K 
[IMG]All-Bands_VXO_TX_KN1H.gif01-Dec-2009 16:58 251K 
[IMG]Antenna_Tuner_for_QRP.gif01-Dec-2009 16:58 66K 
[IMG]Capacimeter_2x555_WA8MCQ.gif01-Dec-2009 16:58 58K 
[IMG]Dual-LED_SWR_Indicator_for_QRP.gif01-Dec-2009 16:58 24K 
[IMG]HF_10W_PA_KD1JV.gif01-Dec-2009 16:58 163K 
[IMG]HF_In-line_Return-Loss_Power-Meter_N2PK.gif01-Dec-2009 16:58 260K 
[IMG]HF_QRP_1.5W_TRX_KN1H.gif01-Dec-2009 16:58 168K 
[IMG]HF_The_Phoenix_QRP_TRX_W3TS.gif01-Dec-2009 16:58 112K 
[IMG]High-Pass_Low-Pass_Mic_Preamplifier_N2MNN.gif01-Dec-2009 16:58 51K 
[IMG]Memory_Keyer_AI2T.gif01-Dec-2009 16:59 242K 
[IMG]Passive_Audio_SSB-CW_Filters_W3TS.gif01-Dec-2009 16:59 63K 
[IMG]RIT_for_VFO_TRX.gif01-Dec-2009 16:59 42K 
[IMG]Shortwave_PipSqueak_RX_NA5N.gif01-Dec-2009 16:59 40K 
[IMG]SWR-Bridge_Tuner_Rainbow_N2CX.gif01-Dec-2009 16:59 155K 
[IMG]Voltage_Probe_Antenna_Preamp_VE7BPO.gif01-Dec-2009 16:59 44K 
[IMG]Widerange_VCXO_W7ZOI.gif01-Dec-2009 16:59 71K 
[IMG]1MHz-30MHz_150W_Linear_PA.gif03-Dec-2009 14:48 39K 
[IMG]28MHz_100W_Liinear_PA.gif03-Dec-2009 14:48 40K 
[IMG]30m_QRP_TRX_K8IF.gif03-Dec-2009 14:48 283K 
[IMG]7MHz_200W_Class-E-F_MOSFET_PA_KN6EK.gif03-Dec-2009 14:48 104K 
[IMG]HF_30W_Class-D_Linear_PA_OH2GF.gif03-Dec-2009 14:48 93K 
[IMG]LC_CW_BPF_DC8NR.gif03-Dec-2009 14:48 100K 
[IMG]3MHz-5MHz_Cascade_Regenerative_RX_WD5HOH.gif03-Dec-2009 15:07 118K 
[IMG]1.8MHz_QRP_TRX_G3TXQ.gif14-Dec-2009 11:52 111K 
[IMG]136kHz-to-4.137MHz_TRV_RSGB.gif14-Dec-2009 11:52 42K 
[IMG]1450-1550MHz_45W_LDMOS_PA.gif14-Dec-2009 11:52 67K 
[IMG]1GHz-to-1.3GHz_Signal_Source_G4DDK.gif14-Dec-2009 11:52 53K 
[IMG]28MHz-to-50MHz_TRV_RSGB.gif14-Dec-2009 11:52 108K 
[IMG]2m_Low_Power_CW_Beacon.gif14-Dec-2009 11:52 42K 
[IMG]2xHuff_and_Puff_VFO_Stabilizers_RSGB.gif14-Dec-2009 11:52 19K 
[IMG]3.58MHz_CW_Ladder_Filter_N2DCH.gif14-Dec-2009 11:52 13K 
[IMG]3xSuperregen_RX_RSGB.gif14-Dec-2009 11:52 114K 
[IMG]40-70MHz_3band_Frequency_Stabilizer_DC4KU.gif14-Dec-2009 11:52 139K 
[IMG]40m_MRX-40_RX_K8IDN.gif14-Dec-2009 11:52 119K 
[IMG]80m-160m_TRX_G4ENA.gif14-Dec-2009 11:52 44K 
[IMG]88-108MHz_25mW_FM_TX.gif14-Dec-2009 11:52 118K 
[IMG]90-deg_Phase-Shifter_for_IQ-mod.gif14-Dec-2009 11:52 23K 
[IMG]9MHz_SSB_Mod_Phasing_Method_RSGB.gif14-Dec-2009 11:52 120K 
[IMG]HF_Automatic_Antenna_Attenuator_45dB_RSGB.gif14-Dec-2009 11:52 13K 
[IMG]HF_Solid-State_QRP_PA's_RSGB.gif14-Dec-2009 11:52 61K 
[IMG]High-Dynamic_Range_Preamp_G3SBI.gif14-Dec-2009 11:52 39K 
[IMG]Multiband_HF_DCR_RSGB.gif14-Dec-2009 11:52 65K 
[IMG]Power_Combiner-Divider_RSGB.gif14-Dec-2009 11:52 55K 
[IMG]S-meter_120dB_Dynamic_Range_DC4KU.gif14-Dec-2009 11:52 32K 
[IMG]SSB_Mod_Filter_Method_RSGB.gif14-Dec-2009 11:52 43K 
[IMG]Variable_BW_X-tal_Filter_G3UUR.gif14-Dec-2009 11:52 60K 
[IMG]Spectrum_Analyzer_on_Scope.gif21-Dec-2009 16:12 103K 
[IMG]1.8MHz-54MHz_Preselector_MFJ-1040.gif01-Jan-2010 16:02 58K 
[IMG]88-108MHz_20W_FM_TX.gif01-Jan-2010 16:02 129K 
[IMG]20m_MFJ-9420_5W_SSB-CW_TRX.gif03-Jan-2010 05:41 374K 
[IMG]40m-or-20m_RockMite_CW_TRX_K1SWL.gif15-Jan-2010 17:03 114K 
[IMG]40m_MicroT2_SSB-CW_TX.gif15-Jan-2010 17:03 206K 
[IMG]5MHz_VXO_with_ALC.gif15-Jan-2010 17:03 37K 
[IMG]7MHz_Rock-Bending_DCR_WI5W.gif15-Jan-2010 17:03 104K 
[IMG]Audio_Intelligibility_Enhancer_N4GG.gif15-Jan-2010 17:03 59K 
[IMG]Broadband_Transformers.gif15-Jan-2010 17:03 56K 
[IMG]Dual_Tone_Signal_Generator_VE3FIT.gif15-Jan-2010 17:03 36K 
[IMG]Grid-Dip-Meter_with_Digital_Display.gif15-Jan-2010 17:03 68K 
[IMG]HF_250W_LDMOS_PA.gif15-Jan-2010 17:03 81K 
[IMG]HF_All-Band_CW_MKII_TX.gif15-Jan-2010 17:03 153K 
[IMG]HF_MicroR2_CW-SSB_RX.gif15-Jan-2010 17:03 173K 
[IMG]Marker_Generator_KB1MW.gif15-Jan-2010 17:03 41K 
[IMG]Microwattmeter_W7DB.gif15-Jan-2010 17:03 70K 
[IMG]1.8MHz_TRX_G3TXQ.gif21-Feb-2010 21:59 50K 
[IMG]20m_TRX_G4ENA.gif21-Feb-2010 21:59 83K 
[IMG]21MHz_VCXO_G3MEV.gif21-Feb-2010 21:59 7.0K 
[IMG]50MHZ_16W_MOSFET_PA.gif21-Feb-2010 21:59 11K 
[IMG]Frequency_Multipliers_Types.gif21-Feb-2010 21:59 13K 
[IMG]HF_25W_PIN_Ant_Switch.gif21-Feb-2010 21:59 8.4K 
[IMG]HF_DCR_Polyphase_RX_G0UPL.gif21-Feb-2010 21:59 64K 
[IMG]Prevent_Therm_Runaway_BJT_PA.gif21-Feb-2010 21:59 9.6K 
[IMG]RF_Speech_Clipper_DF4ZS.gif21-Feb-2010 21:59 22K 
[IMG]Temp_comp_circuit_for_X-tal_LO_I6MCF.gif21-Feb-2010 21:59 15K 
[IMG]Variable_Crystal_Resonator_LO_K2BLA.gif21-Feb-2010 21:59 10K 
[IMG]All-Transfer_PIN_Switches.gif12-Apr-2010 02:36 21K 
[IMG]PIN_Diode_Limiter.gif12-Apr-2010 02:36 10K 
[IMG]SPMT_PIN_Switches.gif12-Apr-2010 02:36 22K 
[IMG]108MHz_175W_PA.gif18-Jul-2010 11:26 93K 
[IMG]1W_Audio_PA_with_compressor.gif18-Jul-2010 11:26 99K 
[IMG]500kHz-30MHz_Ant_Tuner.gif18-Jul-2010 11:26 74K 
[IMG]AM_Receiver_PLL-4046.gif18-Jul-2010 11:26 196K 
[IMG]Booster_for_Elektret_Mike.gif18-Jul-2010 11:26 29K 
[IMG]HF_100W_IRF520_PA.gif18-Jul-2010 11:26 64K 
[IMG]Variable_Quartz_Filter.gif18-Jul-2010 11:26 67K 
[IMG]0-30V_3A_Switch-Mode_Power_Supply.gif09-Sep-2010 13:36 234K 
[IMG]100MHz-500MHz_multiplier.gif09-Sep-2010 13:36 29K 
[IMG]1296MHz_Cavity_Tuned_BPF_VK2TDN.gif09-Sep-2010 13:36 30K 
[IMG]432MHz-1296MHz_Varactor_Tripler_VK2TDN.gif09-Sep-2010 13:36 47K 
[IMG]88-108MHz_20W_PA_ON6MU.gif09-Sep-2010 13:36 178K 
[IMG]Guanella_4-1_Current_Balun.gif09-Sep-2010 13:36 223K 
[IMG]Microstrip_Balun.gif09-Sep-2010 13:36 19K 
[IMG]Microstrip_Filter_Comparation.gif09-Sep-2010 13:36 358K 
[IMG]Microstrip_Phase-Shifter_TR-switch.gif09-Sep-2010 13:36 6.3K 
[IMG]MW_Active_Antenna.gif09-Sep-2010 13:36 31K 
[IMG]MW_RX_for_DX.gif09-Sep-2010 13:36 383K 
[IMG]SW_AM_RX_TCA440.gif09-Sep-2010 13:36 13K 
[IMG]1.3GHz_Low_PN_Cavity_Stabilized_VCO.gif13-Sep-2010 09:34 28K 
[IMG]100MHz_Very_Low_PN_VCXO.gif13-Sep-2010 09:34 28K 
[IMG]10m_CW_TRX_G3XBM.gif13-Sep-2010 09:34 16K 
[IMG]10MHz_Very_Low_PN_X-tal_LO.gif13-Sep-2010 09:34 33K 
[IMG]2m_AM_TRX_Fredbox_G3XBM.gif13-Sep-2010 09:34 96K 
[IMG]40MHz-80MHz_Low_PN_VCO.gif13-Sep-2010 09:34 42K 
[IMG]455kHz_PLL_Variable_BFO.gif13-Sep-2010 09:34 44K 
[IMG]6GHz_DRO.gif13-Sep-2010 09:34 24K 
[IMG]72MHz-to-76MHz_VCO_NA5N.gif13-Sep-2010 09:34 121K 
[IMG]MW_SAW_VCO.gif13-Sep-2010 09:34 16K 
[IMG]No-processor_DDS_G3XBM.gif13-Sep-2010 09:34 44K 
[IMG]Optical_SWR_meter.gif13-Sep-2010 09:34 29K 
[IMG]Regenerative_SW_RX_Desert-Rat_NA5N.gif13-Sep-2010 09:34 79K 
[IMG]Simple_MOSFET_PLL.gif13-Sep-2010 09:34 8.5K 
[IMG]Sweep_Generator_NA5N.gif13-Sep-2010 09:34 85K 
[IMG]10kHz-30MHz_Ant_Preamplifier.gif16-Sep-2010 15:33 15K 
[IMG]27MHz_3-BJTs_Walkie_Talkie.gif16-Sep-2010 15:33 114K 
[IMG]27MHz_4-BJTs_Walkie_Talkie.gif16-Sep-2010 15:33 141K 
[IMG]27MHz_AM_6W_TRX.gif16-Sep-2010 15:33 221K 
[IMG]27MHz_Saturn_Walkie_Talkie.gif16-Sep-2010 15:33 273K 
[IMG]50MHz-to-27MHz_TRV_YC3LSB.gif16-Sep-2010 15:33 144K 
[IMG]80m-to-40m_TRV_YC3LSB.gif16-Sep-2010 15:33 61K 
[IMG]80m_8W_Linear_PA_YC3LSB.gif16-Sep-2010 15:33 35K 
[IMG]80m_AM-CW-SSB_RX_YC3LSB.gif16-Sep-2010 15:33 56K 
[IMG]80m_AM-SSB_RX_YC3LSB.gif16-Sep-2010 15:33 51K 
[IMG]80m_QRP_TRX_YC3LSB.gif16-Sep-2010 15:33 182K 
[IMG]80m_SSB_TRX_YC3LSB.gif16-Sep-2010 15:33 133K 
[IMG]Active_Loop_Antenna.gif16-Sep-2010 15:33 18K 
[IMG]DC-100MHz_Active_Circulator-Isolator.gif16-Sep-2010 15:33 12K 
[IMG]HF_Pi_Ant_Tuner_with_SWR-meter.gif16-Sep-2010 15:33 125K 
[IMG]Resistive_Couplers.gif16-Sep-2010 15:33 24K 
[IMG]Simple_Function_Generator.gif16-Sep-2010 15:33 135K 
[IMG]100kHz-30MHz_RF_Probe_with_detecor_monitor.gif24-Sep-2010 12:19 246K 
[IMG]100MHz_Scope_Probe.gif24-Sep-2010 12:19 48K 
[IMG]10Hz-100kHz_Frequency-to-Voltage_Converter.gif24-Sep-2010 12:19 145K 
[IMG]1GHz-8GHz_Cascode_LNA.gif24-Sep-2010 12:19 21K 
[IMG]1kHz-to-999kHz_PLL_Signal_Generator.gif24-Sep-2010 12:19 155K 
[IMG]1kHz-to-9MHz_Sinusoidal_Signal_Generator.gif24-Sep-2010 12:19 77K 
[IMG]1MHz-100MHz_VFO_Stabilizer.gif24-Sep-2010 12:19 237K 
[IMG]1nF-100uF_Capacimeter.gif24-Sep-2010 12:20 184K 
[IMG]2.5MHz_RX_OMA-2500.gif24-Sep-2010 12:20 113K 
[IMG]27MHz-to-SW_Converter.gif24-Sep-2010 12:20 146K 
[IMG]27MHz_4W_PA.gif24-Sep-2010 12:20 12K 
[IMG]2GHz_LNA_with_Tunable_Image_Reject_Filter.gif24-Sep-2010 12:20 16K 
[IMG]2MHz-2GHz_AM_Harmonic_Generator.gif24-Sep-2010 12:20 125K 
[IMG]3MHz_to_8MHz_VCO.gif24-Sep-2010 12:20 9.2K 
[IMG]4.43MHz_SSB_Filter.gif24-Sep-2010 12:20 185K 
[IMG]40m_3xFET_DCR.gif24-Sep-2010 12:20 24K 
[IMG]40MHz-800MHz_CATV_LNA.gif24-Sep-2010 12:20 67K 
[IMG]74dB_Gain_with_LM386_JF1OZL.gif24-Sep-2010 12:20 8.4K 
[IMG]7GHz_LNA.gif24-Sep-2010 12:20 22K 
[IMG]80m_Fox_Beacon.gif24-Sep-2010 12:20 89K 
[IMG]9MHz-to-1.3GHz_Harmonics_Generator.gif24-Sep-2010 12:20 271K 
[IMG]Active_Audio_BPF_1kHz-BW.gif24-Sep-2010 12:20 129K 
[IMG]AM_Air-Band_to_SW_RX_Converter.gif24-Sep-2010 12:20 159K 
[IMG]Audio_Squelch_Circuit.gif24-Sep-2010 12:20 57K 
[IMG]CATV_Line-out_Amplifier.gif24-Sep-2010 12:20 63K 
[IMG]FM_RX_with_auto-scan.gif24-Sep-2010 12:20 9.8K 
[IMG]FSK_Modulator_CMOS.gif24-Sep-2010 12:20 109K 
[IMG]Gunn_Diode_Oscillators.gif24-Sep-2010 12:20 22K 
[IMG]High-Dynamic-Range_Audio_Compressor.gif24-Sep-2010 12:20 57K 
[IMG]High_Stability_Time_Base_Oscillator.gif24-Sep-2010 12:20 56K 
[IMG]L-C_meter_multirange.gif24-Sep-2010 12:21 318K 
[IMG]Low_Distortion_CW_Filter.gif24-Sep-2010 12:21 189K 
[IMG]N-way_Wilkinson_Splitter.gif24-Sep-2010 12:21 32K 
[IMG]Narrowband_Coupler_from_Wilkinson_Divider.gif24-Sep-2010 12:21 4.8K 
[IMG]SSB_Audio_Filter.gif24-Sep-2010 12:21 139K 
[IMG]T-R_switch_lumped_TL.gif24-Sep-2010 12:21 8.5K 
[IMG]VHF_Active_Antenna.gif24-Sep-2010 12:21 89K 
[IMG]1.8MHz-30MHz_10W_IRF510_PA.gif06-Oct-2010 13:30 64K 
[IMG]1.8MHz-30MHz_10W_MOSFET_PA.gif06-Oct-2010 13:30 30K 
[IMG]2.4GHz_0.5W_GaAs_PA.gif06-Oct-2010 13:30 20K 
[IMG]2.4GHz_Microstrip_Harmonic_Mixer.gif06-Oct-2010 13:30 6.3K 
[IMG]220MHz-400MHz_Air-band_Scanner.gif06-Oct-2010 13:30 8.8K 
[IMG]40m_Mizuho-DC7d_CW_TRX.gif06-Oct-2010 13:30 146K 
[IMG]40m_Mizuho-DC7x_CW_TRX.gif06-Oct-2010 13:30 199K 
[IMG]432MHz_125W_DMOS_Push-Pull_PA.gif06-Oct-2010 13:30 54K 
[IMG]432MHz_40W_DMOS_Push-Pull_PA.gif06-Oct-2010 13:30 42K 
[IMG]47GHz_to_94GHz_Frequency_Doubler.gif06-Oct-2010 13:30 37K 
[IMG]500MHz_15W_DMOSFET_PA.gif06-Oct-2010 13:30 27K 
[IMG]80m_TRX_MKARS_G6ALU.gif06-Oct-2010 13:31 317K 
[IMG]88MHz-108MHz_Notch_Filter.gif06-Oct-2010 13:31 14K 
[IMG]Broadband_J-FET_Amplifier.gif06-Oct-2010 13:31 9.9K 
[IMG]HF_Regen_RX_with_Dual-Gate_MOSFET.gif06-Oct-2010 13:31 9.7K 
[IMG]Line_Synchronus_Noise_Blanker_KA7OEI.gif06-Oct-2010 13:31 66K 
[IMG]Notch-Filter_using_Coax_Cable.gif06-Oct-2010 13:31 12K 
[IMG]Simple_FM_RX_with_Audio_Amplifier.gif06-Oct-2010 13:31 13K 
[IMG]VHF_150W_DMOS_PA.gif06-Oct-2010 13:31 38K 
[IMG]VHF_300W_DMOS_Push-Pull_PA.gif06-Oct-2010 13:31 52K 
[IMG]WARC_VFO_G3TSO.gif06-Oct-2010 13:31 107K 
[IMG]Wilkinson_Divider_Versions.gif06-Oct-2010 13:31 34K 
[IMG]133.6MHz_VXO.gif28-Oct-2010 08:41 146K 
[IMG]144MHz_MOS-FET_Equiv_LNA_RSGB.gif28-Oct-2010 08:41 29K 
[IMG]14MHz_100W_2SK413_PA_RSGB.gif28-Oct-2010 08:41 28K 
[IMG]15m_HiMite_TRX_K1SWL.gif28-Oct-2010 08:42 150K 
[IMG]20m_DCR_Active_Filter.gif28-Oct-2010 08:42 50K 
[IMG]40MHz_Overtone_LO_PA0WSP.gif28-Oct-2010 08:42 70K 
[IMG]44.4-45.1MHz_PLL_VFO_PA0KSB.gif28-Oct-2010 08:42 347K 
[IMG]455kHz_SSB_Generator.gif28-Oct-2010 08:42 35K 
[IMG]6m-2m_FM_RX.gif28-Oct-2010 08:42 36K 
[IMG]80m-40m_DCR_RX.gif28-Oct-2010 08:42 17K 
[IMG]80m_one-stage-IF_superhet_RX.gif28-Oct-2010 08:42 202K 
[IMG]Active_Aircraft_AM_RX.gif28-Oct-2010 08:42 51K 
[IMG]Active_Noise_Canceling_Headphones.gif28-Oct-2010 08:42 56K 
[IMG]FET-BJT_Cascode_LNA.gif28-Oct-2010 08:42 9.5K 
[IMG]FM_Broadcast_Superhet_RX.gif28-Oct-2010 08:42 28K 
[IMG]High_IP3_HF_LNA_RSGB.gif28-Oct-2010 08:42 12K 
[IMG]Interference_Canceling_Circuit_VK5BR.gif28-Oct-2010 08:42 37K 
[IMG]Lighting_Storm_Monitor.gif28-Oct-2010 08:42 49K 
[IMG]No-Tune_Overtone_XO_I4BER.gif28-Oct-2010 08:42 77K 
[IMG]Public-service_FM_RX.gif28-Oct-2010 08:42 40K 
[IMG]Short-Wave_superhet_Receiver.gif28-Oct-2010 08:42 33K 
[IMG]Sudden_Ionospheric_Disturbance_Receiver.gif28-Oct-2010 08:42 25K 
[IMG]VFO_Stabilizer_PA0KSB.gif28-Oct-2010 08:42 274K 
[IMG]VLF_Whistler_RX.gif28-Oct-2010 08:42 41K 
[IMG]AGC_in_Audio_RSGB.gif28-Oct-2010 08:47 8.3K 
[IMG]VHF_LC-resonance_indicator.gif28-Oct-2010 12:37 50K 
[IMG]144MHz_BFPxxx_LNA_YU1AW.gif02-Nov-2010 13:57 43K 
[IMG]144MHz_Dual-Gate_LNA_YU1AW.gif02-Nov-2010 13:57 53K 
[IMG]432MHz_Dual-Gate_LNA_YU1AW.gif02-Nov-2010 13:57 46K 
[IMG]50MHz_BFPxxx_LNA_YU1AW.gif02-Nov-2010 13:57 51K 
[IMG]70MHz_BFPxxx_LNA_YU1AW.gif02-Nov-2010 13:58 50K 
[IMG]10MHz_Overtone_XO.gif14-Nov-2010 13:58 15K 
[IMG]144MHz_FM_TRX_JG1EAD.gif14-Nov-2010 13:58 81K 
[IMG]144MHz_SSB_TRX_JG1EAD.gif14-Nov-2010 13:58 108K 
[IMG]40m_SSB_TRX_JG1EAD.gif14-Nov-2010 13:58 93K 
[IMG]430MHz_AM_TRX_JG1EAD.gif14-Nov-2010 13:58 69K 
[IMG]50MHz_AM_TRX_JG1EAD.gif14-Nov-2010 13:58 94K 
[IMG]5th_Overtone_X-tal_Wenzel.gif14-Nov-2010 13:58 16K 
[IMG]AM_Broadcast_mini-TX.gif14-Nov-2010 13:58 49K 
[IMG]Cascode_Amplifiers_JG1EAD.gif14-Nov-2010 13:58 22K 
[IMG]DBM_BJT_JG1EAD.gif14-Nov-2010 13:58 13K 
[IMG]Sine-to-Square_Wave_BJT_Converter_Wenzel.gif14-Nov-2010 13:58 3.8K 
[IMG]SSB_Generator_JG1EAD.gif14-Nov-2010 13:58 62K 
[IMG]SSB_Mod-Demod_JG1EAD.gif14-Nov-2010 13:58 23K 
[IMG]I-Q_Phasing_Modulator.gif16-Nov-2010 05:41 79K 
[IMG]Microstrip_Bends.gif16-Nov-2010 05:41 30K 
[IMG]Microstrip_Coupler_Splitter_Balun.gif16-Nov-2010 05:41 43K 
[IMG]Microstrip_Discontinuities_and_Applications.gif16-Nov-2010 05:41 25K 
[IMG]Microstrip_T-Junctions.gif16-Nov-2010 05:41 16K 
[IMG]Tayloe_I-Q_Detector_W6JL.gif16-Nov-2010 05:41 120K 
[IMG]Waveguide_Transistions.gif16-Nov-2010 05:41 31K 
[IMG]Lumped_to_Distributed_Conversion.gif08-Dec-2010 12:27 98K 
[IMG]Micro-TO_CW_Keyer_K8CU.gif08-Dec-2010 12:27 49K 
[IMG]Single-Signal_DCR_KK7B.gif08-Dec-2010 12:27 180K 
[IMG]11.3GHz_14.3GHz_MESFET_VCO.gif20-Dec-2010 13:43 13K 
[IMG]1kHz-12GHz_Wideband_LNA.gif20-Dec-2010 13:43 27K 
[IMG]325MHz_600MHz_Balanced_MOS_VCO.gif20-Dec-2010 13:43 23K 
[IMG]5.6GHz_Low_Phase_Noise_MESFET_LO.gif20-Dec-2010 13:43 13K 
[IMG]580MHz_2.2GHz_VCO_Combline_BPF.gif20-Dec-2010 13:43 34K 
[IMG]7-digits_Frequency_Counter_VU2IYI.gif20-Dec-2010 13:43 108K 
[IMG]7MHz_AM-SSB-CW_RX_VU3NSH.gif20-Dec-2010 13:43 104K 
[IMG]Accurate_Capacitance_Meter_with_PLL.gif20-Dec-2010 13:44 86K 
[IMG]14MHz_SSB-CW_QRP_TRX_W7ZOI.gif01-Jan-2011 10:19 199K 
[IMG]1MHz-500MHz_Multimode_Phasing_Exciter_KK7B.gif01-Jan-2011 10:19 65K 
[IMG]5.6MHz-6MHz_PLL-VFO_YB3DD.gif01-Jan-2011 10:19 62K 
[IMG]AGC_PIN-diode_IF-stage.gif01-Jan-2011 10:19 24K 
[IMG]Fourth-order_Elliptic_SSB_LPF.gif01-Jan-2011 10:19 14K 
[IMG]HF-VHF-UHF_IQ_SDR_RX_AR1-1_YU1LM.gif01-Jan-2011 10:19 85K 
[IMG]HF_IQ_SDR_RX_DR2_YU1LM.gif01-Jan-2011 10:19 76K 
[IMG]In-Phase_and_180deg_TL_Combiners.gif01-Jan-2011 10:19 73K 
[IMG]Low_Phase_Noise_X-tal_LO.gif01-Jan-2011 10:19 10K 
[IMG]Low_Phase_Noise_X-tal_LO_ALC.gif01-Jan-2011 10:19 20K 
[IMG]Switched-Cap_Variable_Audio_LPF.gif01-Jan-2011 10:19 29K 
[IMG]Three-Band_VFO.gif01-Jan-2011 14:52 63K 
[IMG]VFO_Temperature_Controller.gif01-Jan-2011 14:52 26K 
[IMG]0.1MHz-30MHz_AM-SSB_RX_4Z5KY.gif03-Jan-2011 16:33 131K 
[IMG]20m_QRP_SSB_TRX_KD1JV.gif03-Jan-2011 16:33 352K 
[IMG]HF_150W_MOS-IRF510_PA_UA1ZH.gif03-Jan-2011 16:33 485K 
[IMG]144MHz-TRX_PLL_WA4DSY.gif07-Jan-2011 14:04 411K 
[IMG]15m_SSB_TRX_WA4ZXF.gif07-Jan-2011 14:04 879K 
[IMG]2.32GHz_0.7W_Beacon_LA3UHH.gif07-Jan-2011 14:04 26K 
[IMG]80m_DCR_TRX_DK7JD.gif07-Jan-2011 14:04 560K 
[IMG]HF_DCR_YU1LM.gif07-Jan-2011 14:04 141K 
[IMG]Ultra_Simple_CRT_Oscilloscope.gif07-Jan-2011 14:04 16K 
[IMG]Variable_Bandwidth_X-tal_Filter_LA7MI.gif07-Jan-2011 14:04 43K 
[IMG]Weaver_IQ_Mod-Demod_DK7JD.gif07-Jan-2011 14:04 102K 
[IMG]120MHz-180MHz_Class-E_PA.gif08-Jan-2011 05:09 9.1K 
[IMG]136MHz_Airband_AM_Dual-Conv_RX.gif08-Jan-2011 05:09 96K 
[IMG]144MHz-to-10.7MHz_Downconverter.gif08-Jan-2011 05:10 85K 
[IMG]144MHz-to-10.7MHz_VFO_Converter.gif08-Jan-2011 05:10 30K 
[IMG]144MHz-to-432MHz_Varactor_Tripler.gif08-Jan-2011 05:10 9.5K 
[IMG]144MHz-to-6MHz_Converter.gif08-Jan-2011 05:10 51K 
[IMG]144MHz_Super-Regenerative_Receiver.gif08-Jan-2011 05:10 55K 
[IMG]225MHz_400MHz_20W_LDMOS_PA.gif08-Jan-2011 05:10 7.2K 
[IMG]480MHz-520MHz_Class-E_PA.gif08-Jan-2011 05:10 4.6K 
[IMG]500MHz_Class-F_Power_Amplifier.gif08-Jan-2011 05:10 17K 
[IMG]IF_Amplifier_Auto-AGC.gif08-Jan-2011 05:10 14K 
[IMG]Two_uStrip_Varactor_Triplers.gif08-Jan-2011 05:10 22K 
[IMG]1.2GHz_10W_2nd_Harm_Resonat_PA.gif09-Jan-2011 10:35 9.3K 
[IMG]1.78GHz_10W_LDMOS_PA.gif09-Jan-2011 10:35 9.0K 
[IMG]14MHz_100W_HEXFET_Class-E_PA.gif09-Jan-2011 10:36 8.7K 
[IMG]1695MHz-1750MHz_Coaxial-Resonator_VCO.gif09-Jan-2011 10:36 26K 
[IMG]455kHz_X-tal_LO.gif09-Jan-2011 10:36 7.4K 
[IMG]855MHz-890MHz_Coaxial-Resonator_VCO.gif09-Jan-2011 10:36 28K 
[IMG]AM_Squelch_Circuit.gif09-Jan-2011 10:36 21K 
[IMG]Current-switching_Class-D_LDMOS_PA.gif09-Jan-2011 10:36 19K 
[IMG]Discrete_Phase-Frequency_Detector_and_LPF.gif09-Jan-2011 10:36 13K 
[IMG]Double-Balanced_JFET_Mixer.gif09-Jan-2011 10:36 15K 
[IMG]HF_Butterworth_BPF_IK4AUY.gif09-Jan-2011 10:36 74K 
[IMG]HF_Front-End_LPF-HPF_IK4AUY.gif09-Jan-2011 10:36 25K 
[IMG]High_Short-Term_Stability_X-tal_LO.gif09-Jan-2011 10:36 9.6K 
[IMG]Mixer_Quadrature_Termination.gif09-Jan-2011 10:36 13K 
[IMG]Noise_Blanker_Timer.gif09-Jan-2011 10:36 24K 
[IMG]Precision_Two-tone_RF_Gen_for_IMD_Test_KI6QP.gif09-Jan-2011 10:36 62K 
[IMG]Push-Pull_Dual-Gate_MOSFET_Balanced_Mixer.gif09-Jan-2011 10:36 17K 
[IMG]Push-Pull_HF_Active_Antenna_DJ2LR.gif09-Jan-2011 10:36 39K 
[IMG]Quad-FET_Switching_Mixer.gif09-Jan-2011 10:36 9.7K 
[IMG]Very_Low_Noise-Jitter_Phase_Detector.gif09-Jan-2011 10:36 18K 
[IMG]12GHz_GaAs-FET_Mixer.gif12-Jan-2011 09:59 51K 
[IMG]2.4GHz_GaAs-FET_Mixer.gif12-Jan-2011 09:59 29K 
[IMG]23MHz_VXO_W6JFR.gif12-Jan-2011 09:59 35K 
[IMG]40m_QRP_KN-Q7_TRX_ZL2PD.gif12-Jan-2011 09:59 102K 
[IMG]7MHz_DCR_EA1RCT.gif12-Jan-2011 09:59 17K 
[IMG]80m_ROSE-80_CW_TRX_N1HFX.gif12-Jan-2011 09:59 110K 
[IMG]Microwave_GaAs-FET_Drain_Pumped_Mixer.gif12-Jan-2011 09:59 22K 
[IMG]Reverse_AGC_Circuit_W6JFR.gif12-Jan-2011 09:59 51K 
[IMG]0.1-35MHz_PLL_DH1AAD.gif16-Jan-2011 17:21 60K 
[IMG]144MHz-to-50MHz_TRV_DG0ZB.gif16-Jan-2011 17:21 52K 
[IMG]144MHz_DSB_TRX_JH5TBS.gif16-Jan-2011 17:21 163K 
[IMG]1MHz-step_Harmonic_Marker_Generator.gif16-Jan-2011 17:21 69K 
[IMG]2.4GHz_Test_Generator_DK1KQ.gif16-Jan-2011 17:21 39K 
[IMG]20m_PSK-20_TRX_DL2FI.gif16-Jan-2011 17:21 81K 
[IMG]27MHz_QRP_AM_TX.gif16-Jan-2011 17:21 21K 
[IMG]40m_CW_RX_DK6SX.gif16-Jan-2011 17:21 113K 
[IMG]432MHz-28MHz_TRV_DJ8ES.gif16-Jan-2011 17:21 94K 
[IMG]50MHz_40W_MOSFET_PA_DJ9FG.gif16-Jan-2011 17:21 66K 
[IMG]50MHz_Converter_JR1PWZ.gif16-Jan-2011 17:21 41K 
[IMG]50MHz_Mini-TRX_JK1OLP.gif16-Jan-2011 17:21 103K 
[IMG]88MHz-108MHz_FM-band_LNA.gif16-Jan-2011 17:21 23K 
[IMG]9MHz_Ladder_Crystal_Filter.gif16-Jan-2011 17:21 19K 
[IMG]9MHz_SSB_Mod-Demod_DC4KU.gif16-Jan-2011 17:21 56K 
[IMG]Multiband_RX_Converter_DL2JSH.gif16-Jan-2011 17:21 119K 
[IMG]Quartz_Tester.gif16-Jan-2011 17:21 12K 
[IMG]1.8-30MHz_250W_IRF820_PA_DK6AE.gif18-Jan-2011 14:20 32K 
[IMG]10Hz_to_100kHz_Sinus-Rect_Generator_OE1MSA.gif18-Jan-2011 14:20 135K 
[IMG]12.5GHz_Decimal_Divider_DG0VE.gif18-Jan-2011 14:20 33K 
[IMG]137MHz-141MHz_RX_OK2UGS.gif18-Jan-2011 14:20 109K 
[IMG]144MHz_3ch_FM_RX_DJ9HH.gif18-Jan-2011 14:20 45K 
[IMG]2.4GHz_2W_PA_DG0OPK.gif18-Jan-2011 14:20 71K 
[IMG]2m_TRX_Front-End_DF5SL.gif18-Jan-2011 14:20 46K 
[IMG]40m_CW_SPATZ_TRX_DK1HE.gif18-Jan-2011 14:20 67K 
[IMG]500MHz_Prescaler_11C90.gif18-Jan-2011 14:20 22K 
[IMG]7MHz_DCR_DG2XK.gif18-Jan-2011 14:20 66K 
[IMG]80m_PSK31_RX_DM2CQL.gif18-Jan-2011 14:20 51K 
[IMG]Digital_Drift_Compensation_for_VFO.gif18-Jan-2011 14:20 71K 
[IMG]FM_RX_with_PLL_DH1AAD.gif18-Jan-2011 14:20 61K 
[IMG]HF_DCR_for_SoftwareRadio_DK3WX.gif18-Jan-2011 14:20 51K 
[IMG]One_X-tal_CW-SSB_Filter_DL7HG.gif18-Jan-2011 14:20 30K 
[IMG]Simple_FM_Sender_MAX2606.gif18-Jan-2011 14:20 21K 
[IMG]Two-Tone_IMD_Test_X-tal_LOs.gif18-Jan-2011 14:20 38K 
[IMG]Variable_600Hz-1kHz_X-tal_Filter_DL2TM.gif18-Jan-2011 14:20 35K 
[IMG]Very_Simple_Two-IC_DCR.gif18-Jan-2011 14:20 11K 
[IMG]VFO_Stabilizer_DL1BT.gif18-Jan-2011 14:20 36K 
[IMG]Voice_5band_Equalizer.gif18-Jan-2011 14:20 27K 
[IMG]Weather_Satellite_Converter.gif18-Jan-2011 14:20 34K 
[IMG]10.95-11.7GHz_LNA-Downconverter_YU3UMV.gif19-Jan-2011 17:01 244K 
[IMG]1200GHz_LO_DG4RBF.gif19-Jan-2011 17:01 48K 
[IMG]144MHz_FM_TRX_DG0ZB.gif19-Jan-2011 17:01 77K 
[IMG]150MHz-300MHz_VCO_DB1NV.gif19-Jan-2011 17:01 20K 
[IMG]160m-10m_Z-match_for_Dipole_Ant_DJ5RE.gif19-Jan-2011 17:01 51K 
[IMG]1GHz-1.5GHz_VCO_DB1NV.gif19-Jan-2011 17:01 40K 
[IMG]1GHz-1.6GHz_VCO_DB1NV.gif19-Jan-2011 17:01 29K 
[IMG]20m_3W_TRX_S54S.gif19-Jan-2011 17:01 349K 
[IMG]432MHz_Handheld_TRX_DB1NV.gif19-Jan-2011 17:01 405K 
[IMG]4MHz_Active_Crystal_Filter_DJ1RL.gif19-Jan-2011 17:01 51K 
[IMG]50MHz_SSB-CW_TRX_S54S.gif19-Jan-2011 17:01 513K 
[IMG]80m_QRP_CW-SSB_TRX_S54S.gif19-Jan-2011 17:01 466K 
[IMG]80m_QRP_SSB_TRX_SP5AHT.gif19-Jan-2011 17:01 58K 
[IMG]80m_Unconventional_RX_DL1XR.gif19-Jan-2011 17:01 34K 
[IMG]80MHz-1000MHz_LO_DB1NV.gif19-Jan-2011 17:02 226K 
[IMG]Antenna_Analyzer_DK7NT.gif19-Jan-2011 17:02 193K 
[IMG]Binaurale_Mixer_DL7MAJ.gif19-Jan-2011 17:02 58K 
[IMG]CW_Filter_DL7HG.gif19-Jan-2011 17:02 18K 
[IMG]Diplexer_IF-amp_OE3HKL.gif19-Jan-2011 17:02 29K 
[IMG]DRM_RX_DL5CM.gif19-Jan-2011 17:02 46K 
[IMG]DRM_RX_DM2CWG.gif19-Jan-2011 17:02 59K 
[IMG]HF_Antenna_Analyzer_DL2RRN.gif19-Jan-2011 17:02 62K 
[IMG]HF_Mini-TRX_Jedrek.gif19-Jan-2011 17:02 263K 
[IMG]HF_TRX_SW_RX_DK1HE_DL2FI.gif19-Jan-2011 17:02 105K 
[IMG]RX_FM-SSB_TA7358.gif19-Jan-2011 17:02 31K 
[IMG]S-meter_120dB_9MHz-IF_DC4KU.gif19-Jan-2011 17:02 45K 
[IMG]S-meter_90dB_0-500MHz_DC4KU.gif19-Jan-2011 17:02 29K 
[IMG]Various_Ladder_Crystal_Filters_S54S.gif19-Jan-2011 17:02 182K 
[IMG]Wideband_FM_Demodulator_DC2CS.gif19-Jan-2011 17:02 100K 
[IMG]Wobbulator_1Hz_40MHz_DC2MR.gif19-Jan-2011 17:02 91K 
[IMG]0.1-32MHz_Superhet-IQ_RX_DL7LA.gif22-Jan-2011 15:18 31K 
[IMG]1.3GHz_LNA.gif22-Jan-2011 15:18 7.6K 
[IMG]1.8MHz-54MHz_400W_MOSFET_PA_OE2KHM.gif22-Jan-2011 15:19 29K 
[IMG]1.8MHz-54MHz_6W_PA_DL2EWN.gif22-Jan-2011 15:19 39K 
[IMG]144MHz-432MHz_LNA_DH7FB.gif22-Jan-2011 15:19 23K 
[IMG]144MHz_Fox-Hunt_RX_DF1FO.gif22-Jan-2011 15:19 136K 
[IMG]144MHz_Fox-Hunt_TX.gif22-Jan-2011 15:19 101K 
[IMG]1MHz-30MHz_Gen_for_Ant-Analyzer_DJ8ES.gif22-Jan-2011 15:19 53K 
[IMG]1MHz-42MHz_SuperDipmeter_DK1HE-DL2FI.gif22-Jan-2011 15:19 70K 
[IMG]23cm_FM_ATV_TX_DL1SNG.gif22-Jan-2011 15:19 58K 
[IMG]40m-20m_Superhet-DC_RX_DL1DH.gif22-Jan-2011 15:19 33K 
[IMG]432MHz-to-144MHz_TRV_DF5SL.gif22-Jan-2011 15:19 73K 
[IMG]50MHz_SDR_DM2CQL.gif22-Jan-2011 15:19 54K 
[IMG]69MHz-5.5MHz_Converter_DG0ZB.gif22-Jan-2011 15:19 24K 
[IMG]70-50MHz_to_28MHz_RX_Converter_DL7HG.gif22-Jan-2011 15:19 44K 
[IMG]7MHz_JUMA-RX1_DL1DMW.gif22-Jan-2011 15:19 38K 
[IMG]7MHz_Multi-Q_Preselector_DK2AG.gif22-Jan-2011 15:19 13K 
[IMG]80m-40m_SDR_DM2CQL.gif22-Jan-2011 15:19 55K 
[IMG]80m-49m-40m_SDR_DL7LA.gif22-Jan-2011 15:19 35K 
[IMG]80m_SSB_RX_DL1DH.gif22-Jan-2011 15:19 20K 
[IMG]AD835_Mixers_DL7VFS.gif22-Jan-2011 15:19 29K 
[IMG]DBM_Switching_High-Speed_CMOS_Mixer_DL7VFS.gif22-Jan-2011 15:19 22K 
[IMG]DBM_Switching_Mixer_DL7VFS.gif22-Jan-2011 15:19 47K 
[IMG]Dual-Band_Up-Converter_DL7VFS.gif22-Jan-2011 15:19 25K 
[IMG]HF-VHF_RF_Level_Meter_with_Monitor_DL9AH.gif22-Jan-2011 15:19 40K 
[IMG]HF_Superhet_RX_DL1DH.gif22-Jan-2011 15:19 29K 
[IMG]High-IP3_Differential_LNA_DL7VFS.gif22-Jan-2011 15:19 19K 
[IMG]High-IP3_Dual-AD835_Mixer_DL7VFS.gif22-Jan-2011 15:19 15K 
[IMG]High-IP3_Mixer_with_DG611_DL7VFS.gif22-Jan-2011 15:19 53K 
[IMG]IQ_TRX_AD831_DL7IY.gif22-Jan-2011 15:19 71K 
[IMG]LW_Preselector_DL6UU.gif22-Jan-2011 15:19 26K 
[IMG]Mixer_for_SDR_74HC4053.gif22-Jan-2011 15:19 19K 
[IMG]MW_RX_DL1XR.gif22-Jan-2011 15:19 23K 
[IMG]SDR_SoftRock_KB9YIG.gif22-Jan-2011 15:20 120K 
[IMG]Switching_Mixer_with_MAX4544_DL7VFS.gif22-Jan-2011 15:20 17K 
[IMG]VFO_Stabilizer_DK3SP.gif22-Jan-2011 15:20 133K 
[IMG]10kHz-step_PLL_for_2m_TRX_DK1OF.gif31-Jan-2011 06:10 206K 
[IMG]1296MHz_LNA_DJ1EE.gif31-Jan-2011 06:10 63K 
[IMG]1296MHz_to-144MHz_RX_Converter_DL9JU.gif31-Jan-2011 06:10 75K 
[IMG]144.3MHz_High_Selective_Converter_DL1LS.gif31-Jan-2011 06:10 147K 
[IMG]144MHz-432MHz_Upconverter_DL6MH.gif31-Jan-2011 06:10 220K 
[IMG]144MHz_1W_Power_Oscillator.gif31-Jan-2011 06:10 41K 
[IMG]144MHz_AM_RX_DC9MD.gif31-Jan-2011 06:10 214K 
[IMG]144MHz_CW-AM-FM_QRP_TX_DJ8PG.gif31-Jan-2011 06:11 105K 
[IMG]144MHz_Dual-FET_Mixer_DL6ZZ.gif31-Jan-2011 06:11 54K 
[IMG]144MHz_FM-AM_TX_DL3WR.gif31-Jan-2011 06:11 257K 
[IMG]144MHz_SSB-FM_TRX_DC6HL.gif31-Jan-2011 06:11 816K 
[IMG]144MHz_to_14MHz_RX_Converter_DL6HA.gif31-Jan-2011 06:11 118K 
[IMG]144MHz_TX_DC9MD.gif31-Jan-2011 06:11 111K 
[IMG]14MHz-to-144MHz_Up-conv_DL6HA.gif31-Jan-2011 06:11 82K 
[IMG]14MHz-to-9MHz_Tuned_TRV_DL6HA.gif31-Jan-2011 06:11 163K 
[IMG]1W_Audio_PA_LPF.gif31-Jan-2011 06:11 54K 
[IMG]22.5MHz-135MHz_Freq_Multiplier_DK1OF.gif31-Jan-2011 06:11 99K 
[IMG]2304MHz_144MHz_Converter_DJ1EE.gif31-Jan-2011 06:11 195K 
[IMG]432MHz_15W_PA_DJ1EE.gif31-Jan-2011 06:12 160K 
[IMG]48MHz_VFO_Freq-Doub_DJ3MY.gif31-Jan-2011 06:12 165K 
[IMG]5.5MHz-6MHz_VCO_with_Divider_DK1OF.gif31-Jan-2011 06:12 85K 
[IMG]5MHz-to-6MHz_VFO_DL6HA.gif31-Jan-2011 06:12 45K 
[IMG]72MHz_NBFM_Modulator_OE6TH.gif31-Jan-2011 06:12 46K 
[IMG]80m_Fox-Hunt_SSB_RX.gif31-Jan-2011 06:12 119K 
[IMG]90MHz-to-2160MHz_Multiplier_DJ1EE.gif31-Jan-2011 06:12 79K 
[IMG]9MHz_455kHz_IF_DC6HCL.gif31-Jan-2011 06:12 156K 
[IMG]9MHz_SSB_TRX_IF_DL6HA.gif31-Jan-2011 06:12 268K 
[IMG]ATV_AM_Demodulator_DJ4LB.gif31-Jan-2011 06:12 44K 
[IMG]ATV_Video_Mod-TX_DJ4LB.gif31-Jan-2011 06:12 265K 
[IMG]Audio_Limiter_DJ4BG.gif31-Jan-2011 06:12 26K 
[IMG]BJT_Phase_Comparator_DK1OF.gif31-Jan-2011 06:12 113K 
[IMG]Calibration_Spectrum_Generator_DL3XW.gif31-Jan-2011 06:12 82K 
[IMG]FM_Demod_Discrim_3kHz_LPF_DJ4BG.gif31-Jan-2011 06:12 102K 
[IMG]Ge_BJT_Audio_PA.gif31-Jan-2011 06:12 47K 
[IMG]One_BJT_Audio_LPF.gif31-Jan-2011 06:12 22K 
[IMG]PLL_for_2m_TRX_DK1OF.gif31-Jan-2011 06:12 356K 
[IMG]Simple_Audio_Sinus_Generator.gif31-Jan-2011 06:13 44K 
[IMG]Simple_VHF-to-HF_Converter.gif31-Jan-2011 06:13 52K 
[IMG]VFX_24MHz-24.3MHz_DL3WR.gif31-Jan-2011 06:13 132K 
[IMG]Wideband_Ring_Mixer_DL3WR.gif31-Jan-2011 06:13 64K 
[IMG]432MHz-144MHz_RX_Converter_DL9FX.gif31-Jan-2011 06:25 122K 
[IMG]1.3GHz_2.4GHz_3.4GHz_BPF_DL3NQ.gif05-Feb-2011 14:40 186K 
[IMG]1080MHz_2160MHz_Freq_Doubler_DC3QS.gif05-Feb-2011 14:40 69K 
[IMG]10GHz_Tuned_Gunn_Preamp_Ant_G3RPE.gif05-Feb-2011 14:40 112K 
[IMG]10GHz_Untuned_Gunn_Preamplifier_G3RPE.gif05-Feb-2011 14:40 43K 
[IMG]1152MHz_Signal_Source_DC0DA.gif05-Feb-2011 14:41 202K 
[IMG]1152MHz_Signal_Source_DC8NR.gif05-Feb-2011 14:41 430K 
[IMG]1296MHz-144MHz_RX_Converter_DJ5XA.gif05-Feb-2011 14:41 382K 
[IMG]1296MHz_1W_Linear_PA_DC0DA.gif05-Feb-2011 14:41 96K 
[IMG]1296MHz_BPF_DC0DA.gif05-Feb-2011 14:41 107K 
[IMG]144MHz_1296MHz_TX_Upconverter_DC8UG.gif05-Feb-2011 14:41 379K 
[IMG]144MHz_28MHz_High_Dynamic_Range_Conv_DJ7VY.gif05-Feb-2011 14:41 291K 
[IMG]144MHz_432MHz_High_Linearity_LNA_DJ7VY.gif05-Feb-2011 14:41 157K 
[IMG]144MHz_Converter_MOS_LNA_DC0DA.gif05-Feb-2011 14:41 100K 
[IMG]2304MHz-144MHz_Converter_DC0DA.gif05-Feb-2011 14:41 241K 
[IMG]2305MHz_144MHz_RX_Converter_DL2AS.gif05-Feb-2011 14:41 60K 
[IMG]28MHz-432MHz_Upconverter_DJ6ZZ.gif05-Feb-2011 14:42 259K 
[IMG]28MHz_1296MHz_Upconverter_DF8QK.gif05-Feb-2011 14:42 262K 
[IMG]2pF-1uF_Capacimeter_DC6FC.gif05-Feb-2011 14:42 69K 
[IMG]3stage_1296MHz_LNA_DC0DA.gif05-Feb-2011 14:42 190K 
[IMG]432MHz_3456MHz_Freq_Multiplier_DC3QS.gif05-Feb-2011 14:42 75K 
[IMG]60MHz_120MHz_VCO_DL8ZX.gif05-Feb-2011 14:42 97K 
[IMG]70MHz-1350MHz_Wave_Absorbtionmeter_DJ2HF.gif05-Feb-2011 14:42 179K 
[IMG]High_Freq_Overtone_X-tal_LO_DK1AG.gif05-Feb-2011 14:42 50K 
[IMG]Large_Short-Term_Stability_LO_DK1AG.gif05-Feb-2011 14:42 36K 
[IMG]Low_Freq_X-tal_LO_DK1AG.gif05-Feb-2011 14:42 41K 
[IMG]Power_Supply_and_Modulator_for_Gunn_LO_G3RPE.gif05-Feb-2011 14:42 76K 
[IMG]Simple_10GHz_TRX_DC0MT.gif05-Feb-2011 14:42 29K 
[IMG]Temperature_Compensated_Oscillator_DL1XX.gif05-Feb-2011 14:42 106K 
[IMG]x8_Frequency_Multiplier_with_Idler_DC8UG.gif05-Feb-2011 14:42 56K 
[IMG]144MHz_to_2304MHz_Freq_Multiplier_DC8UG.gif05-Feb-2011 14:43 30K 
[IMG]540MHz_1080MHz_Freq_Doubler_DC3QS.gif05-Feb-2011 14:44 68K 
[IMG]92MHz_to_3312MHz_Signal_Source_DC0DA.gif05-Feb-2011 14:44 290K 
[IMG]Interdigital_Mixer_DK3UC.gif05-Feb-2011 14:45 37K 
[IMG]1.3GHz_0.25dB-NF_16dB-G_LNA_DF7KB.gif20-Feb-2011 11:27 73K 
[IMG]1.3GHz_10W_Linear_PA_DJ1EE.gif20-Feb-2011 11:27 141K 
[IMG]1.7GHz_1dB-NF_14dB-G_LNA_DJ6PI.gif20-Feb-2011 11:27 69K 
[IMG]1.7GHz_2dB-NF_23dB-G_LNA_DJ6PI.gif20-Feb-2011 11:27 92K 
[IMG]1152MHz-to-10368MHz_Multiplier_DB1NV.gif20-Feb-2011 11:27 201K 
[IMG]1152MHz_FM_Signal_Source_DB1NV.gif20-Feb-2011 11:28 421K 
[IMG]126MHz_130MHz_Scanning_VCO_DC3NT.gif20-Feb-2011 11:28 202K 
[IMG]1296MHz-to-144MHz_SSB_TRV_DJ1EE.gif20-Feb-2011 11:28 545K 
[IMG]1296MHz_Selective_LNA_DC8UG.gif20-Feb-2011 11:28 156K 
[IMG]1296MHz_to_144MHz_RX_Converter_PA2HWG.gif20-Feb-2011 11:28 166K 
[IMG]135MHz_VXO_200kHz-range_DC6HL.gif20-Feb-2011 11:28 171K 
[IMG]144MHz-to-28MHz_TRV_DK8DD.gif20-Feb-2011 11:28 339K 
[IMG]144MHz_0.5dB-NF_LNA_DF9RL.gif20-Feb-2011 11:28 116K 
[IMG]144MHz_High-Gain_LNA_with_PIN-att_DK1OF.gif20-Feb-2011 11:28 198K 
[IMG]144MHz_TX-RX_PIN_Switch_LA8AK.gif20-Feb-2011 11:28 56K 
[IMG]1MHz-30MHz_4W_Linear_PA_DJ7VY.gif20-Feb-2011 11:28 125K 
[IMG]2.4GHz_1W_Linear_PA_DC3QS.gif20-Feb-2011 11:28 79K 
[IMG]23cm_13cm_Dual-Stage_LNA_DJ6PI.gif20-Feb-2011 11:28 204K 
[IMG]432MHz_0.7dB-NF_LNA.gif20-Feb-2011 11:29 84K 
[IMG]432MHz_28MHz_TRV_DJ3VY.gif20-Feb-2011 11:29 369K 
[IMG]432MHz_Dual-Gate_LNA_DF7KB.gif20-Feb-2011 11:29 78K 
[IMG]800MHz_VCO_DL8ZX.gif20-Feb-2011 11:29 36K 
[IMG]96MHz_Very_Low_PN_X-tal_LO_DK1AG.gif20-Feb-2011 11:29 99K 
[IMG]CP-Stripline_to_CPW_Transitions.gif20-Feb-2011 11:29 43K 
[IMG]CPW-to-Rectangular_Waveguide_Transitions.gif20-Feb-2011 11:29 59K 
[IMG]CPW-to-Slotline_Transitions.gif20-Feb-2011 11:29 80K 
[IMG]CPW-to-uStrip_Transitions.gif20-Feb-2011 11:29 139K 
[IMG]CPW_Couplers.gif20-Feb-2011 11:29 187K 
[IMG]Printed_LC_Equiv_Expression.gif20-Feb-2011 11:29 51K 
[IMG]VHF-UHF_Noise_Source_DB2GM.gif20-Feb-2011 11:29 23K 
[IMG]VXO_for_144MHz_TRX_DB3TB.gif20-Feb-2011 11:29 136K 
[IMG]1296MHz_10W_Linear-PA_DJ1EE.gif22-Feb-2011 10:45 66K 
[IMG]1296MHz_Interdigital_BPF.gif22-Feb-2011 10:46 109K 
[IMG]1296MHz_Simple_Signal_Source.gif22-Feb-2011 10:46 127K 
[IMG]144MHz_FM_RX_RSGB.gif22-Feb-2011 10:46 440K 
[IMG]144MHz_High-Q_High-Power_BPF.gif22-Feb-2011 10:46 141K 
[IMG]2304MHz_Simple_Signal_Source.gif22-Feb-2011 10:46 108K 
[IMG]29MHz-460MHz_Dual-FET_DIP_LO.gif22-Feb-2011 10:46 132K 
[IMG]576MHz_Signal_Source_YU3UMV.gif22-Feb-2011 10:46 133K 
[IMG]EM_Fields_of_Cavity_Resonators.gif22-Feb-2011 10:46 35K 
[IMG]Horn_Antenna_Dimensions.gif22-Feb-2011 10:46 23K 
[IMG]PSK_Modulator.gif22-Feb-2011 10:46 81K 
[IMG]RF_Bridge_for_Impedance_Measurements.gif22-Feb-2011 10:46 184K 
[IMG]RF_Noise_Bridge.gif22-Feb-2011 10:46 93K 
[IMG]144MHz_1W_NBFM_TX.gif18-Mar-2011 14:59 305K 
[IMG]3.5W_Audio_PA_with_Active_CW_Filter_W1FB.gif18-Mar-2011 14:59 113K 
[IMG]3dB_Power_Divider_10.3GHz_G3PHO.gif18-Mar-2011 14:59 19K 
[IMG]7MHz-7.1MHz_Very_Stable_VFO_K6BSU.gif18-Mar-2011 14:59 239K 
[IMG]7MHz-7.1MHz_VFO_W1FB.gif18-Mar-2011 14:59 113K 
[IMG]80m-40m_Neophyte_RX_WA3RNC.gif18-Mar-2011 14:59 248K 
[IMG]Lange_Coupler.gif18-Mar-2011 14:59 19K 
[IMG]Ovenized_Crystal_Controlled_Oscillator_AF8L.gif18-Mar-2011 14:59 50K 
[IMG]Q-meter_VK5BR.gif18-Mar-2011 14:59 95K 
[IMG]Rat-Race_MW_Mixer.gif18-Mar-2011 14:59 38K 
[IMG]Simple_FET_Audio_Filter.gif18-Mar-2011 14:59 108K 
[IMG]Variable_Audio_Notch_Filter_K4VIZ.gif18-Mar-2011 14:59 75K 
[IMG]Voice_Compressor_with_Filter.gif18-Mar-2011 14:59 118K 
[IMG]1296MHz_to_28MHz_RX_Converter_DL3WR.gif24-Mar-2011 15:52 240K 
[IMG]135MHz-to-137MHz_PLL_DJ7ZV.gif24-Mar-2011 15:52 349K 
[IMG]136MHz_VXO_DJ9ZR.gif24-Mar-2011 15:52 135K 
[IMG]144_220_440MHz_LNA_W3KKC.gif24-Mar-2011 15:52 60K 
[IMG]144MHz-to-28MHz_FET_RX_Converter_DL6SW.gif24-Mar-2011 15:52 206K 
[IMG]144MHz_5W_SSB_TX_DJ9ZR.gif24-Mar-2011 15:52 256K 
[IMG]144MHz_All-FET_DCR.gif24-Mar-2011 15:52 78K 
[IMG]144MHz_to_9MHz_RX_Converter_DJ9ZR.gif24-Mar-2011 15:52 266K 
[IMG]27MHz_X-tal_Phase_Modulator.gif24-Mar-2011 15:52 95K 
[IMG]432MHz-to-144MHz_RX_Converter_DL9GU.gif24-Mar-2011 15:52 225K 
[IMG]432MHz-to-144MHz_TRV_DL9JU.gif24-Mar-2011 15:53 83K 
[IMG]48MHz-to_48.7MHz_Stable_VFO_DL9FX.gif24-Mar-2011 15:53 121K 
[IMG]88MHz-108MHz_DCR.gif24-Mar-2011 15:53 116K 
[IMG]Automatic_Search_LO_DL8AT.gif24-Mar-2011 15:53 73K 
[IMG]Dual-FET_Mixer.gif24-Mar-2011 15:53 22K 
[IMG]MW_SW_Simple_RX.gif24-Mar-2011 15:53 79K 
[IMG]Regenerative_SW_RX_7N3WVM.gif24-Mar-2011 15:53 35K 
[IMG]SW_All-Transistors_DCR.gif24-Mar-2011 15:53 222K 
[IMG]1.150GHz_LNA_Coax-Resonator_DB1NV.gif29-Mar-2011 05:40 39K 
[IMG]1.33GHz-to-5.34GHz_Quadrupler_DL1RQ.gif29-Mar-2011 05:40 179K 
[IMG]1.3GHz-to-432MHz_RX_Converter_DJ8ES.gif29-Mar-2011 05:40 149K 
[IMG]1.3GHz_0.5W_PA_DC1OP.gif29-Mar-2011 05:40 168K 
[IMG]1.3GHz_Signal_Source_DL1RQ.gif29-Mar-2011 05:40 183K 
[IMG]1.3GHz_VCO.gif29-Mar-2011 05:40 45K 
[IMG]1.3GHz_VCO_DF5FC.gif29-Mar-2011 05:40 75K 
[IMG]1.5GHz_Coax-Resonator_LO_DB1NV.gif29-Mar-2011 05:40 37K 
[IMG]1.5GHz_LNA_YT3MV.gif29-Mar-2011 05:40 90K 
[IMG]1.6GHz-to-134MHz_RX_Converter_DF9DA.gif29-Mar-2011 05:40 251K 
[IMG]100kHz-to-50MHz_Active_Antenna.gif29-Mar-2011 05:40 68K 
[IMG]100MHz-to-500MHz_Wilkinson_Divider_DJ1EE.gif29-Mar-2011 05:40 95K 
[IMG]10GHz_1W_PA_DL1RQ.gif29-Mar-2011 05:41 255K 
[IMG]10GHz_FM_DRO_F6IWF.gif29-Mar-2011 05:41 112K 
[IMG]10MHz-1MHz_Marker_Generator_OE2TZL.gif29-Mar-2011 05:41 65K 
[IMG]144MHz_Dual-Gate_LNA.gif29-Mar-2011 05:41 63K 
[IMG]144MHz_Helical_LNA_YU1AW.gif29-Mar-2011 05:41 233K 
[IMG]1850MHz-to-2200MHz_VCO_S53MV.gif29-Mar-2011 05:41 87K 
[IMG]1GHz-to-10GHz_Marker_Generator_DB6NT.gif29-Mar-2011 05:41 64K 
[IMG]2.1GHz-to-3.85GHz_VCO_S53MV.gif29-Mar-2011 05:41 144K 
[IMG]2.4GHz_ATV_FM_Exciter_DJ8ES.gif29-Mar-2011 05:41 121K 
[IMG]24GHz_200mW_PA_DB6NT.gif29-Mar-2011 05:41 157K 
[IMG]24MHz_FM_X-tal_LO.gif29-Mar-2011 05:41 30K 
[IMG]2556MHz_Signal_Source_DC0DA.gif29-Mar-2011 05:41 164K 
[IMG]3.4GHz_0.5W_PA_DC8NR.gif29-Mar-2011 05:41 229K 
[IMG]300MHz_VCO_DF5FC.gif29-Mar-2011 05:41 80K 
[IMG]400MHz-to-1900MHz_VCO_DB1NV.gif29-Mar-2011 05:41 102K 
[IMG]432MHz_RX_Converter_DD2EK.gif29-Mar-2011 05:41 202K 
[IMG]450MHz-to-1GHz_VCO_DB1NV.gif29-Mar-2011 05:41 54K 
[IMG]5.76GHz_G-50dB_Amplifier_DL1RQ.gif29-Mar-2011 05:41 119K 
[IMG]700MHz-to-1400MHz_MMIC_VCO_DJ8ES.gif29-Mar-2011 05:42 33K 
[IMG]Active_AM_Demodulator.gif29-Mar-2011 05:42 67K 
[IMG]C-Band_GaAs_LNA_YT3MV.gif29-Mar-2011 05:42 125K 
[IMG]C-band_to_S-band_RX_Converter_YT3MV.gif29-Mar-2011 05:42 117K 
[IMG]DC-500MHz_Log_Detector_DJ8ES.gif29-Mar-2011 05:42 43K 
[IMG]Discrete_Phase_Comparator_S53MV.gif29-Mar-2011 05:42 116K 
[IMG]Harmonic_Mixer_S53MV.gif29-Mar-2011 05:42 66K 
[IMG]HF-to-VHF_Active_Antenna.gif29-Mar-2011 05:42 39K 
[IMG]HF_Preselector_DF4UW.gif29-Mar-2011 05:42 136K 
[IMG]IQ_Modulator_with_DBM.gif29-Mar-2011 05:42 106K 
[IMG]Loop_Filter_Options_for_PLL_DB1NV.gif29-Mar-2011 05:42 48K 
[IMG]MMIC_X-tal_LO_DK1AG.gif29-Mar-2011 05:42 49K 
[IMG]Push-Pull_LNAs_DF8FR.gif29-Mar-2011 05:42 48K 
[IMG]ShortWave _Old-Style_RX.gif29-Mar-2011 05:42 220K 
[IMG]UHF_Dual-Gate_LNA.gif29-Mar-2011 05:42 34K 
[IMG]VFO_with_IQ_Output.gif29-Mar-2011 05:42 64K 
[IMG]VLF-to-VHF_Active_Antenna_DB1NV.gif29-Mar-2011 05:42 83K 
[IMG]Wide_Band_Amplifiers.gif29-Mar-2011 05:42 122K 
[IMG]Simple_LC_PM_Modulator_W0INK.gif07-Apr-2011 09:36 15K 
[IMG]10MHz_Stable_VFO.gif21-Apr-2011 15:30 17K 
[IMG]24MHz_VXO.gif21-Apr-2011 15:30 18K 
[IMG]80m-10m_ZZ_ATU_G4RGN.gif21-Apr-2011 15:30 19K 
[IMG]Active_Patch_Antenna_for_GPS.gif21-Apr-2011 15:30 19K 
[IMG]Audio_Gen_50Hz-to-36kHz.gif21-Apr-2011 15:30 39K 
[IMG]Branch-Line_Balanced_Diode_Mixer.gif21-Apr-2011 15:30 69K 
[IMG]Dynamic_Noise_Limiter.gif21-Apr-2011 15:30 66K 
[IMG]EM_Field_Intensity_Meter_WA7JHZ.gif21-Apr-2011 15:30 11K 
[IMG]Minituner_for_HF_K2JHU.gif21-Apr-2011 15:30 31K 
[IMG]Power_Tripler_using_BC-junction.gif21-Apr-2011 15:30 19K 
[IMG]Wideband_180-deg_Power_Divider.gif21-Apr-2011 15:30 32K 
[IMG]0-30MHz_AM-FM-CW-SSB-DRM_Receiver.gif04-May-2011 17:34 204K 
[IMG]Microstrip_Balanced_Mixer_Branch-Coupler.gif04-May-2011 17:34 71K 
[IMG]Microstrip_Filters.gif04-May-2011 17:34 11K 
[IMG]Microstrip_GaAs_Oscillators.gif04-May-2011 17:34 110K 
[IMG]Microstrip_Resonators.gif04-May-2011 17:34 12K 
[IMG]1MHz-30MHz_Quartz_Tester_DK4KU.gif06-May-2011 07:41 9.7K 
[IMG]1MHz-60MHz_23dBm_Driver_DK4KU.gif06-May-2011 07:41 12K 
[IMG]3dB_Wilkinson_Splitter_Coax-Cable_DC4KU.gif06-May-2011 07:41 21K 
[IMG]40.5MHz_+23dBm_X-tal_LO_DC4KU.gif06-May-2011 07:41 17K 
[IMG]6dB_Resistive_Power_Splitter_DC4KU.gif06-May-2011 07:41 10K 
[IMG]9MHz_IF_Amplifier_DC4KU.gif06-May-2011 07:41 74K 
[IMG]9MHz_USB-LSB_BFO_DC4KU.gif06-May-2011 07:41 27K 
[IMG]AGC_for_9MHz-IF_DC4KU.gif06-May-2011 07:41 56K 
[IMG]FM_Demodulator_for_9MHz-IF_DC4KU.gif06-May-2011 07:41 35K 
[IMG]Wheatstone-Bridge_as_Combiner-Splitter_DC4KU.gif06-May-2011 07:41 26K 
[IMG]2.3GHz_0.3dB-NF_LNA_WD5AGO.gif01-Jun-2011 16:54 47K 
[IMG]7MHz_Crystal_Regenerative_RX_KR1S.gif01-Jun-2011 16:54 6.6K 
[IMG]Coaxial_1-1_Balun.gif01-Jun-2011 16:54 41K 
[IMG]Coaxial_Baluns.gif01-Jun-2011 16:54 9.9K 
[IMG]HF_DRM_Receiver_OK2UGS.gif01-Jun-2011 16:54 171K 
[IMG]HF_VFO_Stabilizer.gif01-Jun-2011 16:54 339K 
[IMG]L-band_Dual-GaAs_0.4dB-NF_LNA_WD5AGO.gif01-Jun-2011 16:54 113K 
[IMG]L-band_Dual-Stage_0.3dB-NF_LNA_WD5AGO.gif01-Jun-2011 16:54 47K 
[IMG]Mike_Preamp_with_Dynamic_Compressor.gif01-Jun-2011 16:54 30K 
[IMG]10MHz_Cascode_X-tal_LO.gif22-Aug-2011 07:08 10K 
[IMG]10MHz_Tank-Coupled_LO.gif22-Aug-2011 07:08 13K 
[IMG]120MHz_Butler_X-tal_LO.gif22-Aug-2011 07:08 11K 
[IMG]15MHz_Pierce_X-tal_LO.gif22-Aug-2011 07:08 23K 
[IMG]40dB_Audio_Notch_Filter.gif22-Aug-2011 07:08 12K 
[IMG]455kHz_IF_Mechanical_Filter.gif22-Aug-2011 07:08 21K 
[IMG]5-band_SW_SSB-AM_Receiver.gif22-Aug-2011 07:08 479K 
[IMG]5MHz_Very_low_Phase_Noise_X-tal_LO_Driscoll.gif22-Aug-2011 07:08 100K 
[IMG]6m_Beacon_WB2AMU.gif22-Aug-2011 07:08 39K 
[IMG]9MHz_IF_Notch_Filter.gif22-Aug-2011 07:08 27K 
[IMG]HF_50W_MOS_PA_W6JL.gif22-Aug-2011 07:09 69K 
[IMG]HF_Coaxial_Balun_50-200ohms.gif22-Aug-2011 07:09 43K 
[IMG]Low_Phase_Noise_X-tal_LO_Driscoll.gif22-Aug-2011 07:09 16K 
[IMG]Peak_Reading_RF_Power_Meter_W0IVJ.gif22-Aug-2011 07:09 134K 
[IMG]Quad-JFET_DBM_Mixer.gif22-Aug-2011 07:09 155K 
[IMG]XCR-30_SW_SSB-AM_Receiver.gif22-Aug-2011 07:09 496K 
[IMG]1296MHz-to-28MHz_RX_Converter_W0PW.gif27-Aug-2011 17:19 86K 
[IMG]144-222-432MHz_GaAs_LNA_WA5VJB.gif27-Aug-2011 17:19 221K 
[IMG]144-222MHz_Power_GaAs_LNA_WA5VJB.gif27-Aug-2011 17:19 234K 
[IMG]30MHz-3400MHz_LNA_G4DDK.gif27-Aug-2011 17:19 129K 
[IMG]902-1296-2304MHz_GaAs_LNA_WA5VJB.gif27-Aug-2011 17:20 262K 
[IMG]902MHz-to-28MHz_RX_Converter_W0PW.gif27-Aug-2011 17:20 104K 
[IMG]0-500MHz_Field_Strength_Meter_DK6UU.gif30-Aug-2011 07:17 95K 
[IMG]100MHz_Very_low_Phase_Noise_X-tal_LO_Driscoll.gif30-Aug-2011 07:17 158K 
[IMG]20m_4W_QRP_TRX.gif30-Aug-2011 07:17 118K 
[IMG]3.5MHz_14MHz_SSB_2W_TRX_HA8RM.gif30-Aug-2011 07:17 250K 
[IMG]HF_CW_Storm-2_RX_DK3RED.gif30-Aug-2011 07:17 49K 
[IMG]HF_SSB-CW_TRX_DK3SP.gif30-Aug-2011 07:17 214K 
[IMG]Mic_Equalizer_Dynamic_Compressor_DL7MAJ.gif30-Aug-2011 07:17 136K 
[IMG]QRP_SWR_Meter_HA5KU.gif30-Aug-2011 07:17 12K 
[IMG]Symmetrical_BW_Ladder_X-tal_Filters_DK4SX.gif30-Aug-2011 07:17 129K 
[IMG]1.5GHz-1.9GHz_Microstrip_Ring_LO.gif05-Sep-2011 06:27 17K 
[IMG]10GHz_Weak_Signal_Source.gif05-Sep-2011 06:27 123K 
[IMG]CPW_Reverse-Phase_Hybrid-Ring_Coupler.gif05-Sep-2011 06:27 73K 
[IMG]Double-Sided_Slotline-Ring_Magic-T.gif05-Sep-2011 06:27 87K 
[IMG]Microstrip_Filter_Ring-Resonators.gif05-Sep-2011 06:27 25K 
[IMG]Microstrip_Reverse-Phase_Hybrid-Ring_Coupler.gif05-Sep-2011 06:27 41K 
[IMG]Proportional_Temperature_Control_for_Gunnplexer_W4UCH.gif05-Sep-2011 06:27 18K 
[IMG]Slotline_Reverse-Phase_Hybrid-Ring_Coupler.gif05-Sep-2011 06:27 66K 
[IMG]Uniplanar_Slotline-Ring_Magic-T.gif05-Sep-2011 06:27 62K 
[IMG]Various_Transmission_Lines_and_Waveguides.gif05-Sep-2011 06:27 29K 
[IMG]144MHz_350mW_Beacon_9A4QV.gif17-Sep-2011 17:41 35K 
[IMG]150kHz-550kHz_X-tal_LO.gif17-Sep-2011 17:41 15K 
[IMG]21MHz-105MHz_Impedance _Inverting_X-tal_LO.gif17-Sep-2011 17:41 12K 
[IMG]2GHz_Buterworth_ustrip_LPF.gif17-Sep-2011 17:41 20K 
[IMG]50MHz-100MHz_Overtone_Crystal_LO.gif17-Sep-2011 17:41 14K 
[IMG]5th_order_Overtone_X-tal_LO.gif17-Sep-2011 17:41 12K 
[IMG]6MHz-8MHz_VXO_Crystal_Oscillator.gif17-Sep-2011 17:41 12K 
[IMG]700MHz_Low-Phase-Noise_LO.gif17-Sep-2011 17:41 35K 
[IMG]Below-150kHz_X-tal_LO.gif17-Sep-2011 17:41 20K 
[IMG]Crystal_Timebase.gif17-Sep-2011 17:41 22K 
[IMG]Digital-IC_Crystal_Oscillators.gif17-Sep-2011 17:41 32K 
[IMG]Lumped_to_Microstrip_Counterpart_Equivalency.gif17-Sep-2011 17:42 35K 
[IMG]Microstrip_Phase_Shifters.gif17-Sep-2011 17:42 30K 
[IMG]PNP_Overtone_X-tal_LO.gif17-Sep-2011 17:42 8.3K 
[IMG]TTL_Logic_X-tal_LO.gif17-Sep-2011 17:42 20K 
[IMG]HF_50W_Gain-13dB_PA_WA2EUJ.gif18-Sep-2011 12:37 36K 
[IMG]HF_50W_IRF-520_PA_NM0S.gif18-Sep-2011 12:37 110K 
[IMG]HF_Twisted_Wire_Balun.gif18-Sep-2011 12:38 23K 
[IMG]Ladder_Filter_Overtone_X-tal_DJ6EV.gif18-Sep-2011 12:38 77K 
[IMG]Phase_Meter_K1FK.gif18-Sep-2011 12:38 52K 
[IMG]Temp_Fan_Reg_for_Power_Supply.gif18-Sep-2011 12:38 22K 
[IMG]True_TLT_H-mode_Mixer_UR3IQO.gif18-Sep-2011 12:38 45K 
[IMG]Very_Low_Frequency_RX_WA8SME.gif18-Sep-2011 12:38 21K 
[IMG]1MHz-40MHz_1.5to1_50ohm-75ohm_UNUN_W2FMI.gif10-Dec-2011 13:55 18K 
[IMG]1MHz-40MHz_2.25to1_22ohm-50ohm_UNUN.gif10-Dec-2011 13:55 14K 
[IMG]4.43MHz_Neutralized_Ladder_X-tal_Filter_K6OLG.gif10-Dec-2011 13:55 40K 
[IMG]5.6GHz_Integrated_Oscillator_uStrip_Antenna.gif10-Dec-2011 13:55 57K 
[IMG]Audio_T-Notch_Filter_G3VFP.gif10-Dec-2011 13:55 7.0K 
[IMG]HF_CW-SSB_Regen_RX_N1TEV.gif10-Dec-2011 13:55 44K 
[IMG]Mic_Freq_Booster_G3VFP.gif10-Dec-2011 13:55 13K 
[IMG]Minisynth_VFO_G4JST.gif10-Dec-2011 13:55 185K 
[IMG]Pseudo_Stereo_CW_G3VFP.gif10-Dec-2011 13:55 30K 
[IMG]Stable_VFO_for_160-80m_W1VD.gif10-Dec-2011 13:55 50K 
[IMG]SW_Junk-Box_Regen_RX_N1TEV.gif10-Dec-2011 13:55 37K 
[IMG]10GHz_Beacon_W1GHZ.gif11-Dec-2011 14:48 254K 
[IMG]10kHz-10GHz_LED_Bargraph_Powermeter_W1GHZ.gif11-Dec-2011 14:48 48K 
[IMG]Antenna_RatioMeter_W1GHZ.gif11-Dec-2011 14:48 135K 
[IMG]Harmonic_Generator_VHF-uW_KE5FX.gif11-Dec-2011 14:48 33K 
[IMG]Tonemeter_W1GHZ.gif11-Dec-2011 14:48 41K 
[IMG]UHF_10GHz_Power_Detector_W1GHz.gif11-Dec-2011 14:48 54K 
[IMG]144MHz_50W_Parallel-BJT_PA.gif08-Jan-2012 18:18 229K 
[IMG]144MHz_Frequency_Synthesizer_WB2BWJ.gif08-Jan-2012 18:18 607K 
[IMG]220MHz-144MHz_TRV_WA7SPR.gif08-Jan-2012 18:18 441K 
[IMG]300MHz_BW_Noise_Generator.gif08-Jan-2012 18:18 90K 
[IMG]38MHz-42MHz_PLL.gif08-Jan-2012 18:18 296K 
[IMG]6m_VFX_K1CLL.gif08-Jan-2012 18:18 259K 
[IMG]88-108MHz_Low_Power_TX.gif08-Jan-2012 18:18 7.5K 
[IMG]Discreate_Phase-Frequency_Comparator_K2OAW.gif08-Jan-2012 18:18 147K 
[IMG]Equal_Delay_Transformers.gif08-Jan-2012 18:18 82K 
[IMG]FM_Modulator_MC1648.gif08-Jan-2012 18:18 28K 
[IMG]FM_to_AM_Conversion_Discriminator.gif08-Jan-2012 18:18 25K 
[IMG]Function_Generator_WA2IKL.gif08-Jan-2012 18:19 257K 
[IMG]Iambic_Keyer_N5DY.gif08-Jan-2012 18:19 345K 
[IMG]Lamda_Diode_Two_JFETS.gif08-Jan-2012 18:19 88K 
[IMG]Simple_Phase_Detector.gif08-Jan-2012 18:19 80K 
[IMG]Splatter_Meter_W1BG.gif08-Jan-2012 18:19 460K 
[IMG]Subaudible_Tone_Encoder_W4NFR.gif08-Jan-2012 18:19 157K 
[IMG]Transmission_Line_Transformers.gif08-Jan-2012 18:19 29K 
[IMG]Twisted-Wire_Various_Impedance_Ratio_Transformers.gif08-Jan-2012 18:19 19K 
[IMG]100MHz_X-tal_LO_WB6IGP.gif11-Jan-2012 17:43 136K 
[IMG]10m_SSB_TX_NZ5G.gif11-Jan-2012 17:43 629K 
[IMG]1296MHz_RX_Downconverter_WB6IGP.gif11-Jan-2012 17:43 262K 
[IMG]144MHz_LNA_AA4AW.gif11-Jan-2012 17:43 246K 
[IMG]80m_One-Band_One-Transistor_Radio_WB2EUF.gif11-Jan-2012 17:43 157K 
[IMG]Noise_Reduction_Active_Antennas_WD4PLI.gif11-Jan-2012 17:44 133K 
[IMG]Regenerative_LNA_for_Loop_Antenna_W2IMB.gif11-Jan-2012 17:44 278K 
[IMG]Sudden_HF_DCR_G3RJV.gif11-Jan-2012 17:44 268K 
[IMG]10GHz_G-18dB_NF-2dB_LNA_WB6IGP.gif15-Jan-2012 16:59 129K 
[IMG]10MHz_3W_CW_TX_WB6VGE.gif15-Jan-2012 16:59 187K 
[IMG]152MHz-to-144MHz_Converter_W9DJZ.gif15-Jan-2012 16:59 111K 
[IMG]200MHz-500MHz_LO_WB6NWW.gif15-Jan-2012 16:59 129K 
[IMG]2V-36V_10A_PS_WB6TOX.gif15-Jan-2012 16:59 154K 
[IMG]40kHz-200MHz_RF_Voltmeter_WA6NIL.gif15-Jan-2012 16:59 208K 
[IMG]80m_The-Traveler_SSB_RX_K5WMS.gif15-Jan-2012 16:59 197K 
[IMG]Antenna_Tuner_SWR-meter_QRP_AD5X.gif15-Jan-2012 16:59 118K 
[IMG]Code_Speed_Display_VE1BU.gif15-Jan-2012 16:59 196K 
[IMG]CV_Linearization_for_Varicap.gif15-Jan-2012 16:59 98K 
[IMG]CW_Keyer_K3QKO.gif15-Jan-2012 17:00 193K 
[IMG]CW_Keyer_Monitor_K2BLA.gif15-Jan-2012 17:00 136K 
[IMG]Handy-Randy_QRP_Tuner_W3RDF.gif15-Jan-2012 17:00 55K 
[IMG]Realistic_S-meter_DJ3NW.gif15-Jan-2012 17:00 183K 
[IMG]SSB_Monitor_G3OGR.gif15-Jan-2012 17:00 124K 
[IMG]Stubs_as_Resonators.gif15-Jan-2012 17:00 17K 
[IMG]SW_Armstrong_Regen_RX_KC3ZQ.gif15-Jan-2012 17:00 199K 
[IMG]TL_Impedance_Various-Length_VE3RE.gif15-Jan-2012 17:00 214K 
[IMG]Tuned_Diode_Receivers_K1CLL.gif15-Jan-2012 17:00 230K 
[IMG]Using_CB-junction_Varicap.gif15-Jan-2012 17:00 40K 
[IMG]1.8MHz-to-10.1MHz_5W_MOSFET_PA.gif16-Jan-2012 13:35 33K 
[IMG]1.2GHz-2.4GHz_Freq_Doubler_K1CCL.gif20-Jan-2012 19:11 87K 
[IMG]144MHz_Differential_FET_LNA_W4KAE.gif20-Jan-2012 19:11 137K 
[IMG]144MHz_LNA_K6MVH.gif20-Jan-2012 19:11 47K 
[IMG]1kHz-7kHz_VLF_RX.gif20-Jan-2012 19:11 161K 
[IMG]20.3MHz_High-Stability_Lumped-Line_LO_W6HDM.gif20-Jan-2012 19:11 120K 
[IMG]220MHz_Dual-Gate_MOS_LNA_K1CLL.gif20-Jan-2012 19:11 120K 
[IMG]220MHz_MOSFET_LNA_KT2B.gif20-Jan-2012 19:11 96K 
[IMG]28MHz_15W_PA.gif20-Jan-2012 19:12 59K 
[IMG]2N2222_Keyer_W6JJI.gif20-Jan-2012 19:12 94K 
[IMG]3MHz-4MHz_VFO_WB8VGE.gif20-Jan-2012 19:12 137K 
[IMG]40m_200W_CW_PA_W6EI.gif20-Jan-2012 19:12 119K 
[IMG]40m_75W_CW_PA_W6EI.gif20-Jan-2012 19:12 126K 
[IMG]40m_ET-1_One-FET_TRX_W2UW.gif20-Jan-2012 19:12 138K 
[IMG]40m_Regenerative_RX_VK3IQ.gif20-Jan-2012 19:12 63K 
[IMG]40m_SST-1_QRP_TRX_W9ZTK.gif20-Jan-2012 19:12 531K 
[IMG]5.6GHz-144MHz_Converter_WB6IGP.gif20-Jan-2012 19:12 384K 
[IMG]Dynamic_Mike_Preamplifier_IC-706_W5RK.gif20-Jan-2012 19:12 60K 
[IMG]Low_Voltage_Detector_W6WTU.gif20-Jan-2012 19:12 52K 
[IMG]Semiautomatic_Keyer_WB4MYL.gif20-Jan-2012 19:12 209K 
[IMG]TTL-DAC_Generate_SAW_Tooth.gif20-Jan-2012 19:12 172K 
[IMG]Variable_20A_PS.gif20-Jan-2012 19:12 121K 
[IMG]Vibroplex_Bug_Emulator_W4LJD.gif20-Jan-2012 19:12 167K 
[IMG]VLF_Preamplifier_WB6IGP.gif20-Jan-2012 19:12 54K 
[IMG]Voltage-to-Frequency_Converter_.gif20-Jan-2012 19:12 102K 
[IMG]10m_10W_SSB_PA_NZ5G.gif22-Jan-2012 16:48 151K 
[IMG]1296MHz_Cavity_BPF_N6CA.gif22-Jan-2012 16:48 87K 
[IMG]140MHz-460MHz_Wavemeter_K1CLL.gif22-Jan-2012 16:48 196K 
[IMG]144MHz_25W_PA_WA1GPO.gif22-Jan-2012 16:48 234K 
[IMG]1540MHz_Interdigital_Filter.gif22-Jan-2012 16:48 123K 
[IMG]3MHz-22MHz_Signal_Generator_K1BKT.gif22-Jan-2012 16:48 177K 
[IMG]40m_QSK_40W_PA_N5HNN.gif22-Jan-2012 16:48 196K 
[IMG]40m_TTL_TRX_WB0NQM.gif22-Jan-2012 16:48 152K 
[IMG]450MHz_Signal_Source_K1CLL.gif22-Jan-2012 16:48 140K 
[IMG]4MHz-26MHz_Goof-Proof_Regen_RX_WB0NQM.gif22-Jan-2012 16:49 196K 
[IMG]50Hz-100MHz_Wideband_Preamp_NZ9A.gif22-Jan-2012 16:49 121K 
[IMG]50MHz-1.6MHz_Converter_K1CLL.gif22-Jan-2012 16:49 198K 
[IMG]50MHz_PLL_N7APE.gif22-Jan-2012 16:49 518K 
[IMG]7400_Keyer_WB5PPV.gif22-Jan-2012 16:49 160K 
[IMG]Crystal-Controlled_Audio_Generator_KB4ZGC.gif22-Jan-2012 16:49 165K 
[IMG]CW_Typewriter_W4RNL.gif22-Jan-2012 16:49 316K 
[IMG]FM_Deviation_Meter_W3QVZ.gif22-Jan-2012 16:49 124K 
[IMG]Magical_Audio_Filter_W6QIF.gif22-Jan-2012 16:49 333K 
[IMG]Microwave_Pipecap_Filter_WA5VJB.gif22-Jan-2012 16:49 50K 
[IMG]Noise_Limiter_K8MKB.gif22-Jan-2012 16:49 117K 
[IMG]Pseudo_CW_Filter.gif22-Jan-2012 16:49 152K 
[IMG]RTTY_Demodulator_WB4MBL.gif22-Jan-2012 16:49 212K 
[IMG]Sub-Harmonic_Mixer_WB6IGP.gif22-Jan-2012 16:49 122K 
[IMG]Very_Simple_Oscilloscope_K8JWR.gif22-Jan-2012 16:50 426K 
[IMG]VHF-UHF_Signal_Source_W6WTU.gif22-Jan-2012 16:50 166K 
[IMG]144MHz-to-14MHz_RX_Converter_WB6BIH.gif27-Jan-2012 16:15 202K 
[IMG]40m_Simple_Superhet_AA1TJ.gif27-Jan-2012 16:15 106K 
[IMG]50MHz_DSB_TX_KL7GLK.gif27-Jan-2012 16:15 210K 
[IMG]80m_QRP_TRX_K4DHC.gif27-Jan-2012 16:15 474K 
[IMG]Audio_AGC_N6WA.gif27-Jan-2012 16:15 66K 
[IMG]CW_Speedometer_WB4TYL.gif27-Jan-2012 16:15 233K 
[IMG]Rotary_Switches_Eliminator_WA2FPT.gif27-Jan-2012 16:16 502K 
[IMG]TTL_CW_Keyer_VE3GSP.gif27-Jan-2012 16:16 96K 
[IMG]WWV_HF_Receiver.gif27-Jan-2012 16:16 261K 
[IMG]10.1MHz-to-4MHz_Low-Noise_Converter.gif03-Feb-2012 03:09 65K 
[IMG]10dB_Bridge-Tee_Pad_MOSFET.gif03-Feb-2012 03:09 35K 
[IMG]14MHz-21MHz_5W_HEXFET_PA.gif03-Feb-2012 03:10 92K 
[IMG]14MHz_4W_VXO_TX.gif03-Feb-2012 03:10 163K 
[IMG]14MHz_High-IP3_LNA.gif03-Feb-2012 03:10 30K 
[IMG]14MHz_SDR_QRP_TRX_4Z5KY.gif03-Feb-2012 03:10 163K 
[IMG]3-Digit_Frequency_Counter.gif03-Feb-2012 03:10 102K 
[IMG]30kHz-70MHz_SDR_DR1_YU1LM.gif03-Feb-2012 03:10 49K 
[IMG]432MHz_ATV_TX_KA2CWL.gif03-Feb-2012 03:10 662K 
[IMG]5.5MHz-to-16MHz_SW_RX.gif03-Feb-2012 03:10 85K 
[IMG]5MHz_IF_Amplifier_50dB_Gain-Control.gif03-Feb-2012 03:10 62K 
[IMG]7MHz_123mW_CW_TX.gif03-Feb-2012 03:10 43K 
[IMG]7MHz_2.2W_CW_TX.gif03-Feb-2012 03:10 83K 
[IMG]7MHz_30W_HEXFET_PA.gif03-Feb-2012 03:10 110K 
[IMG]7MHz_VCO.gif03-Feb-2012 03:10 79K 
[IMG]9MHz_IF_with_AGC.gif03-Feb-2012 03:10 139K 
[IMG]Antenna_Tuner_Helper_K3PUR.gif03-Feb-2012 03:10 192K 
[IMG]Cascode_JFET_Mixer.gif03-Feb-2012 03:10 32K 
[IMG]Digital_Capacimeter.gif03-Feb-2012 03:10 94K 
[IMG]Engelbrecht_Balanced_IF_Amplifier.gif03-Feb-2012 03:10 31K 
[IMG]Gain_Controlled_RF_Amplifier.gif03-Feb-2012 03:11 36K 
[IMG]Gilbert_Mixer_Discrete_BJTs.gif03-Feb-2012 03:11 47K 
[IMG]HF_30W_FET_Push-Pull_PA_AA3X.gif03-Feb-2012 03:11 118K 
[IMG]HF_DCR_SMT_Components.gif03-Feb-2012 03:11 97K 
[IMG]High-IP3_Mixer_FST3125_Control.gif03-Feb-2012 03:11 105K 
[IMG]High_Performance_Post-Mixer_Amplifier.gif03-Feb-2012 03:11 57K 
[IMG]Odd_Frequency_Multiplier.gif03-Feb-2012 03:11 43K 
[IMG]Phase_Detector_DBM.gif03-Feb-2012 03:11 30K 
[IMG]Roofing_Crystal_Filter.gif03-Feb-2012 03:11 51K 
[IMG]Super-Tee_Ant_Tuner_WB8VGE.gif03-Feb-2012 03:11 97K 
[IMG]Two-Stage_Norton_Amplifier.gif03-Feb-2012 03:11 64K 
[IMG]Variable_Gain_IF_Amplifiers.gif03-Feb-2012 03:11 67K 
[IMG]13.5MHz-14MHz_VFX.gif03-Feb-2012 16:37 115K 
[IMG]14MHz_IQ_VFO.gif03-Feb-2012 16:37 156K 
[IMG]18MHz_IQ_TRX.gif03-Feb-2012 16:37 443K 
[IMG]2nd_Order_RC_All-Pass_Filters.gif03-Feb-2012 16:38 136K 
[IMG]3MHz-45MHz_Signal_Generator.gif03-Feb-2012 16:38 111K 
[IMG]50.113MHz_VXO.gif03-Feb-2012 16:38 76K 
[IMG]50MHz_3W_PA.gif03-Feb-2012 16:38 41K 
[IMG]7MHz_S7C_Superhet_RX.gif03-Feb-2012 16:38 137K 
[IMG]Bidirectional_Amplifier.gif03-Feb-2012 16:38 24K 
[IMG]HF_IQ_DCR.gif03-Feb-2012 16:38 143K 
[IMG]High_Performance_HF_Direct_Conversion_Receiver.gif03-Feb-2012 16:38 134K 
[IMG]JFET_LNA-Attenuator.gif03-Feb-2012 16:38 38K 
[IMG]Passive_Whole-Band_LO_Phase-Shift_Network.gif03-Feb-2012 16:38 59K 
[IMG]Phased_Direct_Conversion_TRX.gif03-Feb-2012 16:38 104K 
[IMG]Phased_SSB_Exciter.gif03-Feb-2012 16:38 99K 
[IMG]Shape_CW_Transmitter_Keying.gif03-Feb-2012 16:38 55K 
[IMG]SSB_Generator.gif03-Feb-2012 16:38 77K 
[IMG]T-R_Switch_Shunt_PIN_Diodes.gif03-Feb-2012 16:38 27K 
[IMG]1.8MHz-30MHz_30W_MOSFET_PA_DL2EWN.gif11-Feb-2012 16:57 79K 
[IMG]116MHz_High_Output_Power_LO_DC8RI.gif11-Feb-2012 16:57 34K 
[IMG]12kHz-500kHz_PLL_Demod_4011.gif11-Feb-2012 16:57 60K 
[IMG]144MHz_Dual-Gate_Converter.gif11-Feb-2012 16:58 273K 
[IMG]14MHz-21MHz_5W_CW_TX.gif11-Feb-2012 16:58 149K 
[IMG]15Hz-to-2MHz_Ferranti-Wien_Bridge_Generator.gif11-Feb-2012 16:58 83K 
[IMG]23-13-9cm_Very_Low_Noise_Amplifier_G4DDK.gif11-Feb-2012 16:58 141K 
[IMG]455kHz_90dBc-Carrier-Rej_DSB_Mod_G3TAG.gif11-Feb-2012 16:58 88K 
[IMG]455kHz_Wobbulator.gif11-Feb-2012 16:58 143K 
[IMG]Broadband_Amplifier_Ct_Current_Source.gif11-Feb-2012 16:58 59K 
[IMG]CMOS_Keyer_HB9ABO.gif11-Feb-2012 16:58 182K 
[IMG]Fan_Speed_Temperature_Controller_DH8AG.gif11-Feb-2012 16:58 27K 
[IMG]HF_Single_Coax_Broadband_Balun_W1JR.gif11-Feb-2012 16:58 63K 
[IMG]Low_Power_SWR-Meter_DL2EWN.gif11-Feb-2012 16:58 107K 
[IMG]NBFM_Crystal_Limiter-Discriminator.gif11-Feb-2012 16:58 109K 
[IMG]Phase _Relations_Polyphase_Network.gif11-Feb-2012 16:58 90K 
[IMG]Short-Wave_Noise_Generator.gif11-Feb-2012 16:58 14K 
[IMG]SSB_Polyphase_Modulator_G3PLX.gif11-Feb-2012 16:58 157K 
[IMG]Temperature_Protection_DH8AG.gif11-Feb-2012 16:58 14K 
[IMG]VHF_Super-Regen_RX_ZL3VN.gif11-Feb-2012 16:58 158K 
[IMG]Weiss_FM_Demodulator_F9JR.gif11-Feb-2012 16:58 103K 
[IMG]Wideband_Scanner_Active_Antenna.gif11-Feb-2012 16:58 24K 
[IMG]Wideband_Temp_Independent_Noise_Source.gif11-Feb-2012 16:59 56K 
[IMG]1.6MHz-32MHz_Signal_Gen_W4LJD.gif27-Feb-2012 14:55 228K 
[IMG]1108MHz_LO_K0JB.gif27-Feb-2012 14:55 110K 
[IMG]1296MHz_LO_K1CLL.gif27-Feb-2012 14:55 69K 
[IMG]5MHz-5.5MHz_VFO.gif27-Feb-2012 14:56 59K 
[IMG]7MHz-7.1MHz_VFO.gif27-Feb-2012 14:56 68K 
[IMG]90-deg_Phase_Shift.gif27-Feb-2012 14:56 63K 
[IMG]CMOS_Iambic_Keyer_WA5KPG.gif27-Feb-2012 14:56 192K 
[IMG]CW_Speed_WPM_Control_KD7S.gif27-Feb-2012 14:56 159K 
[IMG]HF_All-bands_Simple_DCR.gif27-Feb-2012 14:56 278K 
[IMG]Mic_Preamp_Compressor_VE3GSP.gif27-Feb-2012 14:56 93K 
[IMG]Mini-MOS_Iambic_Keyer_WA6EGY.gif27-Feb-2012 14:56 264K 
[IMG]Planar_Resonators_and_Equations.gif27-Feb-2012 14:56 53K 
[IMG]Smart-Squelch_for_SSB_W9MKV.gif27-Feb-2012 14:56 269K 
[IMG]100Hz-10kHz_Function_Generator_KC3ZQ.gif09-Mar-2012 09:06 173K 
[IMG]10GHz_Small_ATV_TX_HB9SLV.gif09-Mar-2012 09:06 177K 
[IMG]10m_DSB_TX_WA4ADG.gif09-Mar-2012 09:06 205K 
[IMG]10MHz_Low_Phase_Noise_X-tal_LO_Driscoll.gif09-Mar-2012 09:06 29K 
[IMG]11.2MHz_X-tal_LO_Driscoll_KO4BB.gif09-Mar-2012 09:06 90K 
[IMG]144MHz-to-HF_RX_Converter.gif09-Mar-2012 09:06 134K 
[IMG]19.9MHz_VXO.gif09-Mar-2012 09:06 94K 
[IMG]30_meters_Plus_RX_N4EY.gif09-Mar-2012 09:07 379K 
[IMG]400kHz-33MHz_Signal-Gen_N2DCH.gif09-Mar-2012 09:07 246K 
[IMG]455kHz_10.7MHz_IF-Amp_MC1350.gif09-Mar-2012 09:07 37K 
[IMG]5th_Overtone_Tune_X-tal_LO.gif09-Mar-2012 09:07 148K 
[IMG]80m-40m-30m_SP-5_QRP_TRX_WA8TXT.gif09-Mar-2012 09:07 516K 
[IMG]80m-40m_RX_DCR_WA0RBR.gif09-Mar-2012 09:07 221K 
[IMG]80MHz_X-tal_LO_Driscoll_KO4BB.gif09-Mar-2012 09:07 38K 
[IMG]9MHz_CW_Roofing_Filter_PA3AKE.gif09-Mar-2012 09:07 20K 
[IMG]9MHz_High-IP3_Quad-JFET_Amp_PA3AKE.gif09-Mar-2012 09:07 9.8K 
[IMG]9MHz_SSB_Roofing_Filter_PA3AKE.gif09-Mar-2012 09:07 36K 
[IMG]Charge-Pump_Voltage_Doubler_with_Regulator.gif09-Mar-2012 09:07 109K 
[IMG]Choke_Inductance_Checker_W8VWX.gif09-Mar-2012 09:07 148K 
[IMG]CW_Regenerator-Processor_W6GXN.gif09-Mar-2012 09:07 158K 
[IMG]Digital_Mixer_LPF_x2_Multiplier.gif09-Mar-2012 09:08 96K 
[IMG]HF_Electroluminiscent_RX.gif09-Mar-2012 09:08 177K 
[IMG]HF_High_IP3_LNA_UR3IQO.gif09-Mar-2012 09:08 15K 
[IMG]Inductor_Gauge_Meter.gif09-Mar-2012 09:08 182K 
[IMG]JB_Simplest_Keyer_KU8K.gif09-Mar-2012 09:08 68K 
[IMG]LED_Morse_Code_Decoder.gif09-Mar-2012 09:08 95K 
[IMG]Low_Phase_Noise_X-tal_LO_KO4BB.gif09-Mar-2012 09:08 53K 
[IMG]Medium_Wave_DX_RX.gif09-Mar-2012 09:08 201K 
[IMG]Optical_LED_TX.gif09-Mar-2012 09:08 79K 
[IMG]Simple_CMOS_Keyer_for_QRP_WB8VGE.gif09-Mar-2012 09:08 150K 
[IMG]Speech_Processor_with_ALC_K9EUI.gif09-Mar-2012 09:08 101K 
[IMG]SW_General_Coverage_RX.gif09-Mar-2012 09:08 178K 
[IMG]SW_RX_Tube-to-Solid_State_Equivalent_W5JJ.gif09-Mar-2012 09:08 304K 
[IMG]Two_Transistors_Receiver.gif09-Mar-2012 09:08 137K 
[IMG]UnUn_Unbalanced_to_Unbalanced_Transformers.gif09-Mar-2012 09:08 108K 
[IMG]VHF_RX_Converter_W8RHR.gif09-Mar-2012 09:09 608K 
[IMG]1.3GHz_Cross-Coupled_Reson_uStrip_BPF.gif16-Mar-2012 18:25 79K 
[IMG]1.3GHz_uStrip_Slow-Wave_Resonator.gif16-Mar-2012 18:25 18K 
[IMG]1.5GHz_4-pole_Elliptic_uStrip_BPF.gif16-Mar-2012 18:25 22K 
[IMG]1.5GHz_Cut-off_Quasilumped_uStrip_HPF.gif16-Mar-2012 18:26 19K 
[IMG]1.5GHz_Cut-off_uStrip_HPF.gif16-Mar-2012 18:26 22K 
[IMG]1.6GHz_2-pole_Dual-Mode_uStrip_BPF.gif16-Mar-2012 18:26 17K 
[IMG]10GHz_Cut-off_uStrip_LPF.gif16-Mar-2012 18:26 32K 
[IMG]10GHz_ustrip_BPF.gif16-Mar-2012 18:26 21K 
[IMG]144MHz_Synthesizer_WA4DSY.gif16-Mar-2012 18:26 424K 
[IMG]1800MHz_8-pole_Quasi-Elliptic_uStrip_BPF.gif16-Mar-2012 18:26 45K 
[IMG]1GHz_3-pole_Open-Stub_uStrip_LPF.gif16-Mar-2012 18:26 17K 
[IMG]1GHz_3-pole_uStrip_LPF.gif16-Mar-2012 18:26 17K 
[IMG]1GHz_4-pole_Dual-Mode_Open-Loop_uStrip_BPF.gif16-Mar-2012 18:26 73K 
[IMG]1GHz_Cut-off_Elliptic_uStrip_LPF.gif16-Mar-2012 18:26 22K 
[IMG]1GHz_Dual-Mode_Open-Loop_BPF.gif16-Mar-2012 18:26 57K 
[IMG]2.4GHz-5.6GHz_Dual-Band_uStrip_BPF.gif16-Mar-2012 18:26 108K 
[IMG]2.4GHz_uStrip_Band_Reject_Filter.gif16-Mar-2012 18:26 23K 
[IMG]2.7GHz-3.3GHz_Dual-Band_Cross-Coupled_Reson_BPF.gif16-Mar-2012 18:26 61K 
[IMG]2GHz_4-Pole_TL_uStrip_BPF.gif16-Mar-2012 18:26 28K 
[IMG]2GHz_5-Pole_Hair-Pin_BPF.gif16-Mar-2012 18:26 29K 
[IMG]2GHz_5-pole_Interdigital_uStrip_BPF.gif16-Mar-2012 18:26 29K 
[IMG]2GHz_Combline_uStrip_BPF.gif16-Mar-2012 18:26 29K 
[IMG]2GHz_Extracted-Pole_uStrip_BPF.gif16-Mar-2012 18:26 30K 
[IMG]2GHz_Open-Circuited_Stubs_uStrip_BPF.gif16-Mar-2012 18:26 25K 
[IMG]2GHz_Pseudocombline_uStrip_BPF.gif16-Mar-2012 18:26 22K 
[IMG]2GHz_Pseudointerdigital_uStrip_BPF.gif16-Mar-2012 18:26 28K 
[IMG]2GHz_Short-Circuited_Stubs_uStrip_BPF.gif16-Mar-2012 18:26 23K 
[IMG]3.3GHz_4-pole_Dual-Mode_uStrip_BPF.gif16-Mar-2012 18:26 24K 
[IMG]4.5GHz_Edge-Coupled_uStrip_BPF.gif16-Mar-2012 18:26 23K 
[IMG]434MHz_GaAs_LNA_DJ5QX.gif16-Mar-2012 18:26 29K 
[IMG]4GHz_Dual-Mode_Triangular-Patch_Reson_Filter.gif16-Mar-2012 18:26 38K 
[IMG]6GHz_3-Pole_End-coupled_uStrip_BPF.gif16-Mar-2012 18:26 14K 
[IMG]800MHz-900MHz_LNA.gif16-Mar-2012 18:26 14K 
[IMG]820MHz_Dual-Mode_Fractal_uStrip_BPF.gif16-Mar-2012 18:26 56K 
[IMG]825MHz_CQ_uStrip_BPF.gif16-Mar-2012 18:26 28K 
[IMG]900MHz_Trisection_uStrip_BPF.gif16-Mar-2012 18:26 24K 
[IMG]950MHz_Linear-Phase_uStrip_BPF.gif16-Mar-2012 18:27 21K 
[IMG]Headphone_MOSFET_Amp.gif16-Mar-2012 18:27 40K 
[IMG]On-Board_Aircraft_Crystal_AM_RX.gif16-Mar-2012 18:27 29K 
[IMG]Tunable_Combline_uStrip_BPF.gif16-Mar-2012 18:27 69K 
[IMG]Tunable_Dual-Mode_Single_Bias_BPF.gif16-Mar-2012 18:27 57K 
[IMG]Tunable_Open-Loop_uStrip_BPF.gif16-Mar-2012 18:27 98K 
[IMG]uStrip_Bias_Tee_with_Radial_Stubs.gif16-Mar-2012 18:27 26K 
[IMG]UWB_5-pole_CPW-uStrip_BPF.gif16-Mar-2012 18:27 82K 
[IMG]UWB_5-pole_Short-Circuit_Stubs_uStrip_BPF.gif16-Mar-2012 18:27 69K 
[IMG]UWB_9-pole_Short-Circuit_Stubs_BPF.gif16-Mar-2012 18:27 45K 
[IMG]UWB_Triple-Mode_uStrip_BPF.gif16-Mar-2012 18:27 34K 
[IMG]UWB_uStrip_BPF_with_Coupled-Lines_Notch.gif16-Mar-2012 18:27 61K 
[IMG]UWB_uStrip_BPF_with_Embedded_Notch.gif16-Mar-2012 18:27 56K 
[IMG]UWB_uStrip_Stop_Band_Filter.gif16-Mar-2012 18:27 44K 
[IMG]Harmonics_Detector.gif24-Mar-2012 15:03 259K 
[IMG]20m_QRP_CW_TRX_WB6NKJ.gif26-Mar-2012 16:52 405K 
[IMG]2m-to-10m_FM_TRV_WB5IPM.gif26-Mar-2012 16:52 759K 
[IMG]30m-40m_QRP_TRX_NZ5G.gif26-Mar-2012 16:53 455K 
[IMG]455kHz_BFO_Filter_for_SW_RX_WB4KTY.gif26-Mar-2012 16:53 110K 
[IMG]5GHz_Interdigital_uStrip_BPF.gif26-Mar-2012 16:53 38K 
[IMG]80m-40m_Innovative_Active_Ant_W2EEY.gif26-Mar-2012 16:53 144K 
[IMG]80m_QRP_TRX_G3IGU.gif26-Mar-2012 16:53 608K 
[IMG]BFO_for_SSB-CW_SW_RX.gif26-Mar-2012 16:53 85K 
[IMG]Calibrated_Field_Strength_Meter_VE3CES.gif26-Mar-2012 16:53 98K 
[IMG]Equivalent_Circuits_for_uStrip_Line_Resonators.gif26-Mar-2012 16:53 53K 
[IMG]Fun_Radio_W6WTU.gif26-Mar-2012 16:53 104K 
[IMG]Harmonic_Utility_Converter_K4DHC.gif26-Mar-2012 16:53 498K 
[IMG]JFET_Pinch-Off_Voltage_Meter.gif26-Mar-2012 16:53 111K 
[IMG]No-Wires_3-Ant_Switch_100W_WB5SFB.gif26-Mar-2012 16:53 137K 
[IMG]Planar_Baluns_Configurations.gif26-Mar-2012 16:54 63K 
[IMG]Pure_Sine-Wave_Wien_Oscillator.gif26-Mar-2012 16:54 92K 
[IMG]SiGe_MMIC_LNA.gif26-Mar-2012 16:54 46K 
[IMG]Spectrum_Analyzer_using_TV-Tuner_W6WTU.gif26-Mar-2012 16:54 160K 
[IMG]Tube-Type_Diper_K4LJA.gif26-Mar-2012 16:54 123K 
[IMG]VLF-to-80m_RX_Converter_WD4PLI.gif26-Mar-2012 16:54 274K 
[IMG]Wide-Range_Ant_Tuner_SWR-meter_VE1TG.gif26-Mar-2012 16:54 225K 
[IMG]1.3GHz-2.4GHz_Cup_Dipole_Horn_Ant_G8ATD.gif10-Apr-2012 05:27 33K 
[IMG]1.3GHz-2.4GHz_Short_Backfire_Ant_G8ATD.gif10-Apr-2012 05:27 43K 
[IMG]1.3GHz_45W_PA_G8ATD.gif10-Apr-2012 05:27 263K 
[IMG]1.3GHz_Circular_Waveguide_Horn_G8ATD.gif10-Apr-2012 05:27 14K 
[IMG]100kHz-100MHz_PLL_Synthesizer.gif10-Apr-2012 05:27 105K 
[IMG]106.4MHz-639MHz_Freq_Multiplier_W1VT.gif10-Apr-2012 05:27 100K 
[IMG]10GHz_2W_PA_W1RIL.gif10-Apr-2012 05:27 72K 
[IMG]10GHz_BPF_W1VT.gif10-Apr-2012 05:27 38K 
[IMG]10GHz_TRX_from_Radar_Detector_WA5VJB.gif10-Apr-2012 05:27 112K 
[IMG]10m_DSB_TX_K4EPI.gif10-Apr-2012 05:27 193K 
[IMG]112MHz-to-448MHz_Multiplier_WA1HVG.gif10-Apr-2012 05:28 115K 
[IMG]144MHz-to-28MHz_RX_Converter_K1CLL.gif10-Apr-2012 05:28 102K 
[IMG]144MHz_25W_FM_PA.gif10-Apr-2012 05:28 28K 
[IMG]144MHz_FM_TX_WB6BIH.gif10-Apr-2012 05:28 201K 
[IMG]29.450MHz_to_7MHz_RX_Converter_W2EEY.gif10-Apr-2012 05:28 116K 
[IMG]3-30MHz_2W_QRP_PA.gif10-Apr-2012 05:28 31K 
[IMG]3-digit_Capacimeter_W3KBM.gif10-Apr-2012 05:28 136K 
[IMG]3456MHz_TRV_W1VT.gif10-Apr-2012 05:28 240K 
[IMG]350MHz-650MHz_MMIC_VCO_G8ATD.gif10-Apr-2012 05:28 21K 
[IMG]448MHz_5W_PA_WA1HVG.gif10-Apr-2012 05:28 148K 
[IMG]639MHz-to-2556MHz_Freq_Multiplier_W1VT.gif10-Apr-2012 05:28 94K 
[IMG]80m_SSB_Superhet_RX_K4DHC.gif10-Apr-2012 05:28 223K 
[IMG]Circular_Waveguide_Horn_Design_G8ATD.gif10-Apr-2012 05:28 21K 
[IMG]FM_5W_SENTOR_TX.gif10-Apr-2012 05:28 71K 
[IMG]Helical_Filter_Calculation.gif10-Apr-2012 05:28 87K 
[IMG]Low_Noise_Compressor_Clipper_VE3GSP.gif10-Apr-2012 05:28 112K 
[IMG]Microwave_Dipole_Semirigid_Coax_G8ATD.gif10-Apr-2012 05:28 21K 
[IMG]MW_20W_AM_PA_DK1KQ.gif10-Apr-2012 05:28 73K 
[IMG]Narrow-Band_LC_Matching_Networks.gif10-Apr-2012 05:28 50K 
[IMG]PLL_Steps_100kHz_SPI.gif10-Apr-2012 05:28 162K 
[IMG]Radar_Detector_W1SNN.gif10-Apr-2012 05:29 536K 
[IMG]Variable_Controlled_Crystal_LO_WA1HVG.gif10-Apr-2012 05:29 106K 
[IMG]VHF_50W_FM_PA.gif10-Apr-2012 05:29 5.1K 
[IMG]VHF_LNA_WA4WDK.gif10-Apr-2012 05:29 96K 
[IMG]0.5-to-50MHz_High-IP3_FET_LNA_DC4KU.gif20-Apr-2012 04:24 9.6K 
[IMG]1.8MHz-18MHz_5W_PA.gif20-Apr-2012 04:24 91K 
[IMG]100MHz_Butler_X-tal_LO_DL1FAC.gif20-Apr-2012 04:24 81K 
[IMG]10MHz-to-220MHz_High-IP3_Norton_LNA_DC4KU.gif20-Apr-2012 04:24 12K 
[IMG]1300MHz_Cavity_BPF_N6CA.gif20-Apr-2012 04:24 72K 
[IMG]136kHz_250W_PA_G0MRF.gif20-Apr-2012 04:24 13K 
[IMG]175MHz_15W_MOSFET_PA.gif20-Apr-2012 04:24 31K 
[IMG]20m_SSB_RX_KG4CUY.gif20-Apr-2012 04:24 315K 
[IMG]2304MHz_Cavity_BPF_N6CA.gif20-Apr-2012 04:24 12K 
[IMG]2304MHz_Low-Level_Signal_Source_W0PW.gif20-Apr-2012 04:24 37K 
[IMG]3.8MHz_SSB_Superhet_RX_K4DHC.gif20-Apr-2012 04:24 392K 
[IMG]30MHz_100W_MOSFET_PA.gif20-Apr-2012 04:24 60K 
[IMG]40m_Direct_Conversion_RX.gif20-Apr-2012 04:24 41K 
[IMG]50MHz_0-100deg_Phase_Shifter_N6CA.gif20-Apr-2012 04:24 6.1K 
[IMG]50MHz_30W_Beacon_N6CA.gif20-Apr-2012 04:25 104K 
[IMG]50MHz_High-IP3_LNA_N6CA.gif20-Apr-2012 04:25 5.8K 
[IMG]520MHz_15W_MOSFET_PA.gif20-Apr-2012 04:25 38K 
[IMG]7MHz_CW-AM_TX.gif20-Apr-2012 04:25 37K 
[IMG]7MHz_Dual-Tone_Generator_DC4KU.gif20-Apr-2012 04:25 21K 
[IMG]8MHz_Phase_Modulator_W2NSD.gif20-Apr-2012 04:25 89K 
[IMG]Antenna_BFO.gif20-Apr-2012 04:25 138K 
[IMG]Balanced-to-Balanced_4-1_Transformer_N7ZVY.gif20-Apr-2012 04:25 28K 
[IMG]CMOS_CW_Touch-Paddle_DL2AWA.gif20-Apr-2012 04:25 158K 
[IMG]Coaxial_Cables_Technical_Parameters.gif20-Apr-2012 04:25 73K 
[IMG]FM_TX_300mW.gif20-Apr-2012 04:25 40K 
[IMG]Lightening_Detector_Switch_K2AWO.gif20-Apr-2012 04:25 66K 
[IMG]Loop_Ant_Differential_FET_LNA.gif20-Apr-2012 04:25 44K 
[IMG]Loop_Ant_Push-Pull_FET_LNA.gif20-Apr-2012 04:25 56K 
[IMG]Loop_Ant_Wideband_LNA.gif20-Apr-2012 04:25 48K 
[IMG]Multiband_JFET_LNA_N6CA.gif20-Apr-2012 04:25 31K 
[IMG]VFO_Stabilizer_PY2MG.gif20-Apr-2012 04:25 34K 
[IMG]10GHz_TRX_W1SNN.gif06-May-2012 12:01 661K 
[IMG]10Hz-10kHz_Frequency_meter_DVM_W3HB.gif06-May-2012 12:01 126K 
[IMG]1152MHz-2176MHz_Signal_Source_KT2B.gif06-May-2012 12:01 237K 
[IMG]144MHz-28MHz_RX_Converter_REW.gif06-May-2012 12:02 244K 
[IMG]144MHz_Hybrid_LNA_W6IOJ.gif06-May-2012 12:02 163K 
[IMG]14MHz_4W_QSK_TX_WB8VGE.gif06-May-2012 12:02 159K 
[IMG]15.5MHz-to-16.1MHz_VFO.gif06-May-2012 12:02 125K 
[IMG]2304-to-144MHz_RX_Converter_KT2B.gif06-May-2012 12:02 134K 
[IMG]2304MHz_TRV_WA0IQN.gif06-May-2012 12:02 124K 
[IMG]2314MHz-to-63MHz_Converter.gif06-May-2012 12:02 462K 
[IMG]40m_Rock-Bender_3W_TX_WI5W.gif06-May-2012 12:02 76K 
[IMG]80m-40m-30m_Superhet_RX_WA6IVC.gif06-May-2012 12:02 285K 
[IMG]Antenna_Resistive_Bridge_W3MT.gif06-May-2012 12:02 284K 
[IMG]Dish_Antenna_Calculation.gif06-May-2012 12:02 71K 
[IMG]HF_FLL_Synthesizer.gif06-May-2012 12:03 526K 
[IMG]Memory_Keyer_WA1ZFW.gif06-May-2012 12:03 314K 
[IMG]MW_Cosmic_Crystal_Set_WA8YKN.gif06-May-2012 12:03 314K 
[IMG]Three-Post_Two-Sections_Cavity_Filters_W1GHz.gif06-May-2012 12:03 148K 
[IMG]1013MHz_2MHz-BW_Cavity_Filter.gif08-Jun-2012 17:41 81K 
[IMG]137kHz_CW_TX_G3LDO.gif08-Jun-2012 17:41 162K 
[IMG]137kHz_Low-Frequency_Field_Meter_PA0SE.gif08-Jun-2012 17:41 172K 
[IMG]144MHz_FM_Signal_Generator_ZR6UM.gif08-Jun-2012 17:41 211K 
[IMG]144MHz_Portable_LNA.gif08-Jun-2012 17:41 91K 
[IMG]200kHz_X-tal_LO_W6GXN.gif08-Jun-2012 17:41 88K 
[IMG]3.58MHz_Buterworth_SSB_X-tal_Filter_W7ZOI.gif08-Jun-2012 17:41 77K 
[IMG]432MHz-to-Ch2_ATV_Converter_W9NTP.gif08-Jun-2012 17:42 442K 
[IMG]50MHz_RX_Converter_WB4KMB.gif08-Jun-2012 17:42 166K 
[IMG]88MHz-108MHz_FM_Wireless_TX.gif08-Jun-2012 17:42 88K 
[IMG]Discrete_I-Q_Modulator.gif08-Jun-2012 17:42 143K 
[IMG]High-IP3_DMOS_Mixer_SD8901.gif08-Jun-2012 17:42 90K 
[IMG]High-Level_Quad-JFET_Mixer_Oxner.gif08-Jun-2012 17:42 33K 
[IMG]Masher_Speech_Processor.gif08-Jun-2012 17:42 88K 
[IMG]PLL_Capacimeter_WA0ZCR.gif08-Jun-2012 17:42 190K 
[IMG]Remote_Field_Strength_Meter_W2IMB.gif08-Jun-2012 17:42 168K 
[IMG]S-Band_Ultra_Low_Noise_Amplifier.gif08-Jun-2012 17:42 29K 
[IMG]Touch-Paddle_Keyer_W0OGX.gif08-Jun-2012 17:42 277K 
[IMG]10m_Preamp_W3HUC.gif15-Jun-2012 06:06 61K 
[IMG]11MHz-34MHz_VCO_Const_Amplitude.gif15-Jun-2012 06:06 126K 
[IMG]135MHz-139MHz_VCO_W2EUP.gif15-Jun-2012 06:06 195K 
[IMG]144MHz-HF_PLL_Trv_W4BF.gif15-Jun-2012 06:06 523K 
[IMG]146MHz_FM_Deviation_Meter_KA8OBL.gif15-Jun-2012 06:06 236K 
[IMG]20m_Micro-20_RX_K1BQT.gif15-Jun-2012 06:06 659K 
[IMG]400MHz-500MHz_Source_Dipper_WB0ESV.gif15-Jun-2012 06:07 77K 
[IMG]40m_5W_MOSFET_PA_WB8VGE.gif15-Jun-2012 06:07 103K 
[IMG]440MHz_60W_PA_W2GEF.gif15-Jun-2012 06:07 222K 
[IMG]5MHz-5.5MHz_VFO_FT-707.gif15-Jun-2012 06:07 70K 
[IMG]5MHz_Oven_Controlled_VXO_W2EUP.gif15-Jun-2012 06:07 381K 
[IMG]80m-6m_Vackar_VFO.gif15-Jun-2012 06:07 137K 
[IMG]HF_AM-CW-SSB_RX.gif15-Jun-2012 06:07 437K 
[IMG]HF_Signal_Generator.gif15-Jun-2012 06:07 178K 
[IMG]No-Transformer_Phase-Splitter.gif15-Jun-2012 06:07 49K 
[IMG]Single-Stage_Push-Pull_Audio_PA.gif15-Jun-2012 06:07 48K 
[IMG]Stable_BFO.gif15-Jun-2012 06:07 91K 
[IMG]Up-to-1000MHz_Freq_Multiplier_W6WTU.gif15-Jun-2012 06:07 118K 
[IMG]Weaver_SSB_Generator.gif15-Jun-2012 06:07 210K 
[IMG]10.3GHz_Horn_for_Offset_Dish_RA3WDK.gif23-Jun-2012 17:23 219K 
[IMG]10368MHz_FeedHorn_RA3WDK.gif23-Jun-2012 17:23 190K 
[IMG]10GHz_TRX_Blocks_WB6IGP.gif23-Jun-2012 17:23 285K 
[IMG]10m_Superhet_RX_WB2AGV.gif23-Jun-2012 17:23 609K 
[IMG]1296MHz_GaAs_LNA_RA3WDK.gif23-Jun-2012 17:23 41K 
[IMG]13.8V-30A_Single-HexFet_PS_RA3WDK.gif23-Jun-2012 17:23 263K 
[IMG]144MHz-28MHz_TRV_Light_RA3WDK.gif23-Jun-2012 17:23 173K 
[IMG]144MHz-28MHz_TRV_Pro_RA3WDK.gif23-Jun-2012 17:23 268K 
[IMG]144MHz-432MHz_GaAs_LNA_OZ1PIF.gif23-Jun-2012 17:23 26K 
[IMG]1Hz-10MHz_50ns-500ms_Pulse_Generator.gif23-Jun-2012 17:23 88K 
[IMG]1pF-1uF_4-digits_Capacimeter.gif23-Jun-2012 17:23 341K 
[IMG]20m_Superhet_TRX_WB5IPM.gif23-Jun-2012 17:24 1.0M 
[IMG]220MHz_22MHz_TRV_W6YUY.gif23-Jun-2012 17:24 559K 
[IMG]2MHz_Function_Gen_KB4ZGC.gif23-Jun-2012 17:24 117K 
[IMG]300kHz-3MHz_Sq-Wave_Few-nsec_Rise-Time.gif23-Jun-2012 17:24 69K 
[IMG]30A_Variable_PS_HexFet_RA3WDK.gif23-Jun-2012 17:24 81K 
[IMG]30m_QRP_CW_TX_WB8VGE.gif23-Jun-2012 17:24 91K 
[IMG]40m_DSB-CW_QRP_TX_WA5WWN.gif23-Jun-2012 17:24 124K 
[IMG]50dB_Dynamic_Range_Compressor.gif23-Jun-2012 17:24 146K 
[IMG]80m-40m-30m_SP-10_TRX_WA8TXT.gif23-Jun-2012 17:25 522K 
[IMG]80m-40m-30m_SP-1_TRX_WA8TXT.gif23-Jun-2012 17:25 426K 
[IMG]Audible_Tuner_for_Blind_Hams_WA4LBX.gif23-Jun-2012 17:25 102K 
[IMG]Audio_Function_Gen.gif23-Jun-2012 17:25 218K 
[IMG]Badger_1-1_Balun.gif23-Jun-2012 17:25 46K 
[IMG]Capacimeter_MK5009_W4VGZ.gif23-Jun-2012 17:25 170K 
[IMG]CW_Regeneration_Processor_W4RNL.gif23-Jun-2012 17:25 403K 
[IMG]Differential_Low-Noise_Mike_Amp.gif23-Jun-2012 17:25 97K 
[IMG]Dip_Meter_WB0ESV.gif23-Jun-2012 17:25 196K 
[IMG]Direct_Reading_Inductance_Meter_W8VWX.gif23-Jun-2012 17:25 67K 
[IMG]Dual_Ladder_Filter_SSB_N2DCH.gif23-Jun-2012 17:25 155K 
[IMG]F-to-2F,4F_Multipliers_RA3WDK.gif23-Jun-2012 17:25 61K 
[IMG]F-to-3F,5F_Multiplier_RA3WDK.gif23-Jun-2012 17:26 26K 
[IMG]Inductor_Q-meter_N7APE.gif23-Jun-2012 17:26 193K 
[IMG]No_Tuned_Circuits_X-tal_Filter_.gif23-Jun-2012 17:26 95K 
[IMG]Pulse_Generator_WA3RJS.gif23-Jun-2012 17:26 137K 
[IMG]Reisert_Cross-Over_1-1_Coaxial_Balun.gif23-Jun-2012 17:26 53K 
[IMG]Self_Completing_Keyer_W2GOM.gif23-Jun-2012 17:26 169K 
[IMG]Short-Wave_RX_WB4NEX.gif23-Jun-2012 17:26 429K 
[IMG]Speech_Expander_VE1BZJ.gif23-Jun-2012 17:26 216K 
[IMG]Speech_Processor_W0YBF.gif23-Jun-2012 17:26 280K 
[IMG]Two_Marker_Generators.gif23-Jun-2012 17:26 173K 
[IMG]VFO_Stabilizer_DC4KU.gif23-Jun-2012 17:26 209K 
[IMG]VHF-UHF_to_10m_Converters_WB2AGV.gif23-Jun-2012 17:26 497K 
[IMG]VLF_to_10MHz_Converter_W3QVZ.gif23-Jun-2012 17:27 145K 
[IMG]10MHz-to300MHz_Multiplier_DB1OV.gif03-Jul-2012 11:08 82K 
[IMG]12V-20A_PNP_PS.gif03-Jul-2012 11:09 45K 
[IMG]2m_FM_RX_G3ZOI.gif03-Jul-2012 11:09 73K 
[IMG]3.5W_Low_Distortion_Audio_PA.gif03-Jul-2012 11:09 34K 
[IMG]432MHz-to-144MHz_TRV_DF1JM.gif03-Jul-2012 11:09 120K 
[IMG]432MHz-to-28MHz_RX_Converter_DF1JM.gif03-Jul-2012 11:09 33K 
[IMG]455kHz_Stable_Ceramic_Resonator_BFO_WN5Y.gif03-Jul-2012 11:09 4.5K 
[IMG]HF_High-IP3_Push-Pull_LNA_WN5Y.gif03-Jul-2012 11:09 11K 
[IMG]High-IP3_Push-Pull_LNA_2N5109.gif03-Jul-2012 11:09 26K 
[IMG]Low_Band_High-IP3_LNA_W7IUV.gif03-Jul-2012 11:09 36K 
[IMG]Noise_Gen_up-to_2GHz_DF1JM.gif03-Jul-2012 11:09 7.4K 
[IMG]1296MHz_GaAs_LNA_OZ2OE.gif11-Jul-2012 09:00 111K 
[IMG]144MHz_BF981_LNA_OZ2OE.gif11-Jul-2012 09:00 182K 
[IMG]144MHz_GaAs_LNA_ON4KHG.gif11-Jul-2012 09:00 116K 
[IMG]20MHz-30MHz_LNA_OZ2OE.gif11-Jul-2012 09:00 104K 
[IMG]432MHz_GaAs_LNA_OZ2OE.gif11-Jul-2012 09:01 130K 
[IMG]50MHz_SSB_TRX_JR1PWZ.gif11-Jul-2012 09:01 212K 
[IMG]9MHz_IF_Demod.gif11-Jul-2012 09:01 169K 
[IMG]All_Bands_PLL_JR1PWZ.gif11-Jul-2012 09:01 111K 
[IMG]DCR_RX_PY2RLM.gif11-Jul-2012 09:01 16K 
[IMG]High_Linearity_Mixer_Diplexer_IF-Amp.gif11-Jul-2012 09:01 11K 
[IMG]SW_AM-SSB_RX_TDA1572.gif11-Jul-2012 09:01 229K 
[IMG]SW_AM_RX_TDA1072.gif11-Jul-2012 09:01 69K 
[IMG]Balanced_Antenna_Tuner_W4MMQ.gif11-Jul-2012 09:32 70K 
[IMG]1.6MHz-33MHz_Signal_Gen_ZL2PD.gif12-Jul-2012 06:12 59K 
[IMG]144MHz_Front-End_to_10MHz-IF.gif12-Jul-2012 06:12 103K 
[IMG]150kHz-34MHz_Signal_Generator.gif12-Jul-2012 06:12 67K 
[IMG]15MHz_30MHz_Linear_Amplifier.gif12-Jul-2012 06:12 78K 
[IMG]200MHz_Gate_Injection_FET_Mixer.gif12-Jul-2012 06:12 27K 
[IMG]200MHz_LO-Trap_Source_Injection_FET_Mixer.gif12-Jul-2012 06:12 31K 
[IMG]200MHz_Source_Injection_FET_Mixer.gif12-Jul-2012 06:12 27K 
[IMG]27MHz_4W_Class-D_TX.gif12-Jul-2012 06:12 46K 
[IMG]300Hz_12kHz_Audio_Sign_Gen_ZL2PD.gif12-Jul-2012 06:12 72K 
[IMG]3_Tones_Controlled_Relay.gif12-Jul-2012 06:12 59K 
[IMG]400Hz_30MHz_Single-Span_Gen_ZL2PD.gif12-Jul-2012 06:12 44K 
[IMG]450kHz-60MHz_Signal_Gen_ZL2PD.gif12-Jul-2012 06:12 78K 
[IMG]Broadcast_FM_80W_PA.gif12-Jul-2012 06:12 135K 
[IMG]CMOS_Morse_Keyer_ZL2PD.gif12-Jul-2012 06:12 14K 
[IMG]HF_Antenna_Analyzer_ZL2PD.gif12-Jul-2012 06:12 314K 
[IMG]Source-Coupled_FET_VFO.gif12-Jul-2012 06:12 21K 
[IMG]Variable_Delay_Circuit.gif12-Jul-2012 06:12 76K 
[IMG]1.3GHz_30W_PA_F4CIB.gif19-Jul-2012 13:25 40K 
[IMG]10.7MHz_VXO_K1BLA.gif19-Jul-2012 13:25 12K 
[IMG]10GHz_ATV_Modulator_Gunn-Diode_GW6BWX.gif19-Jul-2012 13:25 116K 
[IMG]10GHz_LNA_G3WDG.gif19-Jul-2012 13:25 46K 
[IMG]1296MHz_Single-Diode_Mixer.gif19-Jul-2012 13:25 20K 
[IMG]137kHz_VFX.gif19-Jul-2012 13:25 37K 
[IMG]144MHz_140mW_Beacon_Oscar-1.gif19-Jul-2012 13:26 45K 
[IMG]20m_Regen_RX_F9GY.gif19-Jul-2012 13:26 20K 
[IMG]20m_Regen_RX_G3RJT.gif19-Jul-2012 13:26 13K 
[IMG]4-events_Relay_Sequencer_W6PQL.gif19-Jul-2012 13:26 78K 
[IMG]4.43MHz_9-poles_SSB_Filter.gif19-Jul-2012 13:26 9.9K 
[IMG]50MHz_16W_IRF610_PA.gif19-Jul-2012 13:26 12K 
[IMG]80m-20m_Regen_RX_GI3XZM.gif19-Jul-2012 13:26 44K 
[IMG]9MHz_SSB_Phasing_Exciter.gif19-Jul-2012 13:26 105K 
[IMG]AGC_PIN_Attenuator2.gif19-Jul-2012 13:26 29K 
[IMG]Butler_VXO_Fundament-or-Overtone.gif19-Jul-2012 13:26 11K 
[IMG]Butler_X-tal_Tester_Anti-Resonat_Freq.gif19-Jul-2012 13:26 21K 
[IMG]DBM_BJT_without_Transformers.gif19-Jul-2012 13:26 7.2K 
[IMG]Differential_Dual-Hybrid_Mixer.gif19-Jul-2012 13:26 24K 
[IMG]Differential_Hybrid_Mixer.gif19-Jul-2012 13:26 16K 
[IMG]Dual-Gate_low-LO_Balanced_Mixer.gif19-Jul-2012 13:26 9.3K 
[IMG]Gamma-Omega_Ant_Match.gif19-Jul-2012 13:26 14K 
[IMG]HF_100W_Cheap_MOSFET_PA_G0MRF.gif19-Jul-2012 13:26 61K 
[IMG]HF_Ant_Tuner-Switch_G3TSO.gif19-Jul-2012 13:26 102K 
[IMG]HF_BPF-LPF.gif19-Jul-2012 13:26 71K 
[IMG]HF_Low-Medium_Power_PAs.gif19-Jul-2012 13:26 65K 
[IMG]High_IP3_Balanced_JFET_Mixer.gif19-Jul-2012 13:26 8.5K 
[IMG]High_IP3_Power-MOSFET_LNA.gif19-Jul-2012 13:26 26K 
[IMG]MFJ_Versa-V_Ant_Tuner.gif19-Jul-2012 13:26 54K 
[IMG]Modified_Z-Match_Tuner.gif19-Jul-2012 13:26 109K 
[IMG]Quad_JFET_DBM_Mixer.gif19-Jul-2012 13:26 31K 
[IMG]RF_Core_AGC.gif19-Jul-2012 13:26 37K 
[IMG]RF_Tuner_for_Mobile_Ant_G3TSO.gif19-Jul-2012 13:26 49K 
[IMG]SSB_Modulator_SBL-1.gif19-Jul-2012 13:26 12K 
[IMG]Two-Ant_Interference_Canceling_Circ_VK8BR.gif19-Jul-2012 13:26 28K 
[IMG]TX_ALC_DH1DM.gif19-Jul-2012 13:26 8.1K 
[IMG]VLF_Tuner_and_Preamp.gif19-Jul-2012 13:26 34K 
[IMG]1.3GHz_Signal_Source_G4DDK.gif12-Aug-2012 12:18 40K 
[IMG]100kHz-100MHz_Sweep_VCO.gif12-Aug-2012 12:18 75K 
[IMG]10GHz_144MHz_TRV_G3WDG.gif12-Aug-2012 12:18 315K 
[IMG]10GHz_1W_PA_IW9ARO.gif12-Aug-2012 12:18 29K 
[IMG]13.8V_20A_BUZ11_PS.gif12-Aug-2012 12:19 100K 
[IMG]144MHz-432MHz_Diplexer.gif12-Aug-2012 12:19 119K 
[IMG]144MHz_350W_SD1477_PA.gif12-Aug-2012 12:19 166K 
[IMG]1GHz_Zero-Order-Resonators_BPF.gif12-Aug-2012 12:19 74K 
[IMG]1MHz-25MHz_Clock_Oscillator.gif12-Aug-2012 12:19 8.8K 
[IMG]2.4GHz_NF-0.7dB_NE34018_LNA.gif12-Aug-2012 12:19 185K 
[IMG]2.4GHz_Signal_Source_G0MRF.gif12-Aug-2012 12:19 103K 
[IMG]2.4GHz_WLAN_Field_Strength_Meter.gif12-Aug-2012 12:19 220K 
[IMG]23cm_13cm_9cm_VLNA_G4DDK.gif12-Aug-2012 12:19 142K 
[IMG]2GHz_Compact_Microstrip_LPF.gif12-Aug-2012 12:19 150K 
[IMG]432MHz_LNA_AF239.gif12-Aug-2012 12:19 20K 
[IMG]75m_Antenna_Tuner_VE7GC.gif12-Aug-2012 12:19 11K 
[IMG]80MHz-300MHz_Seiler_VCO.gif12-Aug-2012 12:19 71K 
[IMG]AGC_from_Audio_EI9GQ.gif12-Aug-2012 12:19 8.7K 
[IMG]Non-Uniform_Defected_Microstrip_LPF.gif12-Aug-2012 12:19 93K 
[IMG]Phase-Frequency_Detector_Active_Loop_Filter.gif12-Aug-2012 12:19 93K 
[IMG]Regen_SW_to_MW_RX.gif12-Aug-2012 12:19 91K 
[IMG]Short_Wave_to_MW_Convertor.gif12-Aug-2012 12:19 156K 
[IMG]Speech_Processor_for_Electret_Mike.gif12-Aug-2012 12:20 107K 
[IMG]T-and-L_Defected_Microstrip_Structures.gif12-Aug-2012 12:20 81K 
[IMG]0-to-360deg_Phase_Shifter.gif07-Sep-2012 04:10 7.8K 
[IMG]100MHz_80dB_Atten_Switch.gif07-Sep-2012 04:10 9.9K 
[IMG]200MHz_JFET_Cascode_AGC_Amp.gif07-Sep-2012 04:10 8.6K 
[IMG]20MHz_Low_Distort_JFET_LO.gif07-Sep-2012 04:10 13K 
[IMG]27MHz_400W_MOSFET_PA.gif07-Sep-2012 04:10 119K 
[IMG]30m_QRP_CW_TRX_F6BQU.gif07-Sep-2012 04:10 138K 
[IMG]30m_QRP_TRX_KD1JV.gif07-Sep-2012 04:10 104K 
[IMG]40m_QRP_TRX_KD1JV.gif07-Sep-2012 04:10 104K 
[IMG]Absorptive_PIN-diode_SPDT_Switches.gif07-Sep-2012 04:10 27K 
[IMG]DC_Current_Monitor.gif07-Sep-2012 04:10 8.6K 
[IMG]High-Q_X-tal_JFET_Oscillator.gif07-Sep-2012 04:10 4.4K 
[IMG]High_Impedance_Low_Capacitance_Amp.gif07-Sep-2012 04:10 14K 
[IMG]Low_Power_Ref_100dB_PS_Rejection.gif07-Sep-2012 04:10 4.5K 
[IMG]Non-Reflective_PIN-diode_Attenuators.gif07-Sep-2012 04:10 37K 
[IMG]PIN-diode_Multistage_Harmonics_Limiter.gif07-Sep-2012 04:10 7.5K 
[IMG]Schottky-PIN_Diode_Limiters.gif07-Sep-2012 04:11 103K 
[IMG]Super_Class-A_HiFi_20W_Audio_PA.gif07-Sep-2012 04:11 12K 
[IMG]Ultra-High_ZIN_AC_Unity_Gain_Amplifier.gif07-Sep-2012 04:11 9.5K 
[IMG]Very_Stable_X-tal_JFET_LO.gif07-Sep-2012 04:11 4.7K 
[IMG]VHF_300W_MRF151G_PA.gif07-Sep-2012 04:11 72K 
[IMG]1.5kHz-15kHz_Low_Dist_0.001%_Osc.gif16-Sep-2012 06:15 56K 
[IMG]1Hz-10MHz_V-to-F_Converter.gif16-Sep-2012 06:15 74K 
[IMG]1Hz-1MHz_Sinewave_Sign_Gen.gif16-Sep-2012 06:15 78K 
[IMG]1MHz-10MHz_VCO.gif16-Sep-2012 06:15 53K 
[IMG]3-30MHz_Colpitts_Darlington_X-tal_LO.gif16-Sep-2012 06:15 25K 
[IMG]65MHz-110MHz_Harmonic_X-tal_LO.gif16-Sep-2012 06:15 42K 
[IMG]70MHz-109MHz_PLL_TX.gif16-Sep-2012 06:15 24K 
[IMG]96MHz_High-Stability_X-tal_LO_DK1AG.gif16-Sep-2012 06:15 26K 
[IMG]Effective-Noise-Temperature_vs_Noise-Figure.gif16-Sep-2012 06:15 172K 
[IMG]HF-Whip_Antenna_Preamp_KK6IL.gif16-Sep-2012 06:15 30K 
[IMG]Low_Distortion_Wien-Bridge_Audio_Osc.gif16-Sep-2012 06:15 69K 
[IMG]Nuvistor_Audio_Preamp.gif16-Sep-2012 06:15 134K 
[IMG]Signal-to-Noise_Meter.gif16-Sep-2012 06:15 164K 
[IMG]SWR_Meter_LA8AK.gif16-Sep-2012 06:15 10K 
[IMG]144MHz_28MHz_No-Crystal_RX_Converter.gif18-Sep-2012 02:56 48K 
[IMG]1MHz_Low_Distortion_X-tal_LO_K9EUI.gif18-Sep-2012 02:56 138K 
[IMG]20kHz_Very_Low_Distortion_0.003percent_Osc.gif18-Sep-2012 02:56 35K 
[IMG]28MHz_Regen_RX.gif18-Sep-2012 02:56 60K 
[IMG]5.3GHz_Mixer.gif18-Sep-2012 02:56 39K 
[IMG]88-108MHz_1W_FM_PA.gif18-Sep-2012 02:56 9.1K 
[IMG]Dual-FET_Product_Detector_BFO_VE7BPO.gif18-Sep-2012 02:56 9.5K 
[IMG]Dual-JFET_Prod_Detector.gif18-Sep-2012 02:56 13K 
[IMG]HF_Ant_Tuner_Unbal-Bal.gif18-Sep-2012 02:56 81K 
[IMG]HF_Tuned_MOSFET_Preselector.gif18-Sep-2012 02:56 65K 
[IMG]Single_FET_Product_Detector.gif18-Sep-2012 02:56 26K 
[IMG]SW_Two-FET_Regen_RX.gif18-Sep-2012 02:56 35K 
[IMG]100kHz_Clapp_LO.gif04-Oct-2012 12:36 25K 
[IMG]108MHz-136MHz_Air-Band_Regen_RX.gif04-Oct-2012 12:36 51K 
[IMG]1MHz_Reinartz_LO.gif04-Oct-2012 12:36 31K 
[IMG]20kHz-to-5MHz_RX_Converter_Wenzel.gif04-Oct-2012 12:36 54K 
[IMG]3.57MHz_FET_VXO.gif04-Oct-2012 12:36 31K 
[IMG]3MHz-10MHz_NE602_LO.gif04-Oct-2012 12:36 32K 
[IMG]455kHz_Ceramic-Crystal_BFO.gif04-Oct-2012 12:36 78K 
[IMG]455kHz_Crystal_BFO.gif04-Oct-2012 12:36 45K 
[IMG]455kHz_LC_FET_LO.gif04-Oct-2012 12:36 41K 
[IMG]455kHz_SSB_Gen_Ceramic_Filters.gif04-Oct-2012 12:36 132K 
[IMG]48MHz_FM_X-tal_LO.gif04-Oct-2012 12:36 57K 
[IMG]5.5MHz-6MHz_PLL_VFO_for_TS130_OH2BKU.gif04-Oct-2012 12:36 110K 
[IMG]500kHz_Stable_LC_BFO.gif04-Oct-2012 12:36 98K 
[IMG]6MHz-6.4MHz_Low-Drift_VFO_N6NWP.gif04-Oct-2012 12:36 127K 
[IMG]74MHz_VCO_NA5N.gif04-Oct-2012 12:37 140K 
[IMG]8.125MHz_Elecraft-K3_X-tal_Filter.gif04-Oct-2012 12:37 78K 
[IMG]8.86MHz_SSB_X-tal_Filter_F5VOA.gif04-Oct-2012 12:37 56K 
[IMG]80m_SSB-CW_TRX_OH2BKU.gif04-Oct-2012 12:37 116K 
[IMG]AGC_for_Dynamic_Mic_Wenzel.gif04-Oct-2012 12:37 22K 
[IMG]Differential_Frequency_Tripler_Wenzel.gif04-Oct-2012 12:37 22K 
[IMG]Dual-Gate_MOSFET_Product_Detector.gif04-Oct-2012 12:37 80K 
[IMG]Guanella_Balun_Characteristics.gif04-Oct-2012 12:37 84K 
[IMG]HF_15W_MOSFET_PA_F5VOA.gif04-Oct-2012 12:37 70K 
[IMG]High-Isolation_PIN_Switch_for_IF-Filters.gif04-Oct-2012 12:37 59K 
[IMG]High_Fidelity_AM_Detectors_VK4FUQ.gif04-Oct-2012 12:37 14K 
[IMG]Low_Distortion_Wien_Bridge_LO_Wenzel.gif04-Oct-2012 12:37 15K 
[IMG]Marchand_Balun_Characteristics.gif04-Oct-2012 12:37 85K 
[IMG]Modified_C-Beeper_for_Low-Voltage.gif04-Oct-2012 12:37 11K 
[IMG]MW_70W_AM_TX_BUZ71.gif04-Oct-2012 12:37 6.4K 
[IMG]Ruthroff_Balun_Characteristics.gif04-Oct-2012 12:37 114K 
[IMG]Shortwave_Regen_RX_BFW11.gif04-Oct-2012 12:37 6.0K 
[IMG]Sub-Harmonic_Mixer.gif04-Oct-2012 12:37 44K 
[IMG]The_Curious_C-Beeper_Wenzel.gif04-Oct-2012 12:37 61K 
[IMG]Wideband_Discrete_Squarer_Wenzel.gif04-Oct-2012 12:37 3.8K 
[IMG]Windom_Balun_2kW_HF_OH7SV.gif04-Oct-2012 12:37 47K 
[IMG]10MHz_Meacham_Half-Bridge_X-tal_LO.gif05-Oct-2012 09:26 69K 
[IMG]10MHz_Meacham_Stable_X-tal_LO.gif05-Oct-2012 09:26 73K 
[IMG]3-15MHz_Low_Noise_Colpitts_X-tal_LO.gif05-Oct-2012 09:26 45K 
[IMG]500kHz_Buffer_X-tal_LO.gif05-Oct-2012 09:26 26K 
[IMG]5MHz_Amplitude_Stabilized_LO.gif05-Oct-2012 09:26 46K 
[IMG]5MHz_RC_LO.gif05-Oct-2012 09:26 43K 
[IMG]96MHz_Low_Noise_LO.gif05-Oct-2012 09:26 89K 
[IMG]96MHz_Short-Term_Stable_LO.gif05-Oct-2012 09:26 36K 
[IMG]Butler_Emitter_Follower_VXO.gif05-Oct-2012 09:26 21K 
[IMG]Current_Mode_Diode_Discriminator.gif05-Oct-2012 09:26 93K 
[IMG]Current_Mode_Linear_AM_Detector.gif05-Oct-2012 09:26 133K 
[IMG]Differential_Dip_Meter.gif05-Oct-2012 09:26 80K 
[IMG]Differential_JFET_Mixer.gif05-Oct-2012 09:26 48K 
[IMG]Harmonic_Emitter_Coupled_X-tal_LO.gif05-Oct-2012 09:27 22K 
[IMG]High-Q_Pierce_X-tal_LOs.gif05-Oct-2012 09:27 95K 
[IMG]Increased_Stability_X-tal_LO.gif05-Oct-2012 09:27 38K 
[IMG]Laser_Diode_Modulator.gif05-Oct-2012 09:27 42K 
[IMG]LC_LO_Amplitude_Stabilization.gif05-Oct-2012 09:27 94K 
[IMG]Phase_Meter_Dominant_Pole_Compensation.gif05-Oct-2012 09:27 23K 
[IMG]Stable_LC_Oscillators.gif05-Oct-2012 09:27 8.3K 
[IMG]Tayloe_Front-End_with_IQ_Output.gif05-Oct-2012 09:27 23K 
[IMG]Temperature_Compensation_for_LO_GM4ZNX.gif05-Oct-2012 09:27 48K 
[IMG]Two_BJT_Pierce_X-tal_LO.gif05-Oct-2012 09:27 38K 
[IMG]80m_QRP_TRX_KD1JV.gif12-Oct-2012 13:36 346K 
[IMG]9MHz-IF_X-tal_Notch_Filter.gif12-Oct-2012 13:36 21K 
[IMG]CW_Audio_Tone_Monitor_IC-765.gif12-Oct-2012 13:36 13K 
[IMG]DSB_Modulator_MC1496.gif12-Oct-2012 13:36 20K 
[IMG]H-Mode_2-Transformers_Mixer_I7SWX.gif12-Oct-2012 13:36 80K 
[IMG]HF_JFET_Diff_Preamp_IC-781.gif12-Oct-2012 13:36 40K 
[IMG]Product_Detector_and_BFO_SA612.gif12-Oct-2012 13:36 98K 
[IMG]Product_Detector_MC1496.gif12-Oct-2012 13:36 17K 
[IMG]2xBJT_ICOM_CI-V_Interface.gif16-Oct-2012 16:09 5.5K 
[IMG]4xBJT_ICOM_Interface_KC2NDA.gif16-Oct-2012 16:09 25K 
[IMG]CAT_Audio_Interface_Transformers.gif16-Oct-2012 16:09 49K 
[IMG]Echolink_Interface_K3MK.gif16-Oct-2012 16:09 31K 
[IMG]ICOM_CI-V_Interface_KG7SG.gif16-Oct-2012 16:09 36K 
[IMG]ICOM_CT-17_Interface.gif16-Oct-2012 16:09 6.8K 
[IMG]ICOM_Interface_G3VGR.gif16-Oct-2012 16:09 27K 
[IMG]ICOM_Interface_PTT_CW_Key_G3VFP.gif16-Oct-2012 16:09 36K 
[IMG]ICOM_OPC-478_Interface.gif16-Oct-2012 16:09 6.0K 
[IMG]Isolated_ICOM_CI-V_Interface_N4TXI.gif16-Oct-2012 16:09 12K 
[IMG]Kenwood_CAT_Interface_IK2BCP.gif16-Oct-2012 16:10 51K 
[IMG]Kenwood_MAX232_CAT_Interface.gif16-Oct-2012 16:10 46K 
[IMG]PSK31_Interface_M0KGK.gif16-Oct-2012 16:10 34K 
[IMG]PSK_Interface_N2UHC.gif16-Oct-2012 16:10 4.9K 
[IMG]PSK_SSTV_Interface.gif16-Oct-2012 16:10 49K 
[IMG]RTTY_Interface_IK3OAR.gif16-Oct-2012 16:10 7.8K 
[IMG]Sound_Card_Interface_WA8LMF.gif16-Oct-2012 16:10 32K 
[IMG]Super_Simple_PSK31_Interface_N1NKM.gif16-Oct-2012 16:10 25K 
[IMG]Yaesu_CAT_Interface_DK7IN.gif16-Oct-2012 16:10 42K 
[IMG]Yaesu_Safe_Interface_IK2BCP.gif16-Oct-2012 16:10 68K 
[IMG]Morse_Decoder_Front-End.gif16-Oct-2012 16:10 15K 
[IMG]118MHz_136MHz_AirBand_DCR.gif24-Nov-2012 08:08 179K 
[IMG]3MHz-30MHz_Feedback_LNA.gif24-Nov-2012 08:08 12K 
[IMG]7MHz_Rock-Bending_DCR.gif24-Nov-2012 08:08 86K 
[IMG]7MHz_TAK-40_TRX_WA2EUJ.gif24-Nov-2012 08:08 424K 
[IMG]88MHz-150MHz_DCR.gif24-Nov-2012 08:08 306K 
[IMG]Cavity_Antenna.gif24-Nov-2012 08:09 11K 
[IMG]DBM_Diplexer_Low-Noise_IF_Amp.gif24-Nov-2012 08:09 149K 
[IMG]DBM_FET_IF_PIN_Atten.gif24-Nov-2012 08:09 127K 
[IMG]Diode_Phase_Detector.gif24-Nov-2012 08:09 36K 
[IMG]Dual-BJT_Active_Mixer.gif24-Nov-2012 08:09 93K 
[IMG]HF_40dBm_IP3_LNA.gif24-Nov-2012 08:09 57K 
[IMG]HF_TRX_HA7SG.gif24-Nov-2012 08:09 178K 
[IMG]MOSFET_Temp_Protection.gif24-Nov-2012 08:09 27K 
[IMG]Push-Pull_MOSFET_Mixer.gif24-Nov-2012 08:09 107K 
[IMG]Sampling_Phase_Detector _Step_Recovery_Diode.gif24-Nov-2012 08:09 21K 
[IMG]UHF_Narrowband_Gain-18dB_LNA.gif24-Nov-2012 08:09 203K 
[IMG]VHF_Gain-20dB_Dual-Gate_LNA.gif24-Nov-2012 08:09 169K 
[IMG]VHF_Gain-30dB_Cascode_LNA.gif24-Nov-2012 08:09 234K 
[IMG]VHF_Wideband_Gain-15dB_LNA.gif24-Nov-2012 08:09 149K 
[IMG]X-tal_LO_60dB_Harmonic_Suppression.gif24-Nov-2012 08:09 61K 
[IMG]Electraft-K3_1st-Mixer.gif10-Dec-2012 15:23 42K 
[IMG]11.059MHz_SSB_Generator.gif07-Jan-2013 18:41 142K 
[IMG]11MHz_VFO_W7ZOI.gif07-Jan-2013 18:41 55K 
[IMG]20MHz_Butler_X-tal_LO.gif07-Jan-2013 18:41 14K 
[IMG]20MHz_CB_Limitting_X-tal_LO.gif07-Jan-2013 18:41 14K 
[IMG]5MHz_Ultra_Low_Noise_Floor_X-tal_LO.gif07-Jan-2013 18:41 18K 
[IMG]8.5MHz_Ladder_X-tal_Filter.gif07-Jan-2013 18:41 49K 
[IMG]Active_BJT_Mixer_with_BPF.gif07-Jan-2013 18:42 95K 
[IMG]AGC_455kHz-IF_PIN_Diodes.gif07-Jan-2013 18:42 28K 
[IMG]CW_Keyer_Keying_Pin.gif07-Jan-2013 18:42 16K 
[IMG]Double_Balanced_Active_Mixer_MC1596.gif07-Jan-2013 18:42 144K 
[IMG]High_Level_Double_Balanced_Mixers.gif07-Jan-2013 18:42 73K 
[IMG]Push_Pull_Dual-Gate_Mixer.gif07-Jan-2013 18:42 109K 
[IMG]Push_Pull_Power_FET_Mixer.gif07-Jan-2013 18:42 132K 
[IMG]RF_Voltmeter_K2QHE.gif07-Jan-2013 18:42 90K 
[IMG]TRF_RFI_RX_K1BQT.gif07-Jan-2013 18:42 46K 
[IMG]TX-RX_Control_Circuit_Side-tone-gen.gif07-Jan-2013 18:42 33K 
[IMG]VFO_Temperature-Controller_W0IYH.gif07-Jan-2013 18:42 39K 
[IMG]VHF_Active_Attenuator_Fox_Hunting_PA0ZR.gif07-Jan-2013 18:42 18K 
[IMG]10MHz_17dBm_Gumm_LO.gif14-Feb-2013 17:14 35K 
[IMG]10MHz_Diff_Gumm_LO.gif14-Feb-2013 17:14 20K 
[IMG]80m_Wee-Willy_DSB_TRX_VE7GC.gif14-Feb-2013 17:14 76K 
[IMG]AD8302_Phase_Detector.gif14-Feb-2013 17:14 38K 
[IMG]Baluns_for_Frequency_Doublers_Wenzel.gif14-Feb-2013 17:14 81K 
[IMG]HF_300W_VRF151_MOSFET_PA.gif14-Feb-2013 17:14 30K 
[IMG]HiRegen_Regenerative_RX.gif14-Feb-2013 17:14 46K 
[IMG]Notch_Filters_Triangle-Type_Resonators.gif14-Feb-2013 17:14 71K 
[IMG]Sampling_Phase_Detector_for_DRO.gif14-Feb-2013 17:14 41K 
[IMG]SST_QRP_TRX_N6KR.gif14-Feb-2013 17:14 168K 
[IMG]Switching_Power_MOSFETs_Mixer.gif14-Feb-2013 17:14 9.8K 
[IMG]VHF_SSB_TRX_G4CLF.gif14-Feb-2013 17:14 315K 
[IMG]XOR_Phase_Detector.gif14-Feb-2013 17:14 7.4K 
[IMG]1.6GHz_Dual-Mode_Microstrip_Filter.gif08-Mar-2013 19:03 24K 
[IMG]100MHz_Tunnel_Diode_LO.gif08-Mar-2013 19:03 16K 
[IMG]145MHz_Tunnel_Diode_LNA.gif08-Mar-2013 19:03 13K 
[IMG]20dB_Transformer_Directional_Coupler.gif08-Mar-2013 19:03 9.0K 
[IMG]2GHz-7GHz_Wideband_BPF.gif08-Mar-2013 19:03 23K 
[IMG]455kHz_12kHz_DRM_Conv_Ceramic_LO.gif08-Mar-2013 19:03 56K 
[IMG]455kHz_12kHz_DRM_Converter.gif08-Mar-2013 19:03 75K 
[IMG]4GHz_Dual-Mode_Band-Reject-Filter.gif08-Mar-2013 19:03 17K 
[IMG]50psec_Pulse_Generator.gif08-Mar-2013 19:03 13K 
[IMG]80m_Tunnel_Diode_RX_AA1TJ.gif08-Mar-2013 19:03 102K 
[IMG]Mixer_for_DRM_SO42.gif08-Mar-2013 19:03 36K 
[IMG]Push-Push_DRO_LO.gif08-Mar-2013 19:03 24K 
[IMG]Simple_Mixer_and_LO_for_DRM.gif08-Mar-2013 19:03 20K 
[IMG]Split-Ring_Resonators_and_Equivalent.gif08-Mar-2013 19:03 48K 
[IMG]Various_Microstrip_Resonators.gif08-Mar-2013 19:03 15K 
[IMG]144MHz_150W_PA_LNA_SRF3417.gif05-Apr-2013 15:32 130K 
[IMG]15m_QRP_CW_TRX_PY2OHH.gif05-Apr-2013 15:33 110K 
[IMG]2.7MHz-3MHz_VFO_for_Huff-Puff_PY2OHH.gif05-Apr-2013 15:33 34K 
[IMG]20m_9W_SSB_TRX_PY2OHH.gif05-Apr-2013 15:33 122K 
[IMG]20m_RX_PY2OHH.gif05-Apr-2013 15:33 65K 
[IMG]2m_1W_FM_TX_PY2OHH.gif05-Apr-2013 15:33 35K 
[IMG]2m_DSB_TRX_PY2OHH.gif05-Apr-2013 15:33 73K 
[IMG]2m_FM_RX_PY2OHH.gif05-Apr-2013 15:33 40K 
[IMG]3.5MHz-3.58MHz_VXO_PY2OHH.gif05-Apr-2013 15:33 25K 
[IMG]40m_10W_SSB_TRX_PY2OHH.gif05-Apr-2013 15:33 110K 
[IMG]40m_5W_TRX_PY2OHH.gif05-Apr-2013 15:33 52K 
[IMG]40m_8W_SSB_TRX_Ararinha_PY2OHH.gif05-Apr-2013 15:33 110K 
[IMG]40m_8W_SSB_TRX_PY2OHH.gif05-Apr-2013 15:33 100K 
[IMG]40m_AM-SSB_Dual_Conversion_RX_PY2OHH.gif05-Apr-2013 15:33 56K 
[IMG]40m_AM_CW_SSB_RX_PY2OHH.gif05-Apr-2013 15:33 58K 
[IMG]40m_DCR_MC3361_PY2OHH.gif05-Apr-2013 15:33 35K 
[IMG]40m_QRP_DSB_TX_PY2OHH.gif05-Apr-2013 15:33 45K 
[IMG]40m_RX_PY2OHH.gif05-Apr-2013 15:33 14K 
[IMG]40m_Smallest_TRX_PY2OHH.gif05-Apr-2013 15:33 6.1K 
[IMG]40m_SSB_TRX_PY2OHH.gif05-Apr-2013 15:33 103K 
[IMG]40m_Superhet_RX_MC3361_PY2OHH.gif05-Apr-2013 15:33 46K 
[IMG]40m_Superhet_RX_PY2OHH.gif05-Apr-2013 15:33 43K 
[IMG]40m_TTL_QRP_TRX_PY2OHH.gif05-Apr-2013 15:33 35K 
[IMG]50MHz-900MHz_AM-FM_Tuner_PY2OHH.gif05-Apr-2013 15:33 64K 
[IMG]8-LED_S-meter_PWR-meter_PY2OHH.gif05-Apr-2013 15:33 55K 
[IMG]80m_DSB-CW_TRX_PY2OHH.gif05-Apr-2013 15:33 79K 
[IMG]90-deg_Broadband_Schiffman_Phase-Shifter.gif05-Apr-2013 15:33 134K 
[IMG]Aircraft_RX_PY2OHH.gif05-Apr-2013 15:33 65K 
[IMG]Audio_PA_with_AGC_PY2OHH.gif05-Apr-2013 15:33 21K 
[IMG]Fast_Huff-Puff_VFO_Stabilizer_PY2OHH.gif05-Apr-2013 15:33 20K 
[IMG]HF_Amplitude_Modulator_G3OOU.gif05-Apr-2013 15:34 17K 
[IMG]JFET_Pinch-OFF_tester.gif05-Apr-2013 15:34 21K 
[IMG]Ku_Band_LNA_NF-1.2dB_BFU730.gif05-Apr-2013 15:34 200K 
[IMG]LC_Bridge_G3OOU.gif05-Apr-2013 15:34 17K 
[IMG]Mike_Compressor_PY2OHH.gif05-Apr-2013 15:34 22K 
[IMG]Tri-Band_4W_CW_TRX_PY2OHH.gif05-Apr-2013 15:34 113K 
[IMG]12V_138V_DCDC_for_QRP_DL6GL.gif21-Apr-2013 06:59 15K 
[IMG]20MHz-80MHz_High_IIP3_Norton_LNA.gif21-Apr-2013 06:59 40K 
[IMG]315MHz_AFSK_TX.gif21-Apr-2013 06:59 38K 
[IMG]404MHz_Signal_Source_DC8RI.gif21-Apr-2013 06:59 209K 
[IMG]600kHz-60MHz_Signal_Gen_TDA1072_DD0RQ.gif21-Apr-2013 06:59 39K 
[IMG]8.86MHz_USB-LSB-CW_BFO_DL6GL.gif21-Apr-2013 06:59 76K 
[IMG]80m_QRP_TRX_OH7HJ.gif21-Apr-2013 06:59 129K 
[IMG]HF_10W_PA_DL6GL.gif21-Apr-2013 06:59 110K 
[IMG]HF_25W_PA_IRF830_VU3VJY.gif21-Apr-2013 06:59 33K 
[IMG]HF_25W_PA_IRF840_VU3NSH.gif21-Apr-2013 06:59 40K 
[IMG]HF_50W_PA_IRF840_VU3NSH.gif21-Apr-2013 06:59 143K 
[IMG]HF_Antenna_Switch_DL6GL.gif21-Apr-2013 06:59 35K 
[IMG]Infrared_TX-RX.gif21-Apr-2013 06:59 202K 
[IMG]Low-Noise_Regenerative_Dividers_KE5FX.gif21-Apr-2013 06:59 33K 
[IMG]Low_Frequency_Very_Low_Flicker_Noise_Amplifier.gif21-Apr-2013 07:00 97K 
[IMG]Marchand_Mixer_with_Active_IF_Matching.gif21-Apr-2013 07:00 40K 
[IMG]Multiband_BITX_TRX_G6LBQ.gif21-Apr-2013 07:00 38K 
[IMG]12W_Audio_PA_TDA2030.gif21-May-2013 17:17 9.7K 
[IMG]12W_Low_Distortion_Single_Ended_VMOS_Audio_PA.gif21-May-2013 17:17 36K 
[IMG]144MHz_RX_Converter_M0DGQ.gif21-May-2013 17:17 36K 
[IMG]20m_10W_CW_TX_M0DGQ.gif21-May-2013 17:17 38K 
[IMG]20m_QRP_ATU_M0DGQ.gif21-May-2013 17:17 36K 
[IMG]20m_SSB_RX_M0DGQ.gif21-May-2013 17:17 35K 
[IMG]3.58MHz_VXO_M0DGQ.gif21-May-2013 17:17 19K 
[IMG]40m_10W_CW_TX_M0DGQ.gif21-May-2013 17:17 25K 
[IMG]40m_SSB_RX_M0DGQ.gif21-May-2013 17:17 42K 
[IMG]4m_LNA_M0DGQ.gif21-May-2013 17:17 14K 
[IMG]50MHz_1-MOSFET_Superregen_RX_JF1OZL.gif21-May-2013 17:17 23K 
[IMG]80m-30m_400W_MOSFET_PA_W5JGV.gif21-May-2013 17:17 81K 
[IMG]80m_DCR_M0DGQ.gif21-May-2013 17:17 37K 
[IMG]80m_DCR_RX_W1AW.gif21-May-2013 17:17 49K 
[IMG]80m_One_Transistor_RX_M0DGQ.gif21-May-2013 17:17 19K 
[IMG]Air_Band_AM_RX_M0DGQ.gif21-May-2013 17:17 36K 
[IMG]Class-B_Active_AM_Detector.gif21-May-2013 17:17 55K 
[IMG]Crystal_Tester_for_Filters_K8IQY.gif21-May-2013 17:17 143K 
[IMG]Dual_Gate_Product_Detector_K0IYE.gif21-May-2013 17:17 19K 
[IMG]HF_Preamp_with_ON-OFF.gif21-May-2013 17:17 26K 
[IMG]HF_SWR-meter_M0DGQ.gif21-May-2013 17:17 33K 
[IMG]HiFi_HeadPhone_Amp.gif21-May-2013 17:17 23K 
[IMG]Improved_AM_Diode_Detector_VK4FUQ.gif21-May-2013 17:17 5.4K 
[IMG]Improved_Infinite_Impedance_AM_Det_VK4FUQ.gif21-May-2013 17:17 5.1K 
[IMG]Infinite_Impedance_AM_FET_Detector_VK4FUQ.gif21-May-2013 17:17 3.5K 
[IMG]Mechanical_Filter_Tester_KK6IL.gif21-May-2013 17:17 19K 
[IMG]Precision_Full_Wave_AM_Detector.gif21-May-2013 17:17 34K 
[IMG]Two_Tone_Audio_Generator_M0DGQ.gif21-May-2013 17:17 19K 
[IMG]Ultrasonic_Bat_RX_M0DGQ.gif21-May-2013 17:17 24K 
[IMG]1-9_UNUN_Transformer.gif06-Jun-2013 16:27 42K 
[IMG]13MHz-30MHz_BF244_LNA.gif06-Jun-2013 16:27 29K 
[IMG]144MHz-28MHz_No-X-tal_RX_Converter.gif06-Jun-2013 16:27 43K 
[IMG]144MHz_LNA_40673.gif06-Jun-2013 16:27 58K 
[IMG]2m_100W_Linear_PA_K3HPA.gif06-Jun-2013 16:27 34K 
[IMG]2m_100W_Linear_PA_Zetagi-LA1080.gif06-Jun-2013 16:27 67K 
[IMG]2m_100W_Linear_PA_Zetagi_B300P.gif06-Jun-2013 16:27 150K 
[IMG]2m_90W_Linear_PA_TONO.gif06-Jun-2013 16:27 204K 
[IMG]70MHz_BF244_LNA.gif06-Jun-2013 16:27 22K 
[IMG]80m_SSB_TRX_YO8CKU.gif06-Jun-2013 16:27 115K 
[IMG]All-HF_Bands_Preselector.gif06-Jun-2013 16:27 59K 
[IMG]FM_Band_Booster_LNA.gif06-Jun-2013 16:27 28K 
[IMG]1.8MHz-1300MHz_Return_Loss_Bridge_HA8ET.gif16-Jun-2013 12:42 70K 
[IMG]10GHz_200mW_PA_DB6NT.gif16-Jun-2013 12:42 143K 
[IMG]10GHz_to_144MHz_TRV2_DB6NT.gif16-Jun-2013 12:42 24K 
[IMG]1152MHz_Signal_Source_DB6NT.gif16-Jun-2013 12:43 39K 
[IMG]1296MHz_Beacon_PE9GHz.gif16-Jun-2013 12:43 33K 
[IMG]144MHz_Contest_LNA_HA8ET.gif16-Jun-2013 12:43 41K 
[IMG]2330MHz_Beacon_PE9GHz.gif16-Jun-2013 12:43 50K 
[IMG]2556MHz_Signal_Source_DF9LN.gif16-Jun-2013 12:43 25K 
[IMG]432MHz_Contest_LNA_HA8ET.gif16-Jun-2013 12:43 26K 
[IMG]70MHz_to_144MHz_TRV_ER1LW.gif16-Jun-2013 12:43 182K 
[IMG]70MHz_to_28MHz_1W_TRV_G3XBM.gif16-Jun-2013 12:43 87K 
[IMG]70MHz_to_28MHz_RX_Converter_G3XBM.gif16-Jun-2013 12:43 21K 
[IMG]75MHz_Tripler_PE9GHz.gif16-Jun-2013 12:43 34K 
[IMG]Compensated_Split-Ring_Mixer_N7ZWY.gif16-Jun-2013 12:43 28K 
[IMG]Diode-Based_H-Mode_Mixer_N7ZWY.gif16-Jun-2013 12:43 6.7K 
[IMG]Enhanced_Diode_Ring_Mixer_N7ZWY.gif16-Jun-2013 12:43 30K 
[IMG]Helical_Resonator_Unloade-Q.gif16-Jun-2013 12:43 36K 
[IMG]KISS_Mixer_N7ZWY.gif16-Jun-2013 12:43 37K 
[IMG]Time_Domain_Reflectometry_Generator_PA3DSC.gif16-Jun-2013 12:43 40K 
[IMG]TLT-Mode_Mixer_RZ4HK.gif16-Jun-2013 12:43 86K 
[IMG]100W_Broadband_PA.gif19-Jun-2013 16:49 103K 
[IMG]11.3MHz_Differential_LO_DL1ADR.gif19-Jun-2013 16:49 11K 
[IMG]144MHz_150W_SSB_PA_MRF247.gif19-Jun-2013 16:49 49K 
[IMG]144MHz_300W_PA_MRF141G_ON4KHG.gif19-Jun-2013 16:49 206K 
[IMG]144MHz_30W_PA_HL-37Vsx.gif19-Jun-2013 16:49 46K 
[IMG]Adjustable_Waveguide_Components_and_Equivalency.gif19-Jun-2013 16:49 16K 
[IMG]Cavity_Parametric_Amplifier.gif19-Jun-2013 16:49 27K 
[IMG]Cavity_Stripline_Filters.gif19-Jun-2013 16:49 34K 
[IMG]Coaxial_Matching_Stub.gif19-Jun-2013 16:49 9.6K 
[IMG]Gunn_Diode_Transmitters.gif19-Jun-2013 16:49 59K 
[IMG]Helical_Antenna.gif19-Jun-2013 16:49 14K 
[IMG]UHF_50W_PA_RD70HVF1.gif19-Jun-2013 16:49 35K 
[IMG]VHF_70W_PA_RD70HVF1.gif19-Jun-2013 16:49 29K 
[IMG]18W_0.08-dist_MOSFET_Audio_Amplifier.gif01-Jul-2013 04:50 76K 
[IMG]2.3GHz_20W_GaAs_PA_DJ9BV.gif01-Jul-2013 04:50 17K 
[IMG]2.3GHz_90W_PA_RF3933.gif01-Jul-2013 04:50 49K 
[IMG]2.4GHz_PA_KK7B.gif01-Jul-2013 04:50 48K 
[IMG]200W_DVB_PA_and_Bias_BLF578.gif01-Jul-2013 04:50 53K 
[IMG]220MHz_400MHz_Air-Band_RX.gif01-Jul-2013 04:50 18K 
[IMG]29.85MHz_BPF.gif01-Jul-2013 04:50 83K 
[IMG]29.85MHz_Notch_Filter.gif01-Jul-2013 04:50 72K 
[IMG]3MHz_30MHz_500W_PA_MRF154.gif01-Jul-2013 04:50 27K 
[IMG]432MHz_12W_PA_RFM12U7X.gif01-Jul-2013 04:50 20K 
[IMG]70MHz_150W_BLF147_PA_YU1AW.gif01-Jul-2013 04:50 134K 
[IMG]80m_5W_DSB_TX_VK3YE.gif01-Jul-2013 04:50 33K 
[IMG]88-108_500mW_FM_TX.gif01-Jul-2013 04:50 53K 
[IMG]Audio_Limiter_for_NBFM_W3KKC.gif01-Jul-2013 04:50 25K 
[IMG]Grid_Peak_Meter_YO8CKU.gif01-Jul-2013 04:50 71K 
[IMG]HF_200W_MOSFET_PA_MRF151G.gif01-Jul-2013 04:50 26K 
[IMG]True-RMS_Power_Meter.gif01-Jul-2013 04:50 46K 
[IMG]1.6MHz_30MHz_20W_MRF475_PA.gif06-Aug-2013 11:36 100K 
[IMG]102.75MHz_Temp_Compensated_Crystal_LO_DC8RI.gif06-Aug-2013 11:36 214K 
[IMG]1240-1300MHz_A-V_Transmitter.gif06-Aug-2013 11:36 193K 
[IMG]1268MHz_Signal_Source_DF8QK.gif06-Aug-2013 11:36 278K 
[IMG]140-152MHz_90W_PA_KL144.gif06-Aug-2013 11:36 151K 
[IMG]1MHz_Temp_Comp_Crystal_LO.gif06-Aug-2013 11:36 110K 
[IMG]3.57MHz_Single_Crystal_BPF.gif06-Aug-2013 11:36 84K 
[IMG]30MHz-150MHz_30W_MOS_PA.gif06-Aug-2013 11:36 92K 
[IMG]60Hz_Adjustable-Q_Notch_Filter.gif06-Aug-2013 11:36 48K 
[IMG]70MHz_15W_PA_YO2LGX.gif06-Aug-2013 11:36 158K 
[IMG]70MHz_28MHz_TRV_YO2LGX.gif06-Aug-2013 11:36 165K 
[IMG]70MHz_50MHz_TRV_YO2LGX.gif06-Aug-2013 11:36 247K 
[IMG]H-Mode_Mixer_IF_Amp_DL6GL.gif06-Aug-2013 11:36 138K 
[IMG]SDR_SoftRock_v6_KB9YIG.gif06-Aug-2013 11:36 140K 
[IMG]SDR_SoftRock_v7_I7SWX.gif06-Aug-2013 11:36 107K 
[IMG]Sinewave_Gen_Digital_Control.gif06-Aug-2013 11:37 86K 
[IMG]144MHz_27MHz_TRV_RA3RBE.gif09-Aug-2013 15:01 86K 
[IMG]2.4GHz_Transmitting_Active_Antenna.gif09-Aug-2013 15:01 32K 
[IMG]3.7GHz_Active_Circulator_Antenna.gif09-Aug-2013 15:01 16K 
[IMG]432MHz_144MHz_TRV_RA3RBE.gif09-Aug-2013 15:01 20K 
[IMG]4GHz_Patch_Antenna_Oscillator.gif09-Aug-2013 15:01 42K 
[IMG]C-band_Quasi-Yagi_IQ_Direct_Conversion_Receiver.gif09-Aug-2013 15:01 65K 
[IMG]CPW_to_TSA_Transitions.gif09-Aug-2013 15:01 12K 
[IMG]Diplexer_Patch_Antenna_Integration.gif09-Aug-2013 15:01 19K 
[IMG]Integrated_Amplifier_Patch_Antenna.gif09-Aug-2013 15:01 29K 
[IMG]Slot_Line-to-Microstrip_Transitions.gif09-Aug-2013 15:01 14K 
[IMG]Strip-to-Slot_Transition.gif09-Aug-2013 15:01 5.0K 
[IMG]C-band_Quasi-Yagi_Push_Pull_Power_Amplifier.gif09-Aug-2013 15:07 220K 
[IMG]1-3_Wavelength_Dipole_and_Matching_W4ULD.gif29-Aug-2013 16:10 48K 
[IMG]144_220_432MHz_GaAs_LNA_WA2GFP.gif29-Aug-2013 16:10 52K 
[IMG]160m_Loop_Ant_RX_Amplifier_W9SR.gif29-Aug-2013 16:10 32K 
[IMG]23cm_35W_PA_W3HQT.gif29-Aug-2013 16:10 243K 
[IMG]40m_OCR_Regen_RX_N1BYT.gif29-Aug-2013 16:10 33K 
[IMG]50kHz_70MHz_Spectrum_Analyzer_K7TAU.gif29-Aug-2013 16:10 222K 
[IMG]7MHz_Hegau-SMD_QRP_TRX_DK1HE.gif29-Aug-2013 16:10 93K 
[IMG]7MHz_Miss-Moskita_QRP_TRX_DK1HE.gif29-Aug-2013 16:10 71K 
[IMG]80m_40m_QRP_CW_TX_N1TEV.gif29-Aug-2013 16:11 135K 
[IMG]80m_Direction_Finding_RX_WB6BYU.gif29-Aug-2013 16:11 90K 
[IMG]Automatic_Audio_Leveler_K1QW.gif29-Aug-2013 16:11 34K 
[IMG]CW_Pitch_Control_and_Monitor_WA3ENK.gif29-Aug-2013 16:11 15K 
[IMG]Dipole_Ant_Matching_Adapters.gif29-Aug-2013 16:11 315K 
[IMG]Doppler_Radio-Direction_Finder_WA2EBY.gif29-Aug-2013 16:11 61K 
[IMG]HF_600W_MOSFET_PA_K0GKD.gif29-Aug-2013 16:11 110K 
[IMG]HF_AM_RX_Lafayette_HA-600.gif29-Aug-2013 16:11 233K 
[IMG]HF_High-Power_BPF_W3NQN.gif29-Aug-2013 16:11 101K 
[IMG]HF_High_Dynamic_Range_Amplifier_for_Portable_Ant.gif29-Aug-2013 16:11 33K 
[IMG]HZX_Headphone_Adapter.gif29-Aug-2013 16:11 19K 
[IMG]Interface_ICOM_Ten-Tec_MAX232.gif29-Aug-2013 16:11 15K 
[IMG]JFET_VXO_W7ZOI.gif29-Aug-2013 16:11 7.8K 
[IMG]Low_Cost_CW_Filter_WA9PYH.gif29-Aug-2013 16:11 24K 
[IMG]Power_Supply_LCD_meter_Display_K1QW.gif29-Aug-2013 16:11 101K 
[IMG]RF_Micropower_Meter_K1QW.gif29-Aug-2013 16:11 94K 
[IMG]SpeechProcessor_FT-817_KG4JJH.gif29-Aug-2013 16:11 104K 
[IMG]Voice_Clipper_LPF_WB6VMI.gif29-Aug-2013 16:11 15K 
[IMG]VolksRTTY_HamCOMM_Interface_K7SZL.gif29-Aug-2013 16:11 68K 
[IMG]0-510kHz_to_4MHz_RX_Converter_K1QW.gif27-Nov-2013 17:34 197K 
[IMG]100dB_Range_Three_Stage_AGC_W7ZOI.gif27-Nov-2013 17:34 68K 
[IMG]1255MHz_ATV_RX_F5RDH.gif27-Nov-2013 17:34 208K 
[IMG]1MHz-500MHz_Antenna_Analyzer_VK5JST.gif27-Nov-2013 17:34 212K 
[IMG]40m_CW-SSB_TRX_KD1JV.gif27-Nov-2013 17:34 442K 
[IMG]40m_SSB_TRX_W6IBC.gif27-Nov-2013 17:34 195K 
[IMG]90m_to_40m_Crystal_Radio_N7FKI.gif27-Nov-2013 17:34 22K 
[IMG]Accurate_S-meter_for_DCR_WB9JPS.gif27-Nov-2013 17:34 156K 
[IMG]Aviation_RX_F5RDH.gif27-Nov-2013 17:34 119K 
[IMG]Cascode_Hybrid_AGC_W7ZOI.gif27-Nov-2013 17:34 13K 
[IMG]Cascode_JFET_AGC_W7ZOI.gif27-Nov-2013 17:34 13K 
[IMG]Computer_Interface_for_CW_W2SBA.gif27-Nov-2013 17:34 18K 
[IMG]Huth-Kuhn_Oscillator.gif27-Nov-2013 17:34 195K 
[IMG]ICOM_ACC_Interface.gif27-Nov-2013 17:34 90K 
[IMG]Matching_2_Parallel_50ohm_Ant.gif27-Nov-2013 17:34 54K 
[IMG]Pixie2_TRX_W7AMX.gif27-Nov-2013 17:34 25K 
[IMG]Remote_Matching_for_Vertical_Ant_AD5X.gif27-Nov-2013 17:35 255K 
[IMG]Two_Element_End-Fire_Array_Ant.gif27-Nov-2013 17:35 9.5K 
[IMG]VFO_Stabilizer_ver.1_PA0KSB.gif27-Nov-2013 17:35 33K 
[IMG]VLF_SDR_K1QW.gif27-Nov-2013 17:35 412K 
[IMG]Voltage_to_Frequency_Converter_AD639.gif27-Nov-2013 17:35 103K 
[IMG]1.5GHz-2.5GHz_Sweep_VCO.gif11-Jan-2014 17:17 79K 
[IMG]100MHz_TTL_TX_74LS13.gif11-Jan-2014 17:17 8.0K 
[IMG]10Hz-100kHz_RC_Signal_Generator.gif11-Jan-2014 17:17 98K 
[IMG]1GHz_SA_Front_End.gif11-Jan-2014 17:17 76K 
[IMG]2MHz-30MHz_30W_IRF510_PA.gif11-Jan-2014 17:17 41K 
[IMG]3_Transitor_SW_Radio.gif11-Jan-2014 17:17 82K 
[IMG]4MHz-4.35MHz_Auto_Level_VFO.gif11-Jan-2014 17:17 194K 
[IMG]88MHz-108MHz_FET_FM_TX.gif11-Jan-2014 17:17 62K 
[IMG]88MHz_108MHz_1.5V_FM_TX.gif11-Jan-2014 17:17 18K 
[IMG]88MHz_108MHz_Dual-FET_FM_TX.gif11-Jan-2014 17:17 21K 
[IMG]Audio_White_Noise_Generator.gif11-Jan-2014 17:17 25K 
[IMG]DC-20MHz_Noise_Generator_S57UUU.gif11-Jan-2014 17:17 5.5K 
[IMG]DVB-T_200W_PA_BLF578.gif11-Jan-2014 17:17 55K 
[IMG]HF_Noise_Source_DF3GJ.gif11-Jan-2014 17:17 25K 
[IMG]Impedance_Chart_L-and-C_vs_Frequency.gif11-Jan-2014 17:17 63K 
[IMG]LED_Noise_Generator_N5ESE.gif11-Jan-2014 17:17 15K 
[IMG]Perfect_Sinus_1kHz_Oscillator.gif11-Jan-2014 17:17 64K 
[IMG]Pink_Noise_Generator.gif11-Jan-2014 17:17 24K 
[IMG]White_Noise_Generator_VE3WWG.gif11-Jan-2014 17:17 12K 
[IMG]Wideband_Wilkinson_Splitter.gif11-Jan-2014 17:17 10K 
[IMG]1.5V_to_5V_200mA_Converter.gif17-Jan-2014 06:22 22K 
[IMG]100MHz_Pulse_Modulated_TX.gif17-Jan-2014 06:22 51K 
[IMG]10m_CW_DSB_TX.gif17-Jan-2014 06:22 85K 
[IMG]10MHz_WWV_WWVH_RX.gif17-Jan-2014 06:22 180K 
[IMG]160m-20m_DCR_NE602.gif17-Jan-2014 06:22 86K 
[IMG]1Hz-100kHz_SineWave_VCO.gif17-Jan-2014 06:22 29K 
[IMG]1MHz-34MHz_FM_Sign_Gen.gif17-Jan-2014 06:22 193K 
[IMG]36.1MHz_Wireless_Encoded_TRX.gif17-Jan-2014 06:22 187K 
[IMG]5V_to_pm15V_Reg_Converter.gif17-Jan-2014 06:22 22K 
[IMG]80m_1.5W_QRP_TX.gif17-Jan-2014 06:22 120K 
[IMG]80m_45W_CW_TX_IRF840.gif17-Jan-2014 06:22 120K 
[IMG]80m_5W_CW_TRX.gif17-Jan-2014 06:22 114K 
[IMG]80m_SSB_RX_MC3335.gif17-Jan-2014 06:22 68K 
[IMG]88MHz-108MHz_15W_2SC1972_PA.gif17-Jan-2014 06:22 76K 
[IMG]All_BJT_Log_Amplifier.gif17-Jan-2014 06:22 66K 
[IMG]AM_Tuned_Radio_Frequency_RX.gif17-Jan-2014 06:22 113K 
[IMG]Audio_Induction_Receiver.gif17-Jan-2014 06:22 44K 
[IMG]CB_to_AM-Band_Converter.gif17-Jan-2014 06:22 44K 
[IMG]Dipole_Gain_vs_Length.gif17-Jan-2014 06:22 57K 
[IMG]FM_Modulator_200kHz_Deviation.gif17-Jan-2014 06:22 62K 
[IMG]Mobile_Phone_Detector.gif17-Jan-2014 06:22 129K 
[IMG]MW_AM_BJT_RX.gif17-Jan-2014 06:23 66K 
[IMG]Nine_Band_Shortwave_RX.gif17-Jan-2014 06:23 499K 
[IMG]Shortwave_Superhet_NE602_RX.gif17-Jan-2014 06:23 93K 
[IMG]Temperature_to_Frequency_Converter.gif17-Jan-2014 06:23 51K 
[IMG]VLF_Pulse_TX.gif17-Jan-2014 06:23 83K 
[IMG]1296MHz-28MHz_RX_Converter_W2CQH.gif19-Jan-2014 10:08 145K 
[IMG]136kHz_5W_TX_G4CNN.gif19-Jan-2014 10:08 30K 
[IMG]136KHz_to_10.136MHz_TRV_GW4ALG.gif19-Jan-2014 10:08 47K 
[IMG]136kHz_Tuner_for_Loop_Ant_GW4ALG.gif19-Jan-2014 10:08 9.3K 
[IMG]144MHz-28MHz_RX_Converter_W2DUC.gif19-Jan-2014 10:08 116K 
[IMG]2m_FM_RX_CA3089.gif19-Jan-2014 10:09 71K 
[IMG]3.5MHz-7MHz_High_Output_VFO.gif19-Jan-2014 10:09 157K 
[IMG]440MHz_JFET_Preamp.gif19-Jan-2014 10:09 40K 
[IMG]5.5MHz_Bridge_X-tal_Filter.gif19-Jan-2014 10:09 30K 
[IMG]50MHz-28MHz_RX_Converter_W2DUC.gif19-Jan-2014 10:09 84K 
[IMG]540MHz_Signal_Source_W2CQH.gif19-Jan-2014 10:09 35K 
[IMG]7MHz_10W_Impedance_Transformers_PA_.gif19-Jan-2014 10:09 48K 
[IMG]80m_40m_15m_Superhet_RX.gif19-Jan-2014 10:09 161K 
[IMG]BJT_Balanced_Modulator.gif19-Jan-2014 10:09 26K 
[IMG]Broadband_Balun_Transformers.gif19-Jan-2014 10:09 38K 
[IMG]Broadband_UnUn_Transformers.gif19-Jan-2014 10:09 14K 
[IMG]Coax_Connectors_Max_Frequency.gif19-Jan-2014 10:09 109K 
[IMG]FM_Crystal_Discriminator.gif19-Jan-2014 10:09 26K 
[IMG]HF_Discrete_Components_PLL.gif19-Jan-2014 10:09 107K 
[IMG]Peak_Deviation_Meter.gif19-Jan-2014 10:09 29K 
[IMG]Reactance_Modulator_Dual_Gate_MOSFET.gif19-Jan-2014 10:09 14K 
[IMG]Ringing_Free_CW_Active_Filter_GW4ALG.gif19-Jan-2014 10:09 9.2K 
[IMG]SWR_meter_for_136kHz_GW4ALG.gif19-Jan-2014 10:09 6.2K 
[IMG]Varactor_Reactance_Modulator.gif19-Jan-2014 10:09 13K 
[IMG]Microphone_Speech_Processor.gif19-Jan-2014 10:15 9.2K 
[IMG]Microphone_Speech_Processor2.gif19-Jan-2014 10:15 147K 
[IMG]1.2GHz-2.4GHz_Wideband_Horn_Ant_OE9PMJ.gif24-Jan-2014 13:28 160K 
[IMG]10.140MHz_1W_CW_TX_JH5ESM.gif24-Jan-2014 13:28 60K 
[IMG]12MHz_SSB_Generator_SN16913_JN1NGC.gif24-Jan-2014 13:28 25K 
[IMG]18.100MHz_1W_TX_JH5ESM.gif24-Jan-2014 13:28 85K 
[IMG]2.4GHz_G-21dB_Circular_Horn_Ant.gif24-Jan-2014 13:28 7.3K 
[IMG]3.5GHz_Copper-Pipe_End-Cap_Filter.gif24-Jan-2014 13:28 25K 
[IMG]7MHz_0.5W_CW_TX_JH5ESM.gif24-Jan-2014 13:28 6.3K 
[IMG]7MHz_All-PNP_CW_TRX_JH5ESM.gif24-Jan-2014 13:28 80K 
[IMG]7MHz_All-PNP_DCR_JH5ESM.gif24-Jan-2014 13:28 54K 
[IMG]7MHz_CW_QRP_TX_JH5ESM.gif24-Jan-2014 13:28 79K 
[IMG]7MHz_CW_TRX_JK1XKP.gif24-Jan-2014 13:28 177K 
[IMG]7MHz_SSB_RX_JH5ESM.gif24-Jan-2014 13:28 18K 
[IMG]88MHz-108MHz_Wideband_FM_Jammer.gif24-Jan-2014 13:28 27K 
[IMG]FM-AM_Aircraft_Band_RX.gif24-Jan-2014 13:28 20K 
[IMG]Monika_LW_MW_SW_RX.gif24-Jan-2014 13:28 109K 
[IMG]Passive_Cavity_Transmitter.gif24-Jan-2014 13:28 188K 
[IMG]SSB_Generator_SN16913_JK1XKP.gif24-Jan-2014 13:28 35K 
[IMG]3-Way_Wilkinson_Power_Divider.gif29-Jan-2014 14:37 15K 
[IMG]4_Bit_Switched-Line_Phase_Shifter.gif29-Jan-2014 14:37 49K 
[IMG]80m_DCR_SP3CCT.gif29-Jan-2014 14:37 178K 
[IMG]Adaptive_Bias_Circuit.gif29-Jan-2014 14:37 9.6K 
[IMG]AM_Collector_Modulators.gif29-Jan-2014 14:37 9.1K 
[IMG]AM_SSB_Detector.gif29-Jan-2014 14:37 9.6K 
[IMG]Balanced_CMOS_Upconversion_Mixer.gif29-Jan-2014 14:37 24K 
[IMG]Balanced_HEMT_Upconversion_Mixer.gif29-Jan-2014 14:37 6.9K 
[IMG]Balanced_MESFET_Frequency_Tripler.gif29-Jan-2014 14:37 40K 
[IMG]Balanced_MESFETs_Frequency_Doublers.gif29-Jan-2014 14:37 43K 
[IMG]Binary_FSK_Modulator_BFSK.gif29-Jan-2014 14:37 19K 
[IMG]BJT_Bias_Circuit_for_Class_AB_Operation.gif29-Jan-2014 14:37 4.6K 
[IMG]BJT_Frequency_Tripler.gif29-Jan-2014 14:37 12K 
[IMG]BPSK_Modulator_Printed_Coupler.gif29-Jan-2014 14:37 19K 
[IMG]Branch_Line_Coupler_with_Impedance_Transforming.gif29-Jan-2014 14:37 23K 
[IMG]Broadband_Branch-Line_Hybrid_Coupler.gif29-Jan-2014 14:37 29K 
[IMG]Broadband_Parallel-Connected_Cable_1-4_Baluns.gif29-Jan-2014 14:37 40K 
[IMG]CB_AM_Monitor_Self_Power_Supply.gif29-Jan-2014 14:37 41K 
[IMG]CB_AM_TDA1072_RX.gif29-Jan-2014 14:37 81K 
[IMG]Coaxial_Cable_Combiner.gif29-Jan-2014 14:37 25K 
[IMG]Coupled_Line_Coupler_with_Increased_Directivity.gif29-Jan-2014 14:37 18K 
[IMG]Coupled_Line_Marchand_Balun_Configurations.gif29-Jan-2014 14:37 37K 
[IMG]Gysel_High-Power_In-Phase_Planar_Combiner-Divider.gif29-Jan-2014 14:37 13K 
[IMG]Ku-Band_Balanced_Resistive_FET_Mixer.gif29-Jan-2014 14:37 46K 
[IMG]Lange_Coupler_8.34dB_Coupling.gif29-Jan-2014 14:37 39K 
[IMG]LC_Diplexer_and_Equation.gif29-Jan-2014 14:37 17K 
[IMG]Marchand_Balun_Configurations.gif29-Jan-2014 14:37 31K 
[IMG]Matched_and_Isolated_Coaxial_Cable_Combiner.gif29-Jan-2014 14:37 28K 
[IMG]Microstrip_3-way_Divider_With_Improved_Isolation.gif29-Jan-2014 14:37 22K 
[IMG]Microstrip_Reflection-Type_Phase_Modulators.gif29-Jan-2014 14:37 30K 
[IMG]Multioctave_Differential_90deg_Phase_Shifters.gif29-Jan-2014 14:37 29K 
[IMG]OOK_Modulators.gif29-Jan-2014 14:37 7.9K 
[IMG]PIN_Diode_Limitters.gif29-Jan-2014 14:37 29K 
[IMG]Planar_Marchand_Balun_Configurations.gif29-Jan-2014 14:38 36K 
[IMG]Printed_Branch-Line_Quadrature_Hybrid_Coupler.gif29-Jan-2014 14:38 22K 
[IMG]QPSK_Modulator_Printed_Coupler.gif29-Jan-2014 14:38 38K 
[IMG]Reduced-Size_Branch_Line_Coupler.gif29-Jan-2014 14:38 18K 
[IMG]Reduced_Size_Coupled_Line_Coupler.gif29-Jan-2014 14:38 17K 
[IMG]Reflection-Type_Low-Phase_Shift_PIN_Diode_Attenuator.gif29-Jan-2014 14:38 14K 
[IMG]Reflector-Type_HEMT_Frequency_Triplers.gif29-Jan-2014 14:38 58K 
[IMG]Reflector-Type_MESFET_Frequency_Doubler.gif29-Jan-2014 14:38 33K 
[IMG]Split_Tee_Power_Divider.gif29-Jan-2014 14:38 23K 
[IMG]Subharmonically_Pumped_Mixers.gif29-Jan-2014 14:38 37K 
[IMG]Third-Order_Bandstop_Printed_Filter.gif29-Jan-2014 14:38 21K 
[IMG]Two-Stage_PIN_Diode_Limitter.gif29-Jan-2014 14:38 17K 
[IMG]Varactor_Tuned_Phase_Modulators.gif29-Jan-2014 14:38 10K 
[IMG]Very_Wideband_BJT_VCO.gif29-Jan-2014 14:38 29K 
[IMG]Very_Wideband_FET_VCO.gif29-Jan-2014 14:38 26K 
[IMG]Very_Wideband_Push-Push_BJT_VCO.gif29-Jan-2014 14:38 16K 
[IMG]Cable_Transformers_for_Push_Pull_Operation.gif30-Jan-2014 05:39 15K 
[IMG]1.8MHz_High-Performance_Front_End_W7ZOI.gif31-Jan-2014 15:56 423K 
[IMG]11.5MHz_SSB_Exciter_HEF4052.gif31-Jan-2014 15:56 47K 
[IMG]15m_6W_TX_W7ZOI.gif31-Jan-2014 15:56 290K 
[IMG]160m_80m_7W_Push-Pull_PA_W7ZOI.gif31-Jan-2014 15:56 162K 
[IMG]160m_JFET_VFO_W7ZOI.gif31-Jan-2014 15:56 277K 
[IMG]160m_QRP_TX_W7ZOI.gif31-Jan-2014 15:56 199K 
[IMG]3.5MHz_Dual-Gate_MOSFET_VFO_W7ZOI.gif31-Jan-2014 15:56 121K 
[IMG]40m_20m_25W_PA_W7ZOI.gif31-Jan-2014 15:56 163K 
[IMG]40m_QRP_TX_W7ZOI.gif31-Jan-2014 15:56 515K 
[IMG]5.5GHz_2.5W_MESFET_PA.gif31-Jan-2014 15:56 10K 
[IMG]50MHz_QRP_CW_TX_W7ZOI.gif31-Jan-2014 15:56 232K 
[IMG]6m_DSB_QRP_TX_W7ZOI.gif31-Jan-2014 15:57 311K 
[IMG]7MHz-to-14MHz_Push-Push_Freq_Doubler_W7ZOI.gif31-Jan-2014 15:57 101K 
[IMG]7MHz_Direct_Conversion_TRX_W7ZOI.gif31-Jan-2014 15:57 605K 
[IMG]7MHz_Pocket_RX_W7ZOI.gif31-Jan-2014 15:57 321K 
[IMG]7MHz_Ultra_Portable_QRP_TRX_W7ZOI.gif31-Jan-2014 15:57 409K 
[IMG]80m_40m_Superhet_RX_W7ZOI.gif31-Jan-2014 15:57 309K 
[IMG]80m_JFET_VFO_W7ZOI.gif31-Jan-2014 15:57 195K 
[IMG]80m_QRP_CW_TRX_KL7IAK.gif31-Jan-2014 15:57 420K 
[IMG]Additive_JFET_Mixer_W7ZOI.gif31-Jan-2014 15:57 121K 
[IMG]All_Bands_VFX_for_9MHz_IF_W7ZOI.gif31-Jan-2014 15:58 195K 
[IMG]Bias_Circuits_for_RF_BJT.gif31-Jan-2014 15:58 246K 
[IMG]CW_Keyer_3xNE555_W7ZOI.gif31-Jan-2014 15:58 128K 
[IMG]Double-Balanced_FET_Mixer_U257.gif31-Jan-2014 15:58 104K 
[IMG]Dual_Bridge_High_Level_Diode_Mixer.gif31-Jan-2014 15:58 86K 
[IMG]HF_15W_Linear_PA_W7ZOI.gif31-Jan-2014 15:58 177K 
[IMG]HF_15W_PA_MRF449_W7ZOI.gif31-Jan-2014 15:58 221K 
[IMG]HF_6W_PA_W7ZOI.gif31-Jan-2014 15:58 130K 
[IMG]HF_Diode_Amp_Doubler_W7ZOI.gif31-Jan-2014 15:58 93K 
[IMG]High_Gain_Audio_PA_for_Headphones_W7ZOI.gif31-Jan-2014 15:58 102K 
[IMG]High_IP3_Post_Mixer_Amplifiers_W7ZOI.gif31-Jan-2014 15:58 125K 
[IMG]High_Level_Balanced_JFET_Mixer_W7ZOI.gif31-Jan-2014 15:58 129K 
[IMG]MOS_FET_BJT_Tester_W7ZOI.gif31-Jan-2014 15:58 82K 
[IMG]Push-Pull_MOSFET_PA_with_Hybrids.gif31-Jan-2014 15:58 38K 
[IMG]RF_Activated_Relay_W7ZOI.gif31-Jan-2014 15:58 155K 
[IMG]1296MHz_DBM_Mixer_WA6UAM.gif03-Feb-2014 07:28 100K 
[IMG]160m_Preamp_3SK88_KD9SV.gif03-Feb-2014 07:28 18K 
[IMG]40m_Sensistive_Direct_Conversion_Receiver.gif03-Feb-2014 07:28 64K 
[IMG]500kHz-22MHz_DRM_RX.gif03-Feb-2014 07:28 42K 
[IMG]500kHz-30MHz_Regen_RX.gif03-Feb-2014 07:28 16K 
[IMG]Antenna_Noise_Canceller.gif03-Feb-2014 07:28 78K 
[IMG]BFO_and_Product_Detector.gif03-Feb-2014 07:28 30K 
[IMG]Capacimeter_74HC132.gif03-Feb-2014 07:28 12K 
[IMG]Crystal_Tester_N7ZWY.gif03-Feb-2014 07:28 24K 
[IMG]FSK_Demod_NE565.gif03-Feb-2014 07:28 9.6K 
[IMG]High-Performance_Regen_RX.gif03-Feb-2014 07:28 48K 
[IMG]Improved_ShortWave_Regen_RX.gif03-Feb-2014 07:28 72K 
[IMG]Infrared_Wireless_Voice_Communication.gif03-Feb-2014 07:28 45K 
[IMG]Pocket_FM_RX.gif03-Feb-2014 07:28 32K 
[IMG]SW_3xFET_Regen_RX.gif03-Feb-2014 07:28 36K 
[IMG]SW_Dual_Conversion_Superhet_RX.gif03-Feb-2014 07:28 85K 
[IMG]SW_FET-PNP_Regen_RX.gif03-Feb-2014 07:29 86K 
[IMG]Two_Superhet_Front-Ends.gif03-Feb-2014 07:29 68K 
[IMG]VHF_Superregen_RX.gif03-Feb-2014 07:29 58K 
[IMG]Metal_Detector_111kHz.gif03-Feb-2014 07:29 28K 
[IMG]Metal_Detector_130kHz.gif03-Feb-2014 07:29 18K 
[IMG]Metal_Detector_140kHz.gif03-Feb-2014 07:29 24K 
[IMG]Metal_Detector_1MHz.gif03-Feb-2014 07:29 25K 
[IMG]Metal_Detector_1MHz_3xBJT.gif03-Feb-2014 07:29 12K 
[IMG]Metal_Detector_300kHz.gif03-Feb-2014 07:29 19K 
[IMG]Metal_Detector_300kHz_PLL.gif03-Feb-2014 07:29 22K 
[IMG]Metal_Detector_300kHz_PNP.gif03-Feb-2014 07:29 19K 
[IMG]Metal_Detector_3xBJT_Homemade.gif03-Feb-2014 07:29 32K 
[IMG]Metal_Detector_4001_ZL2PD.gif03-Feb-2014 07:29 68K 
[IMG]Metal_Detector_455kHz.gif03-Feb-2014 07:29 22K 
[IMG]Metal_Detector_5.5MHz.gif03-Feb-2014 07:29 47K 
[IMG]Metal_Detector_625kHz.gif03-Feb-2014 07:29 22K 
[IMG]Metal_Detector_650kHz.gif03-Feb-2014 07:29 23K 
[IMG]Metal_Detector_Beat_Balance.gif03-Feb-2014 07:29 74K 
[IMG]Metal_Detector_Heathkit_GD-1190.gif03-Feb-2014 07:29 132K 
[IMG]Metal_Detector_Heathkit_GR-1290.gif03-Feb-2014 07:29 223K 
[IMG]Metal_Detector_JF1OZL.gif03-Feb-2014 07:29 32K 
[IMG]Metal_Detector_Pin_Detector.gif03-Feb-2014 07:29 218K 
[IMG]Metal_Detector_PLL_4046_Beachcomber.gif03-Feb-2014 07:29 47K 
[IMG]Metal_Detector_Simple_3xBJT_BFO.gif03-Feb-2014 07:29 31K 
[IMG]Metal_Detector_Simple_BFO.gif03-Feb-2014 07:29 53K 
[IMG]Metal_Detector_Surfmaster_Pi.gif03-Feb-2014 07:29 129K 
[IMG]Metal_Detector_Toro.gif03-Feb-2014 07:30 14K 
[IMG]Proximity_Detector_600MHz.gif03-Feb-2014 07:30 26K 
[IMG]Proximity_Detector_680kHz.gif03-Feb-2014 07:30 13K 
[IMG]Proximity_Detector_TDA0161.gif03-Feb-2014 07:30 34K 
[IMG]10GHz_ATV_PLL_TX_DG6RBP.gif10-Feb-2014 18:27 165K 
[IMG]1152MHz-1296MHz_Signal_Source.gif10-Feb-2014 18:27 60K 
[IMG]1296MHz_50W_UPF1060_PA_DJ1EE.gif10-Feb-2014 18:27 26K 
[IMG]1296MHz_Switchable_LNA_G4DDK.gif10-Feb-2014 18:27 26K 
[IMG]136kHz_1kW_TX_G3YXM.gif10-Feb-2014 18:27 96K 
[IMG]136kHz_200W_Class-D_STW60NE10_PA.gif10-Feb-2014 18:27 62K 
[IMG]136kHz_200W_Envelope_Modulated_PA_M0BMU.gif10-Feb-2014 18:27 118K 
[IMG]136kHz_LNA_G3YXM.gif10-Feb-2014 18:27 23K 
[IMG]136kHz_Tuned_LNA.gif10-Feb-2014 18:27 9.7K 
[IMG]13cm_GaAs_NE42484_LNA_DJ9BV.gif10-Feb-2014 18:27 54K 
[IMG]144MHz-432MHz_GaAs_3SK97_LNA.gif10-Feb-2014 18:27 16K 
[IMG]144MHz_400W_D1030UK_PA_DJ1EE.gif10-Feb-2014 18:27 63K 
[IMG]3.5MHz-SSB_to_20kHz-Light_TRV_G8CYW.gif10-Feb-2014 18:27 96K 
[IMG]3MHz-30MHz_10W_2SC2509_PA.gif10-Feb-2014 18:27 27K 
[IMG]3MHz-30MHz_25W_2SC1945_PA.gif10-Feb-2014 18:27 11K 
[IMG]3MHz-30MHz_300W_MRF454_Linear_PA.gif10-Feb-2014 18:27 113K 
[IMG]3MHz-30MHz_600W_MRF150_Linear_PA.gif10-Feb-2014 18:27 94K 
[IMG]500kHz_500W_Class-E_IRFP452_PA_G4JNT.gif10-Feb-2014 18:27 38K 
[IMG]8-pole_LPF_4-pole_HPF_Audio_Amp_G0UPL.gif10-Feb-2014 18:28 32K 
[IMG]80m-20m_Yearling_RX_G3YMP.gif10-Feb-2014 18:28 43K 
[IMG]9MHz_SSB_Exciter_SA602.gif10-Feb-2014 18:28 18K 
[IMG]9MHz_SSB_Exciter_SBL-1.gif10-Feb-2014 18:28 13K 
[IMG]CW-PWM-AM_Laser_TRX_G0MRF.gif10-Feb-2014 18:28 93K 
[IMG]FM_Laser_TRX_VK7MU.gif10-Feb-2014 18:28 46K 
[IMG]Four_Port_Coax_Power_Divider.gif10-Feb-2014 18:28 9.6K 
[IMG]Four_Port_Output_Coax_Power_Combiner.gif10-Feb-2014 18:28 9.9K 
[IMG]FOXX2_QRP_TRX_G3RJV.gif10-Feb-2014 18:28 21K 
[IMG]GQ-40_TRX_GW8ELR.gif10-Feb-2014 18:28 204K 
[IMG]High_Dynamic_Range_Mixer_SD5000_G3SBI.gif10-Feb-2014 18:28 20K 
[IMG]Kenwood_R300_RX.gif10-Feb-2014 18:28 184K 
[IMG]LF_to_MF-HF_RX_Converter_M0BMU.gif10-Feb-2014 18:28 32K 
[IMG]Three_Chips_Huff-and-Puff_VFO_G0UPL.gif10-Feb-2014 18:28 15K 
[IMG]Two-Port_Divider_Combiner.gif10-Feb-2014 18:28 12K 
[IMG]Two_Chips_Huff-and-Puff_VFO_G0UPL.gif10-Feb-2014 18:28 15K 
[IMG]1.8MHz-to-14MHz_High_Performance_RX_Converter_W1FB.gif18-Feb-2014 04:50 33K 
[IMG]135MHz-137MHz_VFX_I5BVH.gif18-Feb-2014 04:50 140K 
[IMG]144MHz-146MHz_VFX.gif18-Feb-2014 04:50 66K 
[IMG]144MHz-28MHz_SSB_RX_I4ZBD.gif18-Feb-2014 04:50 170K 
[IMG]144MHz-72MHz_RX_Converter.gif18-Feb-2014 04:50 129K 
[IMG]144MHz-to-432MHz_Varactor_Tripler_I4HHL.gif18-Feb-2014 04:50 19K 
[IMG]144MHz_100W_2N5591_PA_I1RK.gif18-Feb-2014 04:50 224K 
[IMG]144MHz_140W_BM170_PA.gif18-Feb-2014 04:50 111K 
[IMG]144MHz_1xGe_Simple_RX.gif18-Feb-2014 04:50 12K 
[IMG]144MHz_50W_BLY90_Linear_PA.gif18-Feb-2014 04:50 55K 
[IMG]14MHz_VFX_W3MT.gif18-Feb-2014 04:50 21K 
[IMG]1GHz_JFET_ustrip_LO.gif18-Feb-2014 04:50 22K 
[IMG]20m_Direct_Conversion_RX_W1VD.gif18-Feb-2014 04:51 28K 
[IMG]20m_SSB_CW_RX_I0SJX.gif18-Feb-2014 04:51 154K 
[IMG]220MHz-28MHz_TRV_W6HPH.gif18-Feb-2014 04:51 41K 
[IMG]27MHz_2W_AM_TX.gif18-Feb-2014 04:51 59K 
[IMG]28MHz_5W_CW_TX.gif18-Feb-2014 04:51 161K 
[IMG]3MHz-30MHz_50W_PA_WA2EBY.gif18-Feb-2014 04:51 323K 
[IMG]5.5MHz-6MHz_VFO_TS-130.gif18-Feb-2014 04:51 125K 
[IMG]500Hz-500kHz_Ultra_Low_Noise_JFET_Amplifier.gif18-Feb-2014 04:51 12K 
[IMG]50MHz-14MHz_TRV_W6HPH.gif18-Feb-2014 04:51 35K 
[IMG]7MHz-14MHz_1.5W_PA_W1FB.gif18-Feb-2014 04:51 29K 
[IMG]7MHz-to-14MHz_Push-Push_Freq_Doubler_W1FB.gif18-Feb-2014 04:51 14K 
[IMG]7MHz_50mW_1-Transistor_TX_W1FB.gif18-Feb-2014 04:51 13K 
[IMG]7MHz_Vackar_VFX_TX_K6BSU.gif18-Feb-2014 04:51 62K 
[IMG]80m_2W_Sardine_TX_W1FB.gif18-Feb-2014 04:51 25K 
[IMG]9MHz_SSB_Exciter_I5BVH.gif18-Feb-2014 04:51 63K 
[IMG]9MHz_Varicap_BFO.gif18-Feb-2014 04:51 39K 
[IMG]Alternative_Methods_of_Feeding_a_Dipole_Antenna.gif18-Feb-2014 04:51 32K 
[IMG]Alternative_Methods_of_Feeding_Half-Wave_Vertical_Antenna.gif18-Feb-2014 04:51 10K 
[IMG]AM_3xPNP_RX.gif18-Feb-2014 04:51 75K 
[IMG]Audio_Generator_Sq-Sin_uA709.gif18-Feb-2014 04:51 16K 
[IMG]CB-band_AM_TRX.gif18-Feb-2014 04:51 39K 
[IMG]CB-Band_Simple_RX.gif18-Feb-2014 04:51 72K 
[IMG]CB-Band_to_MW-Band_RX_Converter.gif18-Feb-2014 04:51 93K 
[IMG]Digital_Capacimeter_K6DYX.gif18-Feb-2014 04:51 41K 
[IMG]Dip_Oscillator_W0MSF.gif18-Feb-2014 04:51 21K 
[IMG]Dot_Memory_Keyer_WB0LHE.gif18-Feb-2014 04:51 41K 
[IMG]Dynamic_Mic_Preamp_Comp_Filter.gif18-Feb-2014 04:51 92K 
[IMG]FET_Voltmeter_Linear_Readout_W1VD.gif18-Feb-2014 04:51 21K 
[IMG]Gunn_Proximity_Detector.gif18-Feb-2014 04:52 117K 
[IMG]HF_Superhet_Dual_Conversion_RX_K2BLA.gif18-Feb-2014 04:52 61K 
[IMG]Loop_Ant_Diff_Amplifier.gif18-Feb-2014 04:52 38K 
[IMG]Micro-TO_Memory_Keyer_K3CU.gif18-Feb-2014 04:52 55K 
[IMG]Noise_Blanker_FT-DX-401.gif18-Feb-2014 04:52 15K 
[IMG]SSB_Overdrive_Indicator_W4OVO.gif18-Feb-2014 04:52 14K 
[IMG]1.8MHz-to-52MHz_50W_PD55035_PA_DL2EWN.gif21-Feb-2014 17:40 32K 
[IMG]10.7MHz_Wide-Range_VXO.gif21-Feb-2014 17:40 29K 
[IMG]100kHz_Butler_X-LO.gif21-Feb-2014 17:40 44K 
[IMG]100kHz_Crystal_Resonator_Oscillator.gif21-Feb-2014 17:40 15K 
[IMG]100kHz_Low_Freq_X-tal_Oscillator.gif21-Feb-2014 17:40 8.4K 
[IMG]100MHz_Overtone_Butler_LO.gif21-Feb-2014 17:40 42K 
[IMG]100MHz_Super_Stable_Butler_X-LO.gif21-Feb-2014 17:40 21K 
[IMG]1MHz_MOSFET_Vdd-Stable_LO.gif21-Feb-2014 17:40 26K 
[IMG]20m_All-Dual-Gate_MOSFET_RX_W1FB.gif21-Feb-2014 17:40 53K 
[IMG]30.5V_1A_Super_Protected_Variable_PS.gif21-Feb-2014 17:40 35K 
[IMG]30m_Superhet_SSB_RX_KC1V.gif21-Feb-2014 17:40 61K 
[IMG]50MHz_20W_PA_KC1V.gif21-Feb-2014 17:40 33K 
[IMG]96MHz_Overtone_LO.gif21-Feb-2014 17:40 26K 
[IMG]AM_70W_BUZ71_PA.gif21-Feb-2014 17:40 6.3K 
[IMG]Audio_QRM_Filter_KC2FR.gif21-Feb-2014 17:40 69K 
[IMG]Automatic_Antenna_Tuner_W6AAQ.gif21-Feb-2014 17:40 45K 
[IMG]Butler_Mode_Regen_RX.gif21-Feb-2014 17:40 47K 
[IMG]Dual_Pad_Iambic_Keyer.gif21-Feb-2014 17:40 36K 
[IMG]High_Power_L-Match_W7IV.gif21-Feb-2014 17:40 43K 
[IMG]Lambda_Negative_Resistance_Dip_Meter.gif21-Feb-2014 17:40 82K 
[IMG]Mic_Equalizer_K9EID.gif21-Feb-2014 17:40 24K 
[IMG]One_Transistor_Butler_X-LOs.gif21-Feb-2014 17:40 25K 
[IMG]Overtone_7dBm-out_X-tal_LO.gif21-Feb-2014 17:40 55K 
[IMG]Touch_Keyer_K6BSU.gif21-Feb-2014 17:40 42K 
[IMG]X-Pahse-II_Noise_Killer_DG0KW.gif21-Feb-2014 17:40 26K 
[IMG]100kHz_PLL_MC4044.gif22-Feb-2014 08:20 88K 
[IMG]20m_FDIM-2010_CW_TRX_NT7S.gif22-Feb-2014 08:20 118K 
[IMG]AGC_Amp_and_Detector_741.gif22-Feb-2014 08:20 47K 
[IMG]AGC_Audio_DL5MGD.gif22-Feb-2014 08:20 18K 
[IMG]Audio_AGC_2xBJT.gif22-Feb-2014 08:20 5.6K 
[IMG]Audio_AGC_and_VOX.gif22-Feb-2014 08:20 117K 
[IMG]Dual_IF_with_AGC_TL072.gif22-Feb-2014 08:20 232K 
[IMG]High_Efficiency_AGC_PIN_Diodes.gif22-Feb-2014 08:20 123K 
[IMG]IF_Stage_AM_Det_with_AGC.gif22-Feb-2014 08:20 9.1K 
[IMG]Isolated_Audio_Line_Amp.gif22-Feb-2014 08:20 29K 
[IMG]Racal_RA17_Improved_Demodulators.gif22-Feb-2014 08:20 161K 
[IMG]Regenerative_RX_with_AGC.gif22-Feb-2014 08:20 43K 
[IMG]Auto_Volume_Control_and_Limiter.gif22-Feb-2014 08:26 45K 
[IMG]144MHz_BJT_MRF901_LNA_W6IOJ.gif23-Feb-2014 14:08 15K 
[IMG]144MHz_DSB_TX.gif23-Feb-2014 14:08 67K 
[IMG]144MHz_VXO_W6IOJ.gif23-Feb-2014 14:08 19K 
[IMG]30m-to-40m_TRV_W1FB.gif23-Feb-2014 14:08 83K 
[IMG]360MHz-to-440MHz_Signal_Source.gif23-Feb-2014 14:08 37K 
[IMG]40m_QRP_TRX_VU3PRX.gif23-Feb-2014 14:08 246K 
[IMG]40m_SSB_RX_PA2HS.gif23-Feb-2014 14:08 132K 
[IMG]432MHz-to-28MHz_RX_Converter_W6IOJ.gif23-Feb-2014 14:08 45K 
[IMG]7MHz_60W_Class-B_MOSFET_PA_W1FB.gif23-Feb-2014 14:08 37K 
[IMG]80m_SSB_RX_455kHz_IF_W1FB.gif23-Feb-2014 14:08 25K 
[IMG]80m_SSB_RX_9MHz_IF_W1FB.gif23-Feb-2014 14:08 28K 
[IMG]Audio_PA_AGC_Out.gif23-Feb-2014 14:08 9.9K 
[IMG]Broadband_Freq_Doubler.gif23-Feb-2014 14:08 19K 
[IMG]Capacimeter_555_W9QB.gif23-Feb-2014 14:08 35K 
[IMG]Dichotic_Detector_for_CW_W0THM.gif23-Feb-2014 14:08 42K 
[IMG]LC_Meter_W3MT.gif23-Feb-2014 14:08 20K 
[IMG]MOS_PA_SWR_Thermal_Protection_W9QB.gif23-Feb-2014 14:08 21K 
[IMG]Reflection_Coefficient_Bridge_W6ZGN.gif23-Feb-2014 14:08 88K 
[IMG]RF_Mixer_LM-1496.gif23-Feb-2014 14:08 28K 
[IMG]Single_End_Input_DBM_MC1496.gif23-Feb-2014 14:08 26K 
[IMG]1.7MHz-31MHz_Signal_Gen_W1FB.gif11-Mar-2014 15:50 37K 
[IMG]1.8MHz-7.3MHz_VFO_W1FB.gif11-Mar-2014 15:50 37K 
[IMG]12dB_Noise_Source_K6STI.gif11-Mar-2014 15:50 5.2K 
[IMG]13.8V-20A_Protected_Linear_PS.gif11-Mar-2014 15:50 8.0K 
[IMG]150MHz-to-300MHz_Freq_Doubler_MC1496.gif11-Mar-2014 15:50 16K 
[IMG]3.7MHz_3W_CW_TX_W1FB.gif11-Mar-2014 15:50 11K 
[IMG]3MHz-30MHz_SSB_Modulator_MAX2452.gif11-Mar-2014 15:50 61K 
[IMG]5.05-5.075MHz_30m_Harmonic_VFO_AE6C.gif11-Mar-2014 15:50 26K 
[IMG]6m-10m-20m_3xTrans_DSB_TRX.gif11-Mar-2014 15:50 40K 
[IMG]75m-20m_Minimum_Comp_Superhet_RX.gif11-Mar-2014 15:50 61K 
[IMG]75m_Voice_Powered_DSB_TX_AA1TJ.gif11-Mar-2014 15:50 65K 
[IMG]8-way_Power_Divider_W7PUA.gif11-Mar-2014 15:51 30K 
[IMG]80m_QRP_TX_T-R_Switch_LNA_W1FB.gif11-Mar-2014 15:51 18K 
[IMG]9-1_Ferrite_Bead_Choke_Balun.gif11-Mar-2014 15:51 36K 
[IMG]9.5MHz_VXO_1percent.gif11-Mar-2014 15:51 34K 
[IMG]Broadband_HF_Amplifier_W1FB.gif11-Mar-2014 15:51 27K 
[IMG]Crystal_Controlled_Q-meter_W3MT.gif11-Mar-2014 15:51 36K 
[IMG]Differential_IF_Amp_BFR96.gif11-Mar-2014 15:51 54K 
[IMG]Double_Balanced_Mixer_MC1496_Dual_Supply.gif11-Mar-2014 15:51 19K 
[IMG]HF_10W_MRF475_PA_W1FB.gif11-Mar-2014 15:51 34K 
[IMG]HF_VCO_2N2222_as_Varicap.gif11-Mar-2014 15:51 26K 
[IMG]High_IP3_Norton_LNA_AG4R.gif11-Mar-2014 15:51 36K 
[IMG]Low_Freq_SSB_Mod_VK5BR.gif11-Mar-2014 15:51 177K 
[IMG]No-Tune_FM_Demodulator_NE602.gif11-Mar-2014 15:51 24K 
[IMG]Proximity_Detector_2MHz.gif11-Mar-2014 15:51 68K 
[IMG]Proximity_Detector_Adjust_Hold_ON_time.gif11-Mar-2014 15:51 40K 
[IMG]Quarterwave_4-port_Power_Splitter.gif11-Mar-2014 15:51 20K 
[IMG]Quarterwave_Power_Divider.gif11-Mar-2014 15:51 9.4K 
[IMG]T-Network_HF_BJT_Switch.gif11-Mar-2014 15:51 18K 
[IMG]T-Network_HF_Diode_Switch.gif11-Mar-2014 15:51 12K 
[IMG]TX-RX_Switch_CW_Monitor_W1FB.gif11-Mar-2014 15:51 20K 
[IMG]10MHz-63MHz_X-tal_LO.gif16-Mar-2014 14:18 22K 
[IMG]144MHz_VFX_KK7B.gif16-Mar-2014 14:18 47K 
[IMG]144MHz_VXO_KK7B.gif16-Mar-2014 14:18 49K 
[IMG]1GHz-16GHz_Wideband_Horn_Ant.gif16-Mar-2014 14:18 80K 
[IMG]20MHz-50MHz-100MHz_X-tal_LOs.gif16-Mar-2014 14:18 33K 
[IMG]20MHz_Very_Stable_ECL_LO.gif16-Mar-2014 14:18 14K 
[IMG]4MHz-14MHz_NOT-Gate_X-tal_LO.gif16-Mar-2014 14:18 11K 
[IMG]50kHz-150kHz_X-tal_LO.gif16-Mar-2014 14:18 40K 
[IMG]50MHz-105MHz_X-tal_LO.gif16-Mar-2014 14:18 16K 
[IMG]80m_30W_IRF511.gif16-Mar-2014 14:18 31K 
[IMG]910MHz_ATV_TX_K2MQJ.gif16-Mar-2014 14:18 52K 
[IMG]915MHz_ATV_RX_Downconverter_K2CWL.gif16-Mar-2014 14:18 53K 
[IMG]9MHz_IF_Amp_32dBm-IP3_N6NWP.gif16-Mar-2014 14:18 38K 
[IMG]Above_100MHz_Overtone_X-tal_LO.gif16-Mar-2014 14:18 15K 
[IMG]Antenna_Analyzer_PA1ARE.gif16-Mar-2014 14:18 110K 
[IMG]Audio_SWR_Meter_G4YNM.gif16-Mar-2014 14:18 19K 
[IMG]Caron_Parallel_Impedance_Bridge.gif16-Mar-2014 14:18 29K 
[IMG]HF_Push-Pull_LNA_N6NWP.gif16-Mar-2014 14:18 22K 
[IMG]MFJ249_Antenna_Analyzer.gif16-Mar-2014 14:18 28K 
[IMG]PIN_Atten_with_DC_Amp_KA2WEU.gif16-Mar-2014 14:18 13K 
[IMG]S-Unit_Equivalents_on_50ohms.gif16-Mar-2014 14:18 4.9K 
[IMG]144MHz_GaAs_LNA_MGF1502.gif04-Apr-2014 12:40 68K 
[IMG]1Hz-1MHz_Function_Gen.gif04-Apr-2014 12:40 140K 
[IMG]1MHz-10MHz_VCO_OpAmp.gif04-Apr-2014 12:40 109K 
[IMG]2.7MHz_VCO_Ten-Tec-555.gif04-Apr-2014 12:40 20K 
[IMG]27MHz_QRP_FM_TRX.gif04-Apr-2014 12:40 194K 
[IMG]2GHz-10GHz_Cavity_Multiplier.gif04-Apr-2014 12:40 144K 
[IMG]2GHz_Broadband_Branch-Line_Quadrature_Hybrid.gif04-Apr-2014 12:41 24K 
[IMG]30MHz-4GHz_Up-Down_Mixer_LTC5510.gif04-Apr-2014 12:41 52K 
[IMG]380MHz_Signal_Source.gif04-Apr-2014 12:41 132K 
[IMG]4.43MHz_6-pole_Ladder_Filter.gif04-Apr-2014 12:41 5.5K 
[IMG]44.975MHz_X-tal_LO.gif04-Apr-2014 12:41 15K 
[IMG]6.144MHz_Variable-BW_X-tal_Filter_Ten-Tec.gif04-Apr-2014 12:41 53K 
[IMG]60-70MHz_Stabilized_VFO_DC4KU.gif04-Apr-2014 12:41 234K 
[IMG]90MHz-1090MHz_Cont_Range_Signal_Source_IFR1500.gif04-Apr-2014 12:41 53K 
[IMG]Coupled-line_Reduced-size_Directional_Coupler.gif04-Apr-2014 12:41 16K 
[IMG]Dip_Meter_DJ4UF.gif04-Apr-2014 12:41 58K 
[IMG]Increased_Directivity_uStrip_Couplers.gif04-Apr-2014 12:41 17K 
[IMG]Lange_Directional_Couplers.gif04-Apr-2014 12:41 26K 
[IMG]Microstrip_Cascaded_Quadruplet_Filter.gif04-Apr-2014 12:41 27K 
[IMG]New-Type_3-Way_Power_Divider.gif04-Apr-2014 12:41 17K 
[IMG]No_Inductors_AM_QRP_TX.gif04-Apr-2014 12:41 65K 
[IMG]Pulse-Width_to_Voltage_Converter.gif04-Apr-2014 12:41 83K 
[IMG]Return_Loss_Sweeper.gif04-Apr-2014 12:41 114K 
[IMG]Shortwave_Regen_RX_K1DG.gif04-Apr-2014 12:41 20K 
[IMG]Theremin_MC1496.gif04-Apr-2014 12:41 350K 
[IMG]UHF_Push-Pull_LNA_NE02135.gif04-Apr-2014 12:42 94K 
[IMG]VHF_900W_PA_ARF476L.gif04-Apr-2014 12:42 31K 
[IMG]Voltage_to_Frequency_Converter.gif04-Apr-2014 12:42 150K 
[IMG]Wideband_AGC_Amp_MC1496.gif04-Apr-2014 12:42 27K 
[IMG]Wideband_High-IP3_Push-Pull_LNA_ASL552.gif04-Apr-2014 12:42 46K 
[IMG]Coupled_Line_Directional_Couplers.gif04-Apr-2014 12:49 38K 
[IMG]144MHz_200mW_Modulated_Beacon.gif30-Apr-2014 07:22 112K 
[IMG]144MHz_RX_Converter_JFETs.gif30-Apr-2014 07:23 331K 
[IMG]1xGe_BJT_VHF_Air-Band_RX.gif30-Apr-2014 07:23 95K 
[IMG]23cm_LNA_PE1PZN.gif30-Apr-2014 07:23 122K 
[IMG]27MHz_2W_FM_TX_IW0CZP.gif30-Apr-2014 07:23 100K 
[IMG]7MHz_2xFET_QRP_CW_ TX.gif30-Apr-2014 07:23 54K 
[IMG]9MHz_FM_IF_CA3089_DC4KU.gif30-Apr-2014 07:23 47K 
[IMG]All_HF_Bands_Superregen_RX_WB0NQM.gif30-Apr-2014 07:23 187K 
[IMG]Audio_Notch_and_BPF_I6MQS.gif30-Apr-2014 07:23 36K 
[IMG]Branch_Line_Coupler_with_DGS.gif30-Apr-2014 07:23 20K 
[IMG]Gaussmeter_KB4ZGC.gif30-Apr-2014 07:23 54K 
[IMG]HeathKit_HD1250_Dip_Meter.gif30-Apr-2014 07:23 66K 
[IMG]HF_Low_Phase_Noise_Differential_LO.gif30-Apr-2014 07:23 87K 
[IMG]HF_Superregen_RX_BF981.gif30-Apr-2014 07:23 119K 
[IMG]High_Dynamic_Range_QSD_Front-End_Mixer_IK1ODO.gif30-Apr-2014 07:23 36K 
[IMG]Low_Voltage_HF_Active_Antenna_Preamp.gif30-Apr-2014 07:23 44K 
[IMG]Simple_Radio_Sniffer.gif30-Apr-2014 07:23 29K 
[IMG]Superhet_AM_RX_TR-1.gif30-Apr-2014 07:23 147K 
[IMG]UHF_LNA_BFG65.gif30-Apr-2014 07:23 60K 
[IMG]Up-to-120MHz_Low_Phase_Noise_X-tal_LO.gif30-Apr-2014 07:23 83K 
[IMG]Up-to-200MHz_Very_Low_Phase_Noise_X-tal_LO.gif30-Apr-2014 07:23 49K 
[IMG]1.8MHz-2MHz_Seiler_VFO_G3BIK.gif15-May-2014 17:56 9.2K 
[IMG]108MHz_Tracking_TX_K2ZSQ.gif15-May-2014 17:56 62K 
[IMG]144MHz-14MHz_2xLNA_RX_Converter_WB2EGZ.gif15-May-2014 17:56 30K 
[IMG]144MHz-14MHz_Low_Noise_RX_Converter_W6AJF.gif15-May-2014 17:56 26K 
[IMG]144MHz-14MHz_MOSFET_RX_Converter_WB2EGZ.gif15-May-2014 17:56 26K 
[IMG]144MHz-14MHz_RX_Converter_W1DTY.gif15-May-2014 17:56 12K 
[IMG]144MHz-29MHz_RX_Converter_WA6SXC.gif15-May-2014 17:56 31K 
[IMG]144MHz_Ge_BJT_LNA.gif15-May-2014 17:56 39K 
[IMG]15m_QRP_CW_TRX_MFJ-9015.gif15-May-2014 17:56 65K 
[IMG]15m_Tuthill_QRP_CW_TRX.gif15-May-2014 17:56 128K 
[IMG]162MHz_Tunable_FM_RX_W6GXN.gif15-May-2014 17:56 38K 
[IMG]220MHz-14MHz_Low_Noise_RX_Converter_W6AJF.gif15-May-2014 17:56 129K 
[IMG]26MHz-34MHz_Vackar_VFO.gif15-May-2014 17:56 11K 
[IMG]27MHz_Micro-TRX.gif15-May-2014 17:56 33K 
[IMG]28.225MHz_Beacon.gif15-May-2014 17:56 48K 
[IMG]28MHz_10W_Vackar_VFO_TX_K2ZSQ.gif15-May-2014 17:56 18K 
[IMG]28MHz_No-Radiation_Regen_RX.gif15-May-2014 17:56 9.1K 
[IMG]3.4MHz-4MHz_Seiler_FET_VFO.gif15-May-2014 17:56 11K 
[IMG]3.5MHz-4MHz_Stable_FET_Vackar_VFO.gif15-May-2014 17:56 8.8K 
[IMG]4.9MHz-5.6MHz_VFO_K9ALD.gif15-May-2014 17:56 9.8K 
[IMG]4.9MHz-6.1MHz_VFO_W3JHR.gif15-May-2014 17:56 6.9K 
[IMG]40m-17m_QRP_Antenna_Coupler_SWR_KI6SN.gif15-May-2014 17:56 72K 
[IMG]40m_5W_VFO_CW_TX_W6EAC.gif15-May-2014 17:56 110K 
[IMG]432MHz-1296MHz_Signal_Source_K6RIL.gif15-May-2014 17:56 68K 
[IMG]432MHz-14MHz_Low_Noise_RX_Converter_W6AJF.gif15-May-2014 17:57 134K 
[IMG]432MHz-28MHz_RX_Converter_WA6SXC.gif15-May-2014 17:57 38K 
[IMG]50MHz-14MHz_Low_Noise_RX_Converter_W6AJF.gif15-May-2014 17:57 89K 
[IMG]50MHz-14MHz_RX_Converter_WB2EGZ.gif15-May-2014 17:57 18K 
[IMG]50MHz_6W_CW_TX.gif15-May-2014 17:57 35K 
[IMG]7MHz_2W_One_BJT_CW_TX_W6BLZ.gif15-May-2014 17:57 24K 
[IMG]80m-40m_8W_CW_TX_W7IGV.gif15-May-2014 17:57 58K 
[IMG]80m_Sardine-Ceiver_NY9D.gif15-May-2014 17:57 56K 
[IMG]AFSK_Oscillator.gif15-May-2014 17:57 16K 
[IMG]Digital_Sinewave_Generator.gif15-May-2014 17:57 23K 
[IMG]Dip_Meter_W6BLZ.gif15-May-2014 17:57 55K 
[IMG]Dual_Channel_Audio_Compressor_W2EEY.gif15-May-2014 17:57 23K 
[IMG]E-Z_Impedance_Bridge_WA9QIP.gif15-May-2014 17:57 44K 
[IMG]Field_Strength_Meter_K2ZSQ.gif15-May-2014 17:57 44K 
[IMG]HF-3.5MHz_RX_Converter_VE3GFN.gif15-May-2014 17:57 28K 
[IMG]HF_100mW_CW_TX.gif15-May-2014 17:57 11K 
[IMG]HF_5W_CW_TX_2N3053.gif15-May-2014 17:57 11K 
[IMG]HF_High-Power_Balun_WA6BAN.gif15-May-2014 17:57 21K 
[IMG]HF_mW_CW_TX_W5TYP.gif15-May-2014 17:57 17K 
[IMG]Infrared_Proiximity_Detector_CA3240.gif15-May-2014 17:57 42K 
[IMG]Input_Stage_for_Freq_Meter_K4EEU.gif15-May-2014 17:57 9.4K 
[IMG]Microwave_Doppler_Proximity_Sensor_RD9481.gif15-May-2014 17:57 59K 
[IMG]Optical_Proximity_Detector_SDP8403.gif15-May-2014 17:57 46K 
[IMG]Short_Range_AM_TX.gif15-May-2014 17:57 46K 
[IMG]SSB_Generator_W1DTY.gif15-May-2014 17:57 12K 
[IMG]SW_Regen_RX_W7GNT.gif15-May-2014 17:57 9.5K 
[IMG]Temp_and_Gain_Compensated_Voltmeter.gif15-May-2014 17:57 8.5K 
[IMG]Thermal_Proximity_Detector_RPW100.gif15-May-2014 17:57 89K 
[IMG]Ultrasonic_Proximity_Detector.gif15-May-2014 18:07 37K 
[IMG]Ultrasonic_Proximity_Detector_2xBJT.gif15-May-2014 18:07 32K 
[IMG]144MHz-432MHz_22W_Tripler_W1OOP.gif16-May-2014 18:07 18K 
[IMG]144MHz_13W_PA_W1OOP.gif16-May-2014 18:07 36K 
[IMG]144MHz_LNA_K6HCP.gif16-May-2014 18:07 50K 
[IMG]14MHz_Temp_Compensat_VFX.gif16-May-2014 18:07 10K 
[IMG]170MHz-240MHz_Current_Controlled_LO_Vari-L.gif16-May-2014 18:07 8.0K 
[IMG]20MHz-50MHz_Regen_RX_Vari-L.gif16-May-2014 18:07 19K 
[IMG]220MHz-14MHz_RX_Converter_WB2EGZ.gif16-May-2014 18:07 32K 
[IMG]24MHz_FM_Modulator_W6SAI.gif16-May-2014 18:07 7.9K 
[IMG]250MHz-380MHz_Current_Controlled_LO_Vari-L.gif16-May-2014 18:07 9.0K 
[IMG]25MHz-420MHz_Tunable_BPF_K6RIL.gif16-May-2014 18:07 57K 
[IMG]2GHz-2.5GHz_Tunable_BPF_K6RIL.gif16-May-2014 18:07 98K 
[IMG]30MHz-30.5MHz_Stable_VFO_W1OOP.gif16-May-2014 18:07 19K 
[IMG]432MHz-1296MHz_Varactor_Freq_tripler_K4SUM.gif16-May-2014 18:07 17K 
[IMG]432MHz_FET_LNA_W1DTY.gif16-May-2014 18:07 13K 
[IMG]432MHz_Through-Line_BPF_K6RIL.gif16-May-2014 18:07 143K 
[IMG]5kHz-75kHz_Current_Controlled_LO_Vari-L.gif16-May-2014 18:07 9.4K 
[IMG]5MHz-5.5MHz_Seiler_VFO_W1DTY.gif16-May-2014 18:07 69K 
[IMG]7MHz_0.5W_CW_TX_K0VQY.gif16-May-2014 18:07 15K 
[IMG]8MHz_Phase_Modulator_W6SAI.gif16-May-2014 18:07 14K 
[IMG]AGC_Circuit_from_Audio_W1DTY.gif16-May-2014 18:07 68K 
[IMG]Any_Crystal_QRP_CW_TX.gif16-May-2014 18:07 8.0K 
[IMG]Audio_AGC_Squelch_BJT-PA.gif16-May-2014 18:07 32K 
[IMG]Beat_Crystal_Freq_Meter_W5JSN.gif16-May-2014 18:07 16K 
[IMG]Double-Tuned_FM_Discriminator_W6SAI.gif16-May-2014 18:07 7.3K 
[IMG]Foster-Seeley_FM_Demod_W6SAI.gif16-May-2014 18:07 5.2K 
[IMG]Low_Freq_Pierce_X-tal_LOs.gif16-May-2014 18:07 11K 
[IMG]Postdetection_Audio_Selector.gif16-May-2014 18:07 28K 
[IMG]Product_Det_Audio_Preamp_W3TNO.gif16-May-2014 18:07 75K 
[IMG]Pure_FM_Modulator_W6SAI.gif16-May-2014 18:08 8.4K 
[IMG]Pure_FM_Ratio_Detector_W6SAI.gif16-May-2014 18:08 6.3K 
[IMG]Regenerative_Audio_Filter_WB6IOM.gif16-May-2014 18:08 6.7K 
[IMG]Squelch_Circuit_K6HWJ.gif16-May-2014 18:08 13K 
[IMG]Squelch_Circuit_W6SAI.gif16-May-2014 18:08 18K 
[IMG]144MHz_DSB_TRX_VK3AJG.gif17-May-2014 03:17 114K 
[IMG]1296MHz-28MHz_RX_Converter_VK4ZT.gif19-May-2014 17:35 48K 
[IMG]144MHz-28MHz_RX_Converter_W6UOV.gif19-May-2014 17:35 96K 
[IMG]144MHz-28MHz_RX_Converter_WA6NCT.gif19-May-2014 17:35 99K 
[IMG]144MHz-432MHz_Signal_Source_K6JC.gif19-May-2014 17:35 13K 
[IMG]144MHz_20mW-9W_PA_WA7KRE.gif19-May-2014 17:35 9.4K 
[IMG]144MHz_AM-FM_Superhet_RX_WA9CGZ.gif19-May-2014 17:35 54K 
[IMG]175MHz_25W_PA_WA7KRE.gif19-May-2014 17:35 12K 
[IMG]300MHz_2.5W_Complementary_PA_WA7KRE.gif19-May-2014 17:35 9.5K 
[IMG]40m-10m-to-80m_RX_Converter_VE3GFN.gif19-May-2014 17:35 36K 
[IMG]432MHz-28MHz_RX_Converter_K6JC.gif19-May-2014 17:35 36K 
[IMG]80m-40m_DCR_K1BQT.gif19-May-2014 17:35 24K 
[IMG]80m_Versatile_Superhet_RX_W1PLJ.gif19-May-2014 17:35 63K 
[IMG]8MHz_Phase_Modulator_WA6AJF.gif19-May-2014 17:35 13K 
[IMG]9MHz_SSB_Modulator_W9KIT.gif19-May-2014 17:35 46K 
[IMG]AM_Modulated_DC_PS_W5QAO.gif19-May-2014 17:35 15K 
[IMG]Capacitance_Meter_ZL2AUE.gif19-May-2014 17:35 17K 
[IMG]Electrical_Properties_of_TL_Resonators.gif19-May-2014 17:35 13K 
[IMG]Frequency_Shift_Meter_VK3ZNV.gif19-May-2014 17:35 25K 
[IMG]Laser_Detector_W4KAE.gif19-May-2014 17:35 22K 
[IMG]Logarithmic_Speech_Processor_WA3FIY.gif19-May-2014 17:35 17K 
[IMG]Random_Length_Antenna_Tuner_W2OUX.gif19-May-2014 17:35 14K 
[IMG]RF_Impedance_Bridge_WB2EGZ.gif19-May-2014 17:36 122K 
[IMG]Up-to_1.3GHz_Harmonic_Generator_W6CMQ.gif19-May-2014 17:36 12K 
[IMG]Very_Simple_Audio_Filters_W4NVK.gif19-May-2014 17:36 22K 
[IMG]VHF_1-BJT_PAs_WA7KRE.gif19-May-2014 17:36 31K 
[IMG]1.8MHz_Push-Pull_X-tal_LO_W3FQJ.gif20-May-2014 16:52 11K 
[IMG]1296MHz_LNA_WA2VTR.gif20-May-2014 16:52 52K 
[IMG]144MHz-14MHz_Deluxe_RX_Converter_WB2EGZ.gif20-May-2014 16:52 85K 
[IMG]144MHz_10W_PA_K1AOB.gif20-May-2014 16:52 9.7K 
[IMG]144MHz_12W_PA_W6AJF.gif20-May-2014 16:52 22K 
[IMG]144MHz_8W_PM_TX_W6AJF.gif20-May-2014 16:53 22K 
[IMG]14MHz-50MHz_Harmonic_PLL_VE5FP.gif20-May-2014 16:53 37K 
[IMG]21MHz-42MHz_Freq_Doubler_W6GXN.gif20-May-2014 16:53 9.8K 
[IMG]225MHz_Parametric_Freq_Doubler_W6GXN.gif20-May-2014 16:53 13K 
[IMG]28MHz_Signal_Source_W6GXN.gif20-May-2014 16:53 15K 
[IMG]404MHz_Signal_Source_W6GXN.gif20-May-2014 16:53 20K 
[IMG]50MHz+500W_Antenna_Coupler_K1RAK.gif20-May-2014 16:53 84K 
[IMG]50MHz-144MHz_Printed_BP_LNA_W5KHT.gif20-May-2014 16:53 36K 
[IMG]50MHz-144MHz_Printed_Interdigital_BPF_W5KHT.gif20-May-2014 16:53 138K 
[IMG]50MHz-14MHz_Deluxe_RX_Converter_WB2EGZ.gif20-May-2014 16:53 93K 
[IMG]7MHz-7.3MHz_Seiler_VFO_K4BGF.gif20-May-2014 16:53 16K 
[IMG]7MHz-7.3MHz_Vackar_VFO_K4BGF.gif20-May-2014 16:53 12K 
[IMG]80m_Superhet_SSB_RX_VE3ELP.gif20-May-2014 16:53 78K 
[IMG]8MHz-1296MHz_Weak_Signal_Source_K6JYO.gif20-May-2014 16:53 24K 
[IMG]AGC_Audio_WA5SNZ.gif20-May-2014 16:53 37K 
[IMG]AM_Modulator_K1AOB.gif20-May-2014 16:53 14K 
[IMG]Aural_Tuner_W9NTP.gif20-May-2014 16:53 72K 
[IMG]Broadband_Complementary_FET_Doubler_W6GXN.gif20-May-2014 16:53 10K 
[IMG]Broadband_Freq_Multipliers_W6GXN.gif20-May-2014 16:53 11K 
[IMG]Broadband_Push-Push_Freq_Doubler_W6GXN.gif20-May-2014 16:53 8.3K 
[IMG]Complementary_Comm-Base_Multipliers_W6GXN.gif20-May-2014 16:53 12K 
[IMG]Complementary_FET_Multipliers_W6GXN.gif20-May-2014 16:53 11K 
[IMG]Complementary_Freq_Multipliers_W6GXN.gif20-May-2014 16:53 12K 
[IMG]Dual_FET_DSB_Modulator.gif20-May-2014 16:53 7.4K 
[IMG]FET_Freq_Multipliers_W6GXN.gif20-May-2014 16:53 10K 
[IMG]Freq_Divider_SSB_Generator_W7BZ.gif20-May-2014 16:53 32K 
[IMG]Freq_Multiplier_for_2m_TRV_W0LER.gif20-May-2014 16:53 11K 
[IMG]High_Efficiency_Freq_Tripler_W6GXN.gif20-May-2014 16:53 8.8K 
[IMG]Low_Power_Varactor_Freq_Tripler_W6GXN.gif20-May-2014 16:53 7.9K 
[IMG]Push-Pull_Freq_Tripler_W6GXN.gif20-May-2014 16:53 5.7K 
[IMG]Push-Push_Freq_Doubler_W6GXN.gif20-May-2014 16:53 5.7K 
[IMG]RF_Speech_Processor_K6JYO.gif20-May-2014 16:53 19K 
[IMG]Speech_Compressor_LM370_VK9GN.gif20-May-2014 16:53 22K 
[IMG]TDR_Test_System_WA0PIA.gif20-May-2014 16:53 20K 
[IMG]UHF_Parametric_Freq_Multiplier_W6GXN.gif20-May-2014 16:53 13K 
[IMG]VHF_200mW_PM_TX_K2BLA.gif20-May-2014 16:53 81K 
[IMG]VHF_2W_FM_TX_WA0UZO.gif20-May-2014 16:53 106K 
[IMG]VHF_Coaxial_Stub_Filter_W6SAI.gif20-May-2014 16:53 36K 
[IMG]VHF_Wireless_Marker_Generator_W4JAZ.gif20-May-2014 16:53 34K 
[IMG]VOX_and_CW_Break-In_W9KIT.gif20-May-2014 16:54 14K 
[IMG]Zenner_Emulator_WA5EKA.gif20-May-2014 16:54 29K 
[IMG]1.8MHz_Phasing_DSB_Generator_W3FQJ.gif23-May-2014 10:04 39K 
[IMG]144MHz_6W_FM_TX_W9SEK.gif23-May-2014 10:04 68K 
[IMG]144MHz_Cascode_FET_LNA_WA2GCF.gif23-May-2014 10:04 7.9K 
[IMG]144MHz_Cooled_FET_LNA_WA0RDX.gif23-May-2014 10:04 19K 
[IMG]15MHz_Stable_Franklin_VFO_W5JJ.gif23-May-2014 10:04 11K 
[IMG]200kHz_Op_Amp_LOs_W6GXN.gif23-May-2014 10:04 26K 
[IMG]21MHz_Emitter_Tuned_LNA_WA5SNZ.gif23-May-2014 10:05 38K 
[IMG]2304MHz_Converter_WA2LTM.gif23-May-2014 10:05 53K 
[IMG]2304MHz_LNA_VA3VTR.gif23-May-2014 10:05 13K 
[IMG]2304MHz_Tuned_Noise_Source_VA3VTR.gif23-May-2014 10:05 50K 
[IMG]2MHz-100MHz_Freq_Measuring_LO_W6IEL.gif23-May-2014 10:05 20K 
[IMG]40m-20m_to_80m_RX_Converter_VE3GFN.gif23-May-2014 10:05 41K 
[IMG]5MHz-5.5MHz_Very_Stable_Seiler_VFO_OH2CD.gif23-May-2014 10:05 23K 
[IMG]72MHz_3-way_Divider_W1DAX.gif23-May-2014 10:05 7.7K 
[IMG]7MHz_Seiler_CW_QRPP_TX_W3FQJ.gif23-May-2014 10:05 10K 
[IMG]80m-40m-20m_One_Diode_DCR_K6BIJ.gif23-May-2014 10:05 13K 
[IMG]80m-40m_2W_PA_W3QBO.gif23-May-2014 10:05 13K 
[IMG]80m_Selective_Preselector_WA7BPO.gif23-May-2014 10:05 11K 
[IMG]Audio_Pre-emphasis_OH2CD.gif23-May-2014 10:05 80K 
[IMG]Direct_Reading_Capacimeter_W6MUR.gif23-May-2014 10:05 144K 
[IMG]Hang-AGC_SSB-AM_Detector_W1ERJ.gif23-May-2014 10:05 26K 
[IMG]HF_1W_CW_TX_K8EEG.gif23-May-2014 10:05 27K 
[IMG]HF_Push-Push_QRPP_CW_TX_W3FQJ.gif23-May-2014 10:05 6.5K 
[IMG]HF_Superhet_SSB_RX_K6SDX.gif23-May-2014 10:05 151K 
[IMG]Low_Distortion_2-Tone_Audio_Gen_W6GXN.gif23-May-2014 10:05 25K 
[IMG]N-way_Power_Divider_Combiner_W1DAX.gif23-May-2014 10:05 9.2K 
[IMG]Reciprocating_SSB_Detector_W1SNN.gif23-May-2014 10:05 43K 
[IMG]VHF_FET_Preselector_K6BIJ.gif23-May-2014 10:05 16K 
[IMG]VHF_FM_Superhet_RX_WA2GCF.gif23-May-2014 10:05 177K 
[IMG]28MHz_Super-Regenerative_RX.gif23-May-2014 10:30 11K 
[IMG]28MHz_Superregen_RX.gif23-May-2014 10:30 65K 
[IMG]1296MHz_Noise_Source_W3BSV.gif25-May-2014 08:08 102K 
[IMG]144MHz_10W_PA_W4CGC.gif25-May-2014 08:08 31K 
[IMG]144MHz_35W_PA_W4CGC.gif25-May-2014 08:08 29K 
[IMG]144MHz_80W_PA_2N6084.gif25-May-2014 08:08 44K 
[IMG]15Hz_40kHz_Wienbridge_Signal_Gen_W6GXN.gif25-May-2014 08:08 18K 
[IMG]20m_2W_Vackar_VFO_CW_TX_W3QBO.gif25-May-2014 08:08 112K 
[IMG]20m_Micropower_15mA_SSB_RX_WB9FHC.gif25-May-2014 08:08 41K 
[IMG]20m_SSB_TRX_W5BAA.gif25-May-2014 08:08 89K 
[IMG]20MHz_Very_Low_Dist_Colpitts_LO.gif25-May-2014 08:08 6.7K 
[IMG]220MHz_10W_PA_K7JUE.gif25-May-2014 08:08 22K 
[IMG]29MHz-51MHz_Tunable_PLL_W1KNI.gif25-May-2014 08:08 80K 
[IMG]500kHz_Speech_Clipper_K6HTM.gif25-May-2014 08:08 38K 
[IMG]50MHz-144MHz_Cascode_FET_LNA_WA2GCF.gif25-May-2014 08:08 9.9K 
[IMG]5MHz-5.5MHz_Stable_MOSFET_VFO_VE6ABX.gif25-May-2014 08:08 11K 
[IMG]5MHz_Stable_X-tal_LO_W4AAD.gif25-May-2014 08:08 16K 
[IMG]600kHz-12MHz_Modulated_Sig_Gen_W6GXN.gif25-May-2014 08:08 22K 
[IMG]80m-30m_Phasing_RX_WA0JYK.gif25-May-2014 08:08 71K 
[IMG]80m_1.5W_PA_VE6ABX.gif25-May-2014 08:08 23K 
[IMG]80m_10W_PA_VE6ABX.gif25-May-2014 08:08 100K 
[IMG]AFSK_RTTY_Generator_W6LLO.gif25-May-2014 08:08 109K 
[IMG]Audio_Filter_Compressor_PA_K4DHC.gif25-May-2014 08:08 31K 
[IMG]BJT_Bug_K2FV.gif25-May-2014 08:08 16K 
[IMG]Broadband_Amplifiers_MC1590G_W6GXN.gif25-May-2014 08:08 26K 
[IMG]Digital_Mixer_WB8IFM.gif25-May-2014 08:08 14K 
[IMG]Functions_Gen_555.gif25-May-2014 08:08 22K 
[IMG]HF_Superhet_Plessey-ICs_RX_G8FNT.gif25-May-2014 08:08 23K 
[IMG]High_Efficiency_Speech_Processor_W2MB.gif25-May-2014 08:08 107K 
[IMG]IF_Sweep_Gen_K4DHC.gif25-May-2014 08:08 47K 
[IMG]Impedance_Bridge_YA1GJM.gif25-May-2014 08:09 23K 
[IMG]Johnson_Kilowatt_Matchinbox.gif25-May-2014 08:09 6.7K 
[IMG]Low_Cost_Memory_Keyer_WB9FHC.gif25-May-2014 08:09 28K 
[IMG]Low_Duty_Cycle_Pulse_Gen.gif25-May-2014 08:09 6.3K 
[IMG]Low_Voltage_Audio_AGC_WA5SNZ.gif25-May-2014 08:09 25K 
[IMG]Noise_Blanker_K4DHC.gif25-May-2014 08:09 22K 
[IMG]Noise_Reduction_for_CW_W2ELV.gif25-May-2014 08:09 12K 
[IMG]Passive_Phasing_SSB_Gen_W7CMJ.gif25-May-2014 08:09 13K 
[IMG]PLL_AFSK_Gen_K7ZOF.gif25-May-2014 08:09 15K 
[IMG]Speech_Processor_VE6BB.gif25-May-2014 08:09 8.3K 
[IMG]Variable-Q_Filter_W1SNN.gif25-May-2014 08:09 14K 
[IMG]Variable_Dash_Length_Keyer_WA5TRS.gif25-May-2014 08:09 12K 
[IMG]VHF_2-FET_Tunable_LNA_WA9RAQ.gif25-May-2014 08:09 21K 
[IMG]VHF_All-Mode_Superhet_RX_W1SNN.gif25-May-2014 08:09 175K 
[IMG]VHF_Feedback_LNA_W1OOP.gif25-May-2014 08:09 7.8K 
[IMG]VHF_Low_Voltage_Regen_RX_WA5SNZ.gif25-May-2014 08:09 79K 
[IMG]Voltage_Controlled_Waveform_Generator.gif25-May-2014 08:09 18K 
[IMG]WWV_Regen_RX_WA5SNZ.gif25-May-2014 08:09 14K 
[IMG]Zero_Crossing_Level_Detector.gif25-May-2014 08:09 10K 
[IMG]10m_100mW_Beacon_LY3LP.gif01-Jun-2014 12:09 41K 
[IMG]10m_1W_CW_TX_LY3LP.gif01-Jun-2014 12:09 70K 
[IMG]10m_1W_MOSFET_TX_LY3LP.gif01-Jun-2014 12:09 19K 
[IMG]10m_DCR_LA1185_LY3LP.gif01-Jun-2014 12:09 19K 
[IMG]10m_DCR_LY3LP.gif01-Jun-2014 12:09 19K 
[IMG]10m_Superhet_RX_LA1185_LY3LP.gif01-Jun-2014 12:09 17K 
[IMG]1296MHz_427MHz_RX_Converter_LY3LP.gif01-Jun-2014 12:09 9.4K 
[IMG]1296MHz_Generator_LY3LP.gif01-Jun-2014 12:09 8.3K 
[IMG]1296MHz_Superregen_RX_LY3LP.gif01-Jun-2014 12:09 12K 
[IMG]1300MHz_SAW_Resonator_TX_LY3LP.gif01-Jun-2014 12:09 12K 
[IMG]13m_1W_CW_TX_LY3LP.gif01-Jun-2014 12:09 16K 
[IMG]144MHz_2W_FM_TX_W6AOI.gif01-Jun-2014 12:09 36K 
[IMG]144MHz_Continous_Coverage_RX_W6AOI.gif01-Jun-2014 12:09 65K 
[IMG]144MHz_MOSFET_LNA_W8BBB.gif01-Jun-2014 12:09 25K 
[IMG]20m_1.5W_QRP_TRX_W7ZOI.gif01-Jun-2014 12:09 95K 
[IMG]20m_DCR_LY3LP.gif01-Jun-2014 12:09 17K 
[IMG]220MHz_VCO_W6GXN.gif01-Jun-2014 12:09 20K 
[IMG]2304MHz_LNA_WA9HUV.gif01-Jun-2014 12:09 23K 
[IMG]2304MHz_Narrowband_LNA_WA9HUV.gif01-Jun-2014 12:09 84K 
[IMG]28MHz-144MHz_SSB_Upconverter_W6NBI.gif01-Jun-2014 12:09 29K 
[IMG]2m_Walkie_Talkie_W1DEJ.gif01-Jun-2014 12:09 102K 
[IMG]3MHz-30MHz_320W_PA.gif01-Jun-2014 12:09 98K 
[IMG]422MHz_Sign_Source_W6FZJ.gif01-Jun-2014 12:10 27K 
[IMG]432MHz_1296MHz_Varactor_Tripler_WA6UAM.gif01-Jun-2014 12:10 16K 
[IMG]434MHz_Superegen_RX_LY3LP.gif01-Jun-2014 12:10 17K 
[IMG]455kHz_BFO_W1SNN.gif01-Jun-2014 12:10 6.4K 
[IMG]50MHz_PLL_Synthesizer_W1KNI.gif01-Jun-2014 12:10 121K 
[IMG]6m_1W_CW_TX_LY3LP.gif01-Jun-2014 12:10 17K 
[IMG]6m_DCR_LY3LP.gif01-Jun-2014 12:10 15K 
[IMG]6m_Superhet_RX_LA1185_LY3LP.gif01-Jun-2014 12:10 20K 
[IMG]70.2MHz_Sign_Gen_LY3LP.gif01-Jun-2014 12:10 23K 
[IMG]70cm_100mW_Beacon_LY3LP.gif01-Jun-2014 12:10 50K 
[IMG]7MHz_QRP_CW_TRX_W7BBX.gif01-Jun-2014 12:10 153K 
[IMG]80m-40m_SSB_RX_K4DHC.gif01-Jun-2014 12:10 54K 
[IMG]80m_40m_35W_Class-D_PA_WB8LOK.gif01-Jun-2014 12:10 36K 
[IMG]868MHz_Remote_Control_RX_LY3LP.gif01-Jun-2014 12:10 47K 
[IMG]Audio_LPF_Headphone_Amp_W7ZOI.gif01-Jun-2014 12:10 11K 
[IMG]Cascode_FET_Amp_with_AGC.gif01-Jun-2014 12:10 11K 
[IMG]CMOS_Iambic_Keyer_WB2DFA.gif01-Jun-2014 12:10 34K 
[IMG]FM_Channel_Scanner_WA2GCF.gif01-Jun-2014 12:10 23K 
[IMG]FM_Squelch_WB4WSU.gif01-Jun-2014 12:10 22K 
[IMG]Goral_X-tal_LO_W6TNS.gif01-Jun-2014 12:10 15K 
[IMG]High_Selectivity_Dual-FET_LNA.gif01-Jun-2014 12:10 9.3K 
[IMG]Ruthroff_DSB_Mod-Demod.gif01-Jun-2014 12:10 42K 
[IMG]Semi-Rigid_Coax_Baluns_WA6UAM.gif01-Jun-2014 12:10 9.4K 
[IMG]SSTV_TX_Video_Converter_WA9UHV.gif01-Jun-2014 12:10 67K 
[IMG]Very_High_Impedance _Meter.gif01-Jun-2014 12:10 35K 
[IMG]10.7MHz-to-455kHz_Coversion_WA2GCF.gif08-Jun-2014 16:59 17K 
[IMG]2304MHz_Mixer_WA2ZZF.gif08-Jun-2014 16:59 25K 
[IMG]28MHz_MOSFET_LNA_W1JAA.gif08-Jun-2014 16:59 19K 
[IMG]3.5MHz_Phasing_LO_K6ZX.gif08-Jun-2014 16:59 19K 
[IMG]432MHz_100W_Linear_PA_WA7CNP.gif08-Jun-2014 16:59 207K 
[IMG]432MHz_10W_Linear_PA_WB6QXF.gif08-Jun-2014 16:59 30K 
[IMG]432MHz_Cavity_Filter_W1JAA.gif08-Jun-2014 16:59 21K 
[IMG]5-Bands_Dual_Conv_RX_I5TDJ.gif08-Jun-2014 16:59 226K 
[IMG]70MHz_Overtone_FM_LO_DJ2LR.gif08-Jun-2014 16:59 8.8K 
[IMG]8.1MHz_FM_X-tal_LO_W0JVA.gif08-Jun-2014 16:59 13K 
[IMG]80m_JFET_QRP_TX_W3FQJ.gif08-Jun-2014 16:59 15K 
[IMG]9MHz_Sideband_MOSFET_LO_W3FQJ.gif08-Jun-2014 16:59 12K 
[IMG]Active_BPF_741_WA5SNZ.gif08-Jun-2014 16:59 22K 
[IMG]Binaural_Synthesizer_W6NRW.gif08-Jun-2014 16:59 28K 
[IMG]Crystal_FM_Discriminator_WA0JYK.gif08-Jun-2014 17:00 16K 
[IMG]Direct_Reading_Capacimeter_WA5SNZ.gif08-Jun-2014 17:00 19K 
[IMG]Dual_Gate_Product_Detector_W8YFB.gif08-Jun-2014 17:00 8.5K 
[IMG]HF_Selective_Regenerative_RX_W3FQJ.gif08-Jun-2014 17:00 13K 
[IMG]High_IP3_Push_Pull_LNA_DJ2LR.gif08-Jun-2014 17:00 21K 
[IMG]High_Linearity_HF_Front-End_DJ21LR.gif08-Jun-2014 17:00 20K 
[IMG]Keyer_Time_Base_Speed_Switch_W1PLJ.gif08-Jun-2014 17:00 48K 
[IMG]Low_Frequency_X-tal_LO_DJ2LR.gif08-Jun-2014 17:00 6.2K 
[IMG]Multiband_Rockmite_CW_TRX_W1REX.gif08-Jun-2014 17:00 138K 
[IMG]Phasing_Type_SSB_TX_WA0JYK.gif08-Jun-2014 17:00 82K 
[IMG]RC_Notch_Filters_WA5SNZ.gif08-Jun-2014 17:00 34K 
[IMG]SB-102_Speech_Processor_W6IVI.gif08-Jun-2014 17:00 41K 
[IMG]UHF_Converter_WA2GCF.gif08-Jun-2014 17:00 37K 
[IMG]UHF_LNA_FMT4575_W1JAA.gif08-Jun-2014 17:00 17K 
[IMG]UHF_Preamp_J308_WA2GCF.gif08-Jun-2014 17:00 15K 
[IMG]Unetuned_ALC_MOSFET_LO_W3FQJ.gif08-Jun-2014 17:00 8.3K 
[IMG]1296MHz_Circular_Horn_WA9HUV.gif11-Jun-2014 14:44 103K 
[IMG]144MHz_28MHz_TRV_WB6BPI.gif11-Jun-2014 14:44 318K 
[IMG]144MHz_5mW_Beacon_W1JAA.gif11-Jun-2014 14:44 25K 
[IMG]144MHz_FM_RX_W1CMR.gif11-Jun-2014 14:45 110K 
[IMG]14MHz_Stable_Doubler_VFO_W1CER.gif11-Jun-2014 14:45 31K 
[IMG]15MHz-60MHz_Pierce_MOSFET_LO_VK2ZTB.gif11-Jun-2014 14:45 6.7K 
[IMG]15MHz-65MHz_3rd_Overtone_LOs_VK2ZTB.gif11-Jun-2014 14:45 11K 
[IMG]15MHz-65MHz_Impedance-Inverting_LO_VK2ZTB.gif11-Jun-2014 14:45 13K 
[IMG]1MHz-18MHz_Parallel_Mode_X-tal_LO_VK2ZTB.gif11-Jun-2014 14:45 15K 
[IMG]1MHz-20MHz_Weggeman_TTL_X-tal_LO_VK2ZTB.gif11-Jun-2014 14:45 6.4K 
[IMG]1MHz_Very_Stable_X-tal_LO_VK2ZTB.gif11-Jun-2014 14:45 9.4K 
[IMG]20MHz-60MHz_3rd_Overtone_LO_VK2ZTB.gif11-Jun-2014 14:45 15K 
[IMG]3.2MHz-30MHz_Dual_Conversion_RX_PY2EIC.gif11-Jun-2014 14:45 94K 
[IMG]3.5MHz-3.8MHz_High-Stability_VFO_W1DTY.gif11-Jun-2014 14:45 16K 
[IMG]3MHz-15MHz_FET_VXO_VK2ZTB.gif11-Jun-2014 14:45 7.9K 
[IMG]3MHz-15MHz_Lane_VXO_VK2ZTB.gif11-Jun-2014 14:45 10K 
[IMG]40m_10W_CW_TX_WA4MTH.gif11-Jun-2014 14:45 86K 
[IMG]50kHz-500kHz_Parallel_Mode_X-tal_LO_VK2ZTB.gif11-Jun-2014 14:45 6.7K 
[IMG]60kHz_Loop_Ant_Preamp_W9BTI.gif11-Jun-2014 14:45 64K 
[IMG]65MHz-110MHz_Overtone_X-tal_LO_VK2ZTB.gif11-Jun-2014 14:45 16K 
[IMG]7MHz_Stable_VFO_W1CER.gif11-Jun-2014 14:45 29K 
[IMG]80m_10W_Linear_PA_VE3GSD.gif11-Jun-2014 14:45 15K 
[IMG]80m_Superhet_RX_YO3EM.gif11-Jun-2014 14:45 45K 
[IMG]90MHz-125MHz_Overtone_LO_W1JAA.gif11-Jun-2014 14:45 22K 
[IMG]AGC_for_MOSFETs_K6SDX.gif11-Jun-2014 14:45 47K 
[IMG]Discrete_Phase_Comparator_DJ2LR.gif11-Jun-2014 14:45 29K 
[IMG]Feedback_Amplifiers_and_Applications_W6HDM.gif11-Jun-2014 14:45 52K 
[IMG]Harmonic_Tuned_Miller_X-tal_LO_VK2ZTB.gif11-Jun-2014 14:45 7.2K 
[IMG]HF-to-UHF_SWR_Bridge_W1JAA.gif11-Jun-2014 14:45 14K 
[IMG]HF_Linear_LO_Buffer_VK2ZTB.gif11-Jun-2014 14:45 11K 
[IMG]Linear_AM_Detector_W6GXN.gif11-Jun-2014 14:45 21K 
[IMG]Low_Freq_Foster-Rankin_X-tal_LO_VK2ZTB.gif11-Jun-2014 14:45 16K 
[IMG]Low_Freq_Lane_X-tal_LO_VK2ZTB.gif11-Jun-2014 14:45 11K 
[IMG]Phasing_Type_SSB_Detector_WB9CYY.gif11-Jun-2014 14:45 55K 
[IMG]Pulse_Counting_FM_Detector_W6GXN.gif11-Jun-2014 14:45 16K 
[IMG]Pulse_Counting_TTL_FM_Detector_W6GXN.gif11-Jun-2014 14:45 15K 
[IMG]Using_PLL_as_AM_Detector.gif11-Jun-2014 14:45 7.0K 
[IMG]1MHz-5MHz_X-tal_LOs_Current_Sources.gif13-Jun-2014 08:56 4.8K 
[IMG]1MHz_Series-Tank_LC_LO.gif13-Jun-2014 08:56 8.2K 
[IMG]25kHz-370kHz_TTL_SN7400_VCO.gif13-Jun-2014 08:56 3.8K 
[IMG]28MHz_Cascode_LO.gif13-Jun-2014 08:56 4.3K 
[IMG]350kHz-850kHz_Vcc_Tuned_VCO.gif13-Jun-2014 08:56 3.6K 
[IMG]500kHz_LO_Based_on_X-tal_Difference.gif13-Jun-2014 08:56 7.4K 
[IMG]5MHz-15MHz_Barrier_Mode_Harmonic_LO.gif13-Jun-2014 08:56 3.6K 
[IMG]5MHz_JFET-PNP_LC_LO.gif13-Jun-2014 08:56 3.3K 
[IMG]8MHz_Wide_Tuning_Range_VXO.gif13-Jun-2014 08:56 7.2K 
[IMG]Amplitude_Stabilized_JFET_VFO.gif13-Jun-2014 08:56 3.6K 
[IMG]Low_Distortion_Modified_Clapp_X-tal_LO.gif13-Jun-2014 08:56 5.8K 
[IMG]Low_Frequency_X-tal_LOs_SN7400.gif13-Jun-2014 08:56 8.4K 
[IMG]Multivibrators.gif13-Jun-2014 08:56 8.5K 
[IMG]Precise_Movement_Meter_.gif13-Jun-2014 08:56 4.9K 
[IMG]Rectangle_Triangle_Sine_Wave_74C04.gif13-Jun-2014 08:56 5.9K 
[IMG]Relaxation_LC_LOs.gif13-Jun-2014 08:56 7.7K 
[IMG]Stable_Variable_Audio_LO.gif13-Jun-2014 08:56 4.1K 
[IMG]Tank-Free_Harmonic_X-tal_LO.gif13-Jun-2014 08:56 4.5K 
[IMG]27MHz_Harmonics_Butler_X-tal_LO.gif13-Jun-2014 09:05 5.3K 
[IMG]100MHz_SA_W6URH.gif17-Jun-2014 11:40 159K 
[IMG]144MHz-10.7MHz_RX_Converter_DJ2LR.gif17-Jun-2014 11:40 123K 
[IMG]144MHz_Feedback_JFET_LNA_DJ2LR.gif17-Jun-2014 11:40 41K 
[IMG]1MHz-500MHz_Low_RF_Power_Meter_WA4ZRP.gif17-Jun-2014 11:40 43K 
[IMG]20m_Dual_Conversion_RX_K6SDX.gif17-Jun-2014 11:40 137K 
[IMG]5MHz_Very_Low_Noise_VFO_DJ2LR.gif17-Jun-2014 11:40 10K 
[IMG]9MHz_IF_FM_Det_CA3089_DJ2LR.gif17-Jun-2014 11:40 16K 
[IMG]9MHz_IF_SSB-Det_AGC_DJ2LR.gif17-Jun-2014 11:40 41K 
[IMG]All_Mode_RX_Plessey_ICs_DJ2LR.gif17-Jun-2014 11:40 29K 
[IMG]Audible_S-Meter_ZL2AMJ.gif17-Jun-2014 11:40 27K 
[IMG]Audio_BPF_Noise_Limiter_DJ2LR.gif17-Jun-2014 11:40 8.9K 
[IMG]Carbon_Mike_Preamp_BPF_W6GXN.gif17-Jun-2014 11:40 35K 
[IMG]Computing_SWR_Meter_WB9CYY.gif17-Jun-2014 11:40 79K 
[IMG]Dual_Time_AGC_DJ2LR.gif17-Jun-2014 11:40 14K 
[IMG]High_Linearity_HF_RX_DJ2LR.gif17-Jun-2014 11:40 36K 
[IMG]High_Performance_X-tal_Discriminator_DJ2LR.gif17-Jun-2014 11:40 12K 
[IMG]Improved_Noise_Impedance_Bridge_W6BXI.gif17-Jun-2014 11:40 24K 
[IMG]Low_Dist_Audio_Noise_Limiter_DJ2LR.gif17-Jun-2014 11:41 5.7K 
[IMG]Low_Distortion_VFO_DJ2LR.gif17-Jun-2014 11:41 35K 
[IMG]Noise_Blanker_K7CVT.gif17-Jun-2014 11:41 94K 
[IMG]Noise_Blanking_RX_TCA440_DJ2LR.gif17-Jun-2014 11:41 30K 
[IMG]Noise_Gen_for_LC_Q_Measurement.gif17-Jun-2014 11:41 83K 
[IMG]One_PIN_Diode_40dB_Atten_VE3GFN.gif17-Jun-2014 11:41 25K 
[IMG]One_Pulse_for_a_Push.gif17-Jun-2014 11:41 65K 
[IMG]PLL_FM_Demodulator_K7RGE.gif17-Jun-2014 11:41 67K 
[IMG]PLL_FSK_Demodulator_K7RGE.gif17-Jun-2014 11:41 19K 
[IMG]RF_Noise_Limiter_DJ2LR.gif17-Jun-2014 11:41 7.3K 
[IMG]Speech_Processor_741_K3PDW.gif17-Jun-2014 11:41 55K 
[IMG]Very_Low_Distortion_AM_Det_DJ2LR.gif17-Jun-2014 11:41 9.9K 
[IMG]Very_Narrow_X-tal_Filter_DJ2LR.gif17-Jun-2014 11:41 45K 
[IMG]WWV_WWVH_CHU_RX.gif17-Jun-2014 11:41 132K 
[IMG]0-100MHz_SA_Tracking_Gen_W6URH.gif25-Jun-2014 04:13 71K 
[IMG]0-50MHz_High_Sensitivity_Preamp_W1CFI.gif25-Jun-2014 04:13 14K 
[IMG]10.5MHz_Phasing_SSB_Generator_W7CMJ.gif25-Jun-2014 04:13 14K 
[IMG]10.7MHz-455kHz_IF_MC1550_K1ZJH.gif25-Jun-2014 04:13 149K 
[IMG]1152MHz_Signal_Source_WA2ZZF.gif25-Jun-2014 04:13 159K 
[IMG]144MHz_70W_PA_RD70HVF1.gif25-Jun-2014 04:14 37K 
[IMG]18.556MHz_2-X-tal_Filter.gif25-Jun-2014 04:14 27K 
[IMG]20m_SSB_TRX_EMF500.gif25-Jun-2014 04:14 140K 
[IMG]28MHz_LNA_W1HR.gif25-Jun-2014 04:14 12K 
[IMG]30Hz-100kHz_Sine_Wave_Gen_WA5SNZ.gif25-Jun-2014 04:14 97K 
[IMG]30MHz_Wide_BW_IF_DJ7OO.gif25-Jun-2014 04:14 40K 
[IMG]3MHz-30MHz_25W_PA_BLY89_DJ2LR.gif25-Jun-2014 04:14 172K 
[IMG]3MHz-30MHz_90deg_Phase_Shift_Network_VK2ZTB.gif25-Jun-2014 04:14 32K 
[IMG]400kHz-30MHz_Low_Noise_X-tal_LO_DJ2LR.gif25-Jun-2014 04:14 15K 
[IMG]432MHz_GaAs_LNA_JH1BRY.gif25-Jun-2014 04:14 13K 
[IMG]432MHz_LNA_MA42141_K1RX.gif25-Jun-2014 04:14 8.0K 
[IMG]432MHz_LNA_NE64535_WB5LUA.gif25-Jun-2014 04:14 16K 
[IMG]9MHz_IF_Product_Det_W6HPH.gif25-Jun-2014 04:14 146K 
[IMG]9MHz_KVG_XF-9B_X-tal_Filter.gif25-Jun-2014 04:14 6.5K 
[IMG]9MHz_PLL_BFO_W7GHM.gif25-Jun-2014 04:14 42K 
[IMG]Active_Audio_90deg_Phase_Shift_Network_VK2ZTB.gif25-Jun-2014 04:14 23K 
[IMG]Active_Audio_Filters_K6JM.gif25-Jun-2014 04:14 73K 
[IMG]Active_Selective_RX_Antenna_System_W5TRS.gif25-Jun-2014 04:14 35K 
[IMG]ALC_for_TX_DJ2LR.gif25-Jun-2014 04:14 78K 
[IMG]Audio_Passive_90deg_Phase_Shift_Network.gif25-Jun-2014 04:14 17K 
[IMG]Bilateral_Phasing_SSB_Generator-Detector_VK2ZTB.gif25-Jun-2014 04:14 36K 
[IMG]Capacimeter_NE556_WA5SNZ.gif25-Jun-2014 04:14 21K 
[IMG]CW_PLL_Signal_Processor_W7KGZ.gif25-Jun-2014 04:14 31K 
[IMG]Digital_90deg_Phase_Shift_Networks.gif25-Jun-2014 04:14 9.9K 
[IMG]FM_PLL_Mod_NE560_WB6FOC.gif25-Jun-2014 04:14 12K 
[IMG]High_Performance_RF_AGC_Amp_WA1FRJ.gif25-Jun-2014 04:14 15K 
[IMG]LO_Sideband_Noise_Evaluator_DJ2LR.gif25-Jun-2014 04:14 80K 
[IMG]Matching_for_10.7MHz_X-tal_Filter.gif25-Jun-2014 04:14 18K 
[IMG]Mike_Preamp_90deg_Phase_Shift_Network_VK2ZTB.gif25-Jun-2014 04:15 37K 
[IMG]Parametric_Phase_Detector_BJT_WA9HUV.gif25-Jun-2014 04:15 24K 
[IMG]Ramp_Gen_DAC08_WA9HUV.gif25-Jun-2014 04:15 29K 
[IMG]Ultra_Low_Noise_Overtone_LO_DJ2LR.gif25-Jun-2014 04:15 62K 
[IMG]Widerange_3-Modes_Capacimeter.gif25-Jun-2014 04:15 55K 
[IMG]1.3GHz_144MHz_RX_Converter_DL4NA.gif08-Jul-2014 06:09 37K 
[IMG]1.3GHz_GaAs_LNA_MGF1400_DJ9HO.gif08-Jul-2014 06:09 7.9K 
[IMG]1.3GHz_Signal_Source_N6TX.gif08-Jul-2014 06:09 128K 
[IMG]10GHz_Divide_by_10_Prescaler_G8ATD.gif08-Jul-2014 06:09 48K 
[IMG]10kHz-150kHz_Low_Freq_LO_WB2EGZ.gif08-Jul-2014 06:09 16K 
[IMG]115MHz_Stable_Overtone_X-tal_LO_WB2EGZ.gif08-Jul-2014 06:09 9.6K 
[IMG]144MHz-220MHz-432MHz_LNA_NEC4535_WA2GFP.gif08-Jul-2014 06:09 14K 
[IMG]144MHz_432MHz_Freq_Triplers_DJ9HO.gif08-Jul-2014 06:09 38K 
[IMG]144MHz_GaAs_LNA_JH1BRY.gif08-Jul-2014 06:09 17K 
[IMG]18MHz_FM_X-tal_LO_WB2EGZ.gif08-Jul-2014 06:09 14K 
[IMG]1MHz_3-stages_LO_WA1SPI.gif08-Jul-2014 06:09 14K 
[IMG]20MHz-100MHz_Butler_BJT-FET_LO_WB2EGZ.gif08-Jul-2014 06:09 12K 
[IMG]20MHz-100MHz_Overtone_X-tal_LO_WB2EGZ.gif08-Jul-2014 06:09 7.1K 
[IMG]270MHz-500MHz_BFY90_VCO_DC9RK.gif08-Jul-2014 06:10 16K 
[IMG]28MHz_432MHz_Up-Converter_DJ9HO.gif08-Jul-2014 06:10 45K 
[IMG]2MHz-10MHz_Vackar_FET_VFO.gif08-Jul-2014 06:10 71K 
[IMG]2MHz-20MHz_X-tal_Loading_LO_WB2EGZ.gif08-Jul-2014 06:10 15K 
[IMG]30.2MHz-30.3MHz_Stable_MOSFET_VCO_WA9HUV.gif08-Jul-2014 06:10 35K 
[IMG]380MHz-540MHz_Low_Spur_VFO_N6TX.gif08-Jul-2014 06:10 72K 
[IMG]40m_Dual_Conversion_RX_K6SDX.gif08-Jul-2014 06:10 125K 
[IMG]40m_VFX_1MHz-Xtal_WA1SPI.gif08-Jul-2014 06:10 13K 
[IMG]432MHz-to-28MHz_RX_Converter_N9KD.gif08-Jul-2014 06:10 225K 
[IMG]432MHz_144MHz_Selective_Converter_DJ9HO.gif08-Jul-2014 06:10 30K 
[IMG]432MHz_FET_Mixers_DJ9HO.gif08-Jul-2014 06:10 26K 
[IMG]434MHz_ATV_RX_G3YQC.gif08-Jul-2014 06:10 162K 
[IMG]45MHz_X-tal_Switch_LO_WB2EGZ.gif08-Jul-2014 06:10 11K 
[IMG]5-Methods_Supplying_Bias_GaAsFETs_JH1BRY.gif08-Jul-2014 06:10 17K 
[IMG]50MHz-150MHz_Overtone_X-tal_LO_WB2EGZ.gif08-Jul-2014 06:10 12K 
[IMG]57MHz_Fifth_Overtone_X-tal_LO_WB2EGZ.gif08-Jul-2014 06:10 10K 
[IMG]5MHz-5.5MHz_VFO_G3SJX.gif08-Jul-2014 06:10 107K 
[IMG]8MHz_Series_Resonance_X-tal_LO_WB2EGZ.gif08-Jul-2014 06:10 7.7K 
[IMG]9MHz_Low_Distortion_X-tal_BFO_K1LOG.gif08-Jul-2014 06:10 13K 
[IMG]AFC_Circuit_for_VFO_K6EHV.gif08-Jul-2014 06:10 31K 
[IMG]AGC_Adj_Delay_AM_Detector.gif08-Jul-2014 06:10 13K 
[IMG]Bilateral_Mixer_Anti-Parallel_Diodes_LA8AK.gif08-Jul-2014 06:10 183K 
[IMG]Gunnplexer_TX_W1HR.gif08-Jul-2014 06:10 17K 
[IMG]HF_Differential_Active_Loop_Ant_G4UAZ.gif08-Jul-2014 06:10 95K 
[IMG]High_Directivity_SWR_Meter_DJ2LR.gif08-Jul-2014 06:10 71K 
[IMG]Low_Noise_Mike_Preamp_K1LOG.gif08-Jul-2014 06:10 11K 
[IMG]Microwave_Spiral_Antenna_Detector.gif08-Jul-2014 06:10 23K 
[IMG]Noise_Blanker_Freq_Shift_W5QJR.gif08-Jul-2014 06:10 61K 
[IMG]Parallel_Resonance_X-tal_LOs_WB2EGZ.gif08-Jul-2014 06:10 14K 
[IMG]Peak_RMS_SWR_Meter_K1ZDI.gif08-Jul-2014 06:11 107K 
[IMG]Simple_CMOS_Keyer_HB9ABO.gif08-Jul-2014 06:11 89K 
[IMG]Speech_Amplifiers_for_Gunnplexers_W1HR.gif08-Jul-2014 06:11 38K 
[IMG]Split-Band_Speech_Processor_N7WS.gif08-Jul-2014 06:11 174K 
[IMG]TTL_and_CMOS_X-tal_LOs_WB2EGZ.gif08-Jul-2014 06:11 16K 
[IMG]VLF_Protected_Preamp.gif08-Jul-2014 06:11 20K 
[IMG]Wideband_JFETs_LNAs_N6DC.gif08-Jul-2014 06:11 45K 
[IMG]Wireless_IR_Headphone_RX-TX_4046.gif08-Jul-2014 06:11 158K 
[IMG]100dB_Range_Variable_JFET_Attenuator.gif22-Jul-2014 10:41 25K 
[IMG]12MHz-23MHz_Couplet_L-Tuned_MOSFET_VFO_W0YBF.gif22-Jul-2014 10:41 21K 
[IMG]180deg_Coax_Cable_Phase_Shifter_W6TC.gif22-Jul-2014 10:41 93K 
[IMG]2MHz-7MHz_SW_AM_Superhet_RX_PY2PE1C.gif22-Jul-2014 10:41 74K 
[IMG]400Hz-1.8kHz_CW_Regenerator_W3BYM.gif22-Jul-2014 10:41 37K 
[IMG]40m_1W_CW_TRX_WB5DJE.gif22-Jul-2014 10:41 207K 
[IMG]40m_CRX-1_Superhet_SSB_RX.gif22-Jul-2014 10:41 68K 
[IMG]40m_Superhet_SSB_RX_W6XM.gif22-Jul-2014 10:41 54K 
[IMG]7MHz-10.5MHz_Iron_Vane_VFO_W0YBF.gif22-Jul-2014 10:41 12K 
[IMG]96MHz_VXO_Signal_Source_WA2GFP.gif22-Jul-2014 10:41 37K 
[IMG]Auto_Product_Det_for_DSB_K4UD.gif22-Jul-2014 10:41 133K 
[IMG]Automatic_VSWR_Power_Meter_W0INK.gif22-Jul-2014 10:41 56K 
[IMG]Broadband_1-4_Coax_Transformer_W6TC.gif22-Jul-2014 10:41 93K 
[IMG]Broadband_90deg_Schiffman_Phase_Shifter_K6ZV.gif22-Jul-2014 10:41 46K 
[IMG]Capacimeter_2x555_WA3CPH.gif22-Jul-2014 10:41 14K 
[IMG]Coax_Cable_Transformers_W6TC.gif22-Jul-2014 10:41 256K 
[IMG]Compensating_Winding_Balun_W6TC.gif22-Jul-2014 10:41 59K 
[IMG]Coreless_Balun_Transformers_W6TC.gif22-Jul-2014 10:41 388K 
[IMG]Digital_Capacitance_Meter_K4GOK.gif22-Jul-2014 10:41 90K 
[IMG]High_Level_Balanced_JFET_Mixer_DJ2LR.gif22-Jul-2014 10:41 13K 
[IMG]Low_Mid_High_Voice_Equalizer_WB2GCR.gif22-Jul-2014 10:41 24K 
[IMG]Low_NF_High-IP3_Mixer_DJ2LR.gif22-Jul-2014 10:41 15K 
[IMG]Low_Noise_Phase_Det_CD4044_DJ2LR.gif22-Jul-2014 10:41 9.3K 
[IMG]Magnetically_Coupled_Huff-Puff_Stabilized_VFO.gif22-Jul-2014 10:42 102K 
[IMG]Parametric_Phase_Detector_CD4060_WA9HUV.gif22-Jul-2014 10:42 23K 
[IMG]Rotary_Dial_Mechanism_K3CU.gif22-Jul-2014 10:42 170K 
[IMG]Woodpecker_Noise_Blanker_DJ2LR.gif22-Jul-2014 10:42 51K 
[IMG]1.1GHz-1.2GHz_VFO_Prescaler_Out_WA9HUV.gif03-Aug-2014 09:38 21K 
[IMG]10MHz-600MHz_Automatic_Noise_Figure_Meter_K9IMM.gif03-Aug-2014 09:38 120K 
[IMG]2m_PLL_Synthesizer_VE3FIT.gif03-Aug-2014 09:38 69K 
[IMG]45MHz-to-75MHz_VCO_W2VJN.gif03-Aug-2014 09:38 21K 
[IMG]75MHz_IF_Amp_DJ2LR.gif03-Aug-2014 09:38 17K 
[IMG]80m_Superhet_SSB_RX_W6XM.gif03-Aug-2014 09:38 66K 
[IMG]9MHz_IF_Amp_DJ2LR.gif03-Aug-2014 09:38 15K 
[IMG]Dual-Gate_MOSFET_Dip_Meter_W6GXN.gif03-Aug-2014 09:38 8.1K 
[IMG]FM_Modulator_for_PLL_K9LHA.gif03-Aug-2014 09:38 29K 
[IMG]HF_Sweep_Gen_Filter_Measurements_W7BAR.gif03-Aug-2014 09:38 66K 
[IMG]HM-10A_Tunnel_Dipper.gif03-Aug-2014 09:38 14K 
[IMG]JFET_Dip_Meter_W6GXN.gif03-Aug-2014 09:38 5.8K 
[IMG]MOSFET_Dip_Meter_W6GXN.gif03-Aug-2014 09:38 7.5K 
[IMG]Product_Detector_for_3.18MHz_IF_W2VJN.gif03-Aug-2014 09:38 16K 
[IMG]Re-Entrant_Cavities_Connected_in_Cascade.gif03-Aug-2014 09:38 28K 
[IMG]SW_to_MW_RX_Converter_PY2PE1C.gif03-Aug-2014 09:38 26K 
[IMG]Varicap_Tuned_Dip_Meter_W6GXN.gif03-Aug-2014 09:38 20K 
[IMG]Whip_Ant_Re-Entrant_Cavities.gif03-Aug-2014 09:39 51K 
[IMG]100kHz-10MHz_X-tal_LO.gif23-Aug-2014 14:56 50K 
[IMG]116MHz_Signal_Source_W6HPH.gif23-Aug-2014 14:56 107K 
[IMG]150MHz-250MHz_LNA_BFR96.gif23-Aug-2014 14:56 119K 
[IMG]200MHz-400MHz_Variable_Gain_LNA_W1OOP.gif23-Aug-2014 14:56 21K 
[IMG]40m_Hybrid_TRX_W6XM.gif23-Aug-2014 14:56 124K 
[IMG]420kHz-220MHz_Grid_Dip_Meter.gif23-Aug-2014 14:56 255K 
[IMG]432MHz_LNA_W1OOP.gif23-Aug-2014 14:57 91K 
[IMG]470kHz-144MHz_High_IP3_Norton_LNA_DK6ED.gif23-Aug-2014 14:57 182K 
[IMG]49MHz-55MHz_Superregen_RX.gif23-Aug-2014 14:57 151K 
[IMG]4MHz_Cohn_CW_X-tal_Filter.gif23-Aug-2014 14:57 13K 
[IMG]5.1MHz_Variable_BW_Ladder_X-tal_Filter.gif23-Aug-2014 14:57 51K 
[IMG]670MHz_MOSFET-Ge_LNA.gif23-Aug-2014 14:57 199K 
[IMG]7MHz_Phantom_Coil_VXO_W3MT.gif23-Aug-2014 14:57 19K 
[IMG]80m_CW_QRP_TRX_DG0SA.gif23-Aug-2014 14:57 260K 
[IMG]80m_Fox-Hunt_RX_HA7SG.gif23-Aug-2014 14:57 450K 
[IMG]85MHz-150MHz_Superregen_RX.gif23-Aug-2014 14:57 331K 
[IMG]Crystal_Tester_for_Filters.gif23-Aug-2014 14:57 15K 
[IMG]DBM_with_Noiseless_Feedback_Amp_DJ2LR.gif23-Aug-2014 14:57 20K 
[IMG]Delay_and_Pulse_Width_Circuit.gif23-Aug-2014 14:57 15K 
[IMG]HF_LNA_and_Mixer_Teltow.gif23-Aug-2014 14:57 204K 
[IMG]HF_Superhet_RX_PLL_K2BLA.gif23-Aug-2014 14:57 137K 
[IMG]Push-Pull_JFET_Gridip_Meter.gif23-Aug-2014 14:57 130K 
[IMG]Safe_Power_Supply_for_GaAs_FET_WA9HUV.gif23-Aug-2014 14:57 26K 
[IMG]Ultra_Low_Noise_Floor_LO_DJ2LR.gif23-Aug-2014 14:57 42K 
[IMG]Variable_Duty_Cycle_Pulse_Shaper_Circuits_N7ZVY.gif23-Aug-2014 14:58 23K 
[IMG]VHF_220MHz_LNA_BFG65.gif23-Aug-2014 14:58 183K 
[IMG]VHF_Cascode_LNA_BF255.gif23-Aug-2014 14:58 183K 
[IMG]VHF_MOSFET_BF981_LNA.gif23-Aug-2014 14:58 148K 
[IMG]Z-Match_for_QRP_DF7BL.gif23-Aug-2014 14:58 135K 
[IMG]12kHz-250kHz_to_3.5MHz_RX_Converter_K1RGO.gif06-Sep-2014 13:48 14K 
[IMG]160kHz_Low_Frequency_CW_TX_K1RGO.gif06-Sep-2014 13:48 20K 
[IMG]20m_Superhet_SSB_RX_K1BQT.gif06-Sep-2014 13:49 255K 
[IMG]2304MHz_LNA_MGF1402_WA2GFP.gif06-Sep-2014 13:49 22K 
[IMG]30MHz_Disk_Tuned_Hartley_Stable_VFO_W0YBF.gif06-Sep-2014 13:49 21K 
[IMG]6MHz-9MHz_Superhet_SW_RX_W6XM.gif06-Sep-2014 13:49 50K 
[IMG]80m-20m_Superhet_SSB_RX_WA3TFS.gif06-Sep-2014 13:49 125K 
[IMG]9MHz_Cylinder_Tuned_Stable_VFO_W0YBF.gif06-Sep-2014 13:49 18K 
[IMG]BPF_for_SSB_KB0CY.gif06-Sep-2014 13:49 9.1K 
[IMG]Capacitively_Coupled_Hybrids_WA2EWT.gif06-Sep-2014 13:49 68K 
[IMG]Digital_Notch_and_BPF_for_CW_W1EOR.gif06-Sep-2014 13:49 32K 
[IMG]Panoramic_SA_for_HF_RX_WA6NCX.gif06-Sep-2014 13:49 99K 
[IMG]Precision_Impedance_Noise_Bridge_K2BT.gif06-Sep-2014 13:49 21K 
[IMG]Variable_CW_Filter_LF356_KB0CY.gif06-Sep-2014 13:49 15K 
[IMG]Very_Low_Power_CMOS_Keyer_K1HOP.gif06-Sep-2014 13:49 16K 
[IMG]100MHz-400MHz_VCO_J310_WA4MGX.gif10-Sep-2014 15:28 16K 
[IMG]110MHz-220MHz_Freq_Doubler_W1JR.gif10-Sep-2014 15:28 10K 
[IMG]144MHz-432MHz_5W_PA_W1JR.gif10-Sep-2014 15:28 26K 
[IMG]144MHz-432MHz_Dual-FET_LNA_W1JR.gif10-Sep-2014 15:28 19K 
[IMG]144MHz_100W_MOSFET_Push-Pull_PA_DL4VJ.gif10-Sep-2014 15:28 30K 
[IMG]144MHz_60W_MOSFET_DV120T_PA_DL4VJ.gif10-Sep-2014 15:28 62K 
[IMG]144MHz_60W_MOSFET_PA_DL4VJ.gif10-Sep-2014 15:28 17K 
[IMG]220MHz-440MHz_Freq_Doubler_W1JR.gif10-Sep-2014 15:28 15K 
[IMG]220MHz_100W_MOSFET_Push-Pull_PA_DL4VJ.gif10-Sep-2014 15:28 31K 
[IMG]5MHz-6MHz_VXO_Harmonic_Synthesizer_W3MT.gif10-Sep-2014 15:28 75K 
[IMG]AGC_Audio_K7NM.gif10-Sep-2014 15:28 28K 
[IMG]Carrier_Position_for_SSB_Filters.gif10-Sep-2014 15:28 9.6K 
[IMG]Quasi_Bilateral_IF_for_TRX_K1ZJH.gif10-Sep-2014 15:28 56K 
[IMG]Reflected_Power_Limiter_K4KI.gif10-Sep-2014 15:28 24K 
[IMG]1.8GHz-2.8GHz_VCO_W0DTV.gif20-Sep-2014 03:37 9.4K 
[IMG]10.7MHz_Tuned_Ceramic_Resonator_VCO_K2BLA.gif20-Sep-2014 03:37 12K 
[IMG]10kHz_30MHz_High_IP3_LNA_VN2222L.gif20-Sep-2014 03:37 29K 
[IMG]110MHz-to-880MHz_Freq_Multiplier_W1JR.gif20-Sep-2014 03:37 21K 
[IMG]1152MHz_VCO_WA9HUV.gif20-Sep-2014 03:37 18K 
[IMG]116MHz_LO_W1JR.gif20-Sep-2014 03:37 14K 
[IMG]2-to-1_Tube_Transformer_K2LB.gif20-Sep-2014 03:37 20K 
[IMG]20m_Superhet_RX_N3ECZ.gif20-Sep-2014 03:37 36K 
[IMG]6dB_Lossless_Feedback_Amp_WA6CAY.gif20-Sep-2014 03:37 10K 
[IMG]80m_RX_CA3028_WB2EAV.gif20-Sep-2014 03:37 20K 
[IMG]80m_SSB_TRX_K1BQT.gif20-Sep-2014 03:37 228K 
[IMG]900MHz_Coax_Cable_Wilkinson_Splitter_W1JR.gif20-Sep-2014 03:37 6.5K 
[IMG]AM_Squelch_and_AGC.gif20-Sep-2014 03:37 11K 
[IMG]Calibrated_S-meter_W7SX.gif20-Sep-2014 03:37 24K 
[IMG]CW_Audio_Processor_W6NRW.gif20-Sep-2014 03:37 50K 
[IMG]DC-600MHz_MMIC_LNA_NE5205.gif20-Sep-2014 03:37 9.5K 
[IMG]High_Dynamic_Range_Noise_Blanker_Gate_DJ2LR.gif20-Sep-2014 03:37 12K 
[IMG]Impedance_Change_Tube_Transformers_K2LB.gif20-Sep-2014 03:37 15K 
[IMG]Low_Frequency_Mixing_BFO_K2BLA.gif20-Sep-2014 03:37 22K 
[IMG]MMICs_Placed_in_Parallel_W1JR.gif20-Sep-2014 03:38 12K 
[IMG]Noise_Blanker_DJ2LR.gif20-Sep-2014 03:38 32K 
[IMG]Phase_Changing_Two-Tone_Test_Generator_YB9ATA.gif20-Sep-2014 03:38 41K 
[IMG]TV_Tuner_Spectrum_Analyzer_WA2PZO.gif20-Sep-2014 03:38 109K 
[IMG]Two-Diodes_Balanced_Modulator_W6IOJ.gif20-Sep-2014 03:38 9.7K 
[IMG]VHF_Noise_Impedance_Bridge_OE2APM.gif20-Sep-2014 03:38 37K 
[IMG]VLF-LF_Noiseless_Feedback_LNA_J310.gif20-Sep-2014 03:38 24K 
[IMG]VLF_MOSFET_LNAs_Noiseless_Feedback_Notch.gif20-Sep-2014 03:38 24K 
[IMG]0-60MHz_SA_WB5IPM.gif27-Sep-2014 16:37 114K 
[IMG]1.5GHz-2GH_VCO_WA6DYW.gif27-Sep-2014 16:37 9.3K 
[IMG]10GHz_Harmonic_Downconverter_N6GN.gif27-Sep-2014 16:37 237K 
[IMG]10GHz_PCB_Flange_to_Coax_Adapter_N6GN.gif27-Sep-2014 16:37 126K 
[IMG]10GHz_Waveguide_Flange_to_Coax_Adapter_N6GN.gif27-Sep-2014 16:37 20K 
[IMG]10m_DCR_W6VEH.gif27-Sep-2014 16:37 19K 
[IMG]1296MHz_GaAs_LNA_WA9HUV.gif27-Sep-2014 16:37 137K 
[IMG]144MHz_FM_RX_MC3362_WA3ENK.gif27-Sep-2014 16:37 169K 
[IMG]1GHz_Harmonic_Downconverter_N6GN.gif27-Sep-2014 16:37 89K 
[IMG]1GHz_VCO_N6GN.gif27-Sep-2014 16:37 24K 
[IMG]20m_15W_CW_TRX_K1BQT.gif27-Sep-2014 16:37 119K 
[IMG]3-FET_Sweep-Sync_Gen_W6WTU.gif27-Sep-2014 16:37 8.7K 
[IMG]34MHz-40MHz_VCO_K4IPV.gif27-Sep-2014 16:37 11K 
[IMG]4-way_Power_Divider_W1JR.gif27-Sep-2014 16:37 16K 
[IMG]40m_Direct_Conversion_TRX_WA3ENK.gif27-Sep-2014 16:38 147K 
[IMG]5MHz-5.5MHz_Dual_MOSFET_VFO.gif27-Sep-2014 16:38 15K 
[IMG]60kHz_RX_W4ZPS.gif27-Sep-2014 16:38 33K 
[IMG]0.5MHz-110MHz_AM-FM_Signal_Generator.gif27-Sep-2014 16:38 65K 
[IMG]0.5MHz-30MHz_Active_Antenna_K1ZJH.gif27-Sep-2014 16:38 27K 
[IMG]0.5MHz-40MHz_Narrowband_Preselector_W5OZF.gif27-Sep-2014 16:38 18K 
[IMG]0.8GHz-1.3GHz_Dual-Band_uStrip_BPF.gif27-Sep-2014 16:38 75K 
[IMG]Coax_Cable_Impedance_Transformers.gif27-Sep-2014 16:38 15K 
[IMG]Digital-AFC_for_Drake-TR7_HB9ABO.gif27-Sep-2014 16:38 34K 
[IMG]Direction_Coupler_and_Applications_W1JR.gif27-Sep-2014 16:38 43K 
[IMG]Dual-FET_X-tal_LO.gif27-Sep-2014 16:38 12K 
[IMG]Dual_JFET_IF_Amp_K1ZJH.gif27-Sep-2014 16:38 8.9K 
[IMG]HF-VHF_AM-FM_RX_WA2NDM.gif27-Sep-2014 16:38 23K 
[IMG]IF_Amplifier_Collins.gif27-Sep-2014 16:38 17K 
[IMG]IF_Amplifier_EM_Filter_Collins.gif27-Sep-2014 16:38 22K 
[IMG]IF_Sweep_Generator_W2ZUC.gif27-Sep-2014 16:38 31K 
[IMG]Impedance_of_Air_Dielectric_Coax_W1JR.gif27-Sep-2014 16:38 15K 
[IMG]Microwave_Freq_Measurement_Schemes_W1JR.gif27-Sep-2014 16:38 14K 
[IMG]Power_Dividers_W1JR.gif27-Sep-2014 16:38 19K 
[IMG]Radial_Stubs_Freq_Doubler_N1BEP.gif27-Sep-2014 16:38 4.5K 
[IMG]Radial_Stubs_Mixer_N1BEP.gif27-Sep-2014 16:38 8.1K 
[IMG]RF_Voltmeter_G4COL.gif27-Sep-2014 16:38 36K 
[IMG]Shunt_Matching_Coax_Stub_K4IPV.gif27-Sep-2014 16:38 40K 
[IMG]Single_Schottky_Diode_Power_Detector_N6GN.gif27-Sep-2014 16:38 105K 
[IMG]Stub_Impedance_Matching_Networks.gif27-Sep-2014 16:38 11K 
[IMG]Three-Eights_Lambda_Adjustable_Transformer.gif27-Sep-2014 16:38 10K 
[IMG]Two-Biased_Diodes_RF_Detector_G4COL.gif27-Sep-2014 16:39 6.7K 
[IMG]Two-Way_Power_Divider_W1JR.gif27-Sep-2014 16:39 12K 
[IMG]94.7MHz-758MHz_MMIC_Multiplier_N6JH.gif28-Sep-2014 07:29 140K 
[IMG]Cascode_MOSFET_BJT_Mixer_KF7M.gif28-Sep-2014 07:32 12K 
[IMG]1.8MHz-3.8MHz_Antenna_Phasometer_K9MLD.gif12-Oct-2014 10:34 95K 
[IMG]100MHz_Marker_Gen_AA4FB.gif12-Oct-2014 10:34 77K 
[IMG]1080MHz-2160MHz_Freq_Doubler_WA9HUV.gif12-Oct-2014 10:34 51K 
[IMG]10kHz-550kHz_to_1.01MHz-1.55MHz_RX_Converter.gif12-Oct-2014 10:34 540K 
[IMG]144MHz-28MHz_TRV_WB4EHS.gif12-Oct-2014 10:34 204K 
[IMG]144MHz_28MHz_Q-multiplier_RX_Conv_WA9HUV.gif12-Oct-2014 10:35 95K 
[IMG]1kW_PEP_Power_Meter_WA1SPI.gif12-Oct-2014 10:35 35K 
[IMG]20m_CW_QRP_TRX_K1BQT.gif12-Oct-2014 10:35 143K 
[IMG]20MHz-600MHz_Spectrum_Monitor.gif12-Oct-2014 10:35 1.0M 
[IMG]3456MHz_0.5W_PA_WA3JUF.gif12-Oct-2014 10:35 130K 
[IMG]40m_1W_CW_TRX_W6XM.gif12-Oct-2014 10:35 63K 
[IMG]432MHz_GaAs_LNA_WA2FTK.gif12-Oct-2014 10:35 66K 
[IMG]Antenna_Noise_Bridge_K4IPV.gif12-Oct-2014 10:35 15K 
[IMG]Circulators_Applications_W1JR.gif12-Oct-2014 10:35 17K 
[IMG]Coaxial-Type_Antenna_Tuners_NH6N.gif12-Oct-2014 10:35 23K 
[IMG]Coupling_Dip_Meter_to_Antenna_K4IPV.gif12-Oct-2014 10:35 80K 
[IMG]Deep_Notch_Filter_Improvement_W0THM.gif12-Oct-2014 10:35 42K 
[IMG]Digi-Keyer_AB4DP.gif12-Oct-2014 10:35 153K 
[IMG]Flat-Top_Antenna_Tuning_System_2BML.gif12-Oct-2014 10:35 13K 
[IMG]Franklin_LO_Original_and_FET.gif12-Oct-2014 10:35 12K 
[IMG]FT-102_Franklin_VFO_VE3RF.gif12-Oct-2014 10:35 113K 
[IMG]IF_for_TV-Tuner_SA_AA4FB.gif12-Oct-2014 10:35 52K 
[IMG]Microfarad_Counter_PA0CX.gif12-Oct-2014 10:35 28K 
[IMG]Multiband_Speech_Processor_KL7ISA.gif12-Oct-2014 10:36 30K 
[IMG]QRP_TLC555_Keyer_K1BQT.gif12-Oct-2014 10:36 90K 
[IMG]Short-Wave_to_3.5MHz_RX_Converter_W5FG.gif12-Oct-2014 10:36 27K 
[IMG]Simple_RF_Power_Monitor_W1SL.gif12-Oct-2014 10:36 51K 
[IMG]Thruline_Coupler.gif12-Oct-2014 10:36 47K 
[IMG]Varactor_Diodes_from_Rectifiers_W6WTU.gif12-Oct-2014 10:36 25K 
[IMG]1.8MHz-10.1MHz_25W_MOSFET_PA_W1FB.gif15-Nov-2014 17:44 91K 
[IMG]1.8MHz_40dB_Loop_Ant_Preamp_W1FB.gif15-Nov-2014 17:44 103K 
[IMG]10.3GHz_PHEMT_LNA_WB5LUA.gif15-Nov-2014 17:44 35K 
[IMG]10.7MHz-455kHz_FM_IF_W4UCH.gif15-Nov-2014 17:44 46K 
[IMG]10MHz_IF_BPF_W1FB.gif15-Nov-2014 17:44 43K 
[IMG]12MHz_Ladder_X-tal_Filter_W1FB.gif15-Nov-2014 17:44 44K 
[IMG]136kHz_100W_TX_DJ1ZB.gif15-Nov-2014 17:44 132K 
[IMG]136kHz_120W_TX_PA0SE.gif15-Nov-2014 17:44 190K 
[IMG]136kHz_14.136MHz_RX_Converter_DJ1ZB.gif15-Nov-2014 17:44 134K 
[IMG]136kHz_50W_TX_DF3LP.gif15-Nov-2014 17:44 164K 
[IMG]15m-10m_1W_CW_TX_W1FB.gif15-Nov-2014 17:44 131K 
[IMG]2.3GHz_Cigar_Antenna_K4TJW.gif15-Nov-2014 17:44 27K 
[IMG]2.3GHz_Cofee-Can_Antenna_K4TJW.gif15-Nov-2014 17:44 39K 
[IMG]2.3GHz_Low_Power_Video_TX_W6ORG.gif15-Nov-2014 17:44 11K 
[IMG]2.4GHz_3.4GHz_PHEMT_LNA_WB5LUA.gif15-Nov-2014 17:44 41K 
[IMG]20m_DCR_W1FB.gif15-Nov-2014 17:44 56K 
[IMG]20m_ILER-20_SSB_TRX_EA3GCY.gif15-Nov-2014 17:44 147K 
[IMG]20MHz-190MHz_Cascode_FET_LNA.gif15-Nov-2014 17:44 12K 
[IMG]3.3GHz_Tin-Can_Polaplexer_WB6IGP.gif15-Nov-2014 17:44 12K 
[IMG]3.4MHz-8.5MHz_Regen_RX_W1FB.gif15-Nov-2014 17:44 82K 
[IMG]30m_1.5W_CW_TX_W1FB.gif15-Nov-2014 17:44 85K 
[IMG]30m_72-PartChallange_QRP_TRX_KD1JV.gif15-Nov-2014 17:45 124K 
[IMG]30MHz-to-10.7MHz_RX_Converter_W4UCH.gif15-Nov-2014 17:45 17K 
[IMG]40m_1.5W_CW_TRX_W1FB.gif15-Nov-2014 17:45 646K 
[IMG]40m_ILER-40_SSB_TRX_EA3GCY.gif15-Nov-2014 17:45 148K 
[IMG]40m_Simple_Superhet_RX_W1FB.gif15-Nov-2014 17:45 66K 
[IMG]432MHz-to-28MHz_TRV_KA9LNV.gif15-Nov-2014 17:45 63K 
[IMG]432MHz_ATV_TRX_K2MQJ.gif15-Nov-2014 17:45 117K 
[IMG]5.7GHz_PHEMT_LNA_WB5LUA.gif15-Nov-2014 17:45 27K 
[IMG]7MHz-7.3MHz_VFX_W1FB.gif15-Nov-2014 17:45 59K 
[IMG]7MHz_Direct_Conversion_RX_W1FB.gif15-Nov-2014 17:45 114K 
[IMG]7MHz_Improved_DCR_W1FB.gif15-Nov-2014 17:45 135K 
[IMG]80m-40m_Simple_Superhet_RX_W1FB.gif15-Nov-2014 17:45 159K 
[IMG]98MHz-to-29MHz_RX_Converter_W4UCH.gif15-Nov-2014 17:45 38K 
[IMG]Audio_AGC_NE575_W1FB.gif15-Nov-2014 17:45 78K 
[IMG]Audio_AGC_W1FB.gif15-Nov-2014 17:45 115K 
[IMG]Audio_Strength_Meter_W1FB.gif15-Nov-2014 17:45 20K 
[IMG]Current_and_Voltage_Balun_Transformers_SM7JKV.gif15-Nov-2014 17:45 86K 
[IMG]CW_Audio_Filter_TL081_W1FB.gif15-Nov-2014 17:45 14K 
[IMG]Doppler_Shift_vs_Object_Speed.gif15-Nov-2014 17:45 21K 
[IMG]Doubly_Balanced_JFET_Prod_Det_W1FB.gif15-Nov-2014 17:45 39K 
[IMG]GNAT-40_One-Transistor_CW_TRX_N7ZWY.gif15-Nov-2014 17:46 38K 
[IMG]HF_10W_Push-Pull_PA_W1FB.gif15-Nov-2014 17:46 203K 
[IMG]HF_DSB_TX_W1FB.gif15-Nov-2014 17:46 133K 
[IMG]HI-Z_to_LO-Z_Broadband_Transformer_W1FB.gif15-Nov-2014 17:46 110K 
[IMG]IF_AGC_W1FB.gif15-Nov-2014 17:46 113K 
[IMG]LO_Buffer_Amp_W1FB.gif15-Nov-2014 17:46 24K 
[IMG]Low_Frequency_Strength_Meter_PA0SE.gif15-Nov-2014 17:46 170K 
[IMG]Microphone_Preamp_MC-80.gif15-Nov-2014 17:46 62K 
[IMG]Microwave_Crystal_Detector_WA4WDL.gif15-Nov-2014 17:46 16K 
[IMG]No-Inductor_DB_Prod_Det_MC1496_W1FB.gif15-Nov-2014 17:46 18K 
[IMG]Push-Push_Freq_Doubler_W1FB.gif15-Nov-2014 17:46 39K 
[IMG]Transformer_Baluns_W1FB.gif15-Nov-2014 17:46 128K 
[IMG]VLF_14MHz_1496_RX_Converter_G4GVC.gif15-Nov-2014 17:46 70K 
[IMG]VLF_Loop_Ant_LNA_F6CNI.gif15-Nov-2014 17:46 71K 
[IMG]VLF_Loop_Ant_LNA_G3LNP.gif15-Nov-2014 17:46 66K 
[IMG]VLF_Noise_Canceller_GW4ALG.gif15-Nov-2014 17:46 85K 
[IMG]VXO_and_Inductor_Calculation_W1FB.gif15-Nov-2014 17:46 26K 
[IMG]Wheatstone_Video_Discriminator_and_Amp_W4UCH.gif15-Nov-2014 17:46 16K 
[IMG]1.3GHz_ATV_TX_I1KFH.gif26-Feb-2015 11:17 354K 
[IMG]1.8MHz-18MHz_5W_BD139_PA_W8DIZ.gif26-Feb-2015 11:17 52K 
[IMG]100MHz_Dual_Gate_BF998_LNA_VE7BPO.gif26-Feb-2015 11:17 49K 
[IMG]10GHz_1W_SSB_PA_IW9ARO.gif26-Feb-2015 11:17 30K 
[IMG]1240MHz_0.5W_Amp_I1KFH.gif26-Feb-2015 11:17 39K 
[IMG]12V-to-18V_No-Inductor_DC_Converter_I1KFH.gif26-Feb-2015 11:17 64K 
[IMG]30kHz_30MHz_High-Gain_Active_Antenna.gif26-Feb-2015 11:17 63K 
[IMG]40m_CW_TRX_2N2222_K8IQY.gif26-Feb-2015 11:17 65K 
[IMG]40m_SMK2_QRP_CW_TRX_AD6A.gif26-Feb-2015 11:17 42K 
[IMG]40m_TRX_KD1JV.gif26-Feb-2015 11:17 107K 
[IMG]Balanced_Antenna_Tuner_Types.gif26-Feb-2015 11:17 30K 
[IMG]Calibration_Generator_DL6GL.gif26-Feb-2015 11:17 80K 
[IMG]Laser_RX-TX_Audio.gif26-Feb-2015 11:17 229K 
[IMG]Low_Frequency_Signal_Squarer_VE7BPO.gif26-Feb-2015 11:17 15K 
[IMG]Two-Tone_Audio_Gen_for_SSB_tuning.gif26-Feb-2015 11:17 54K 
[IMG]0.5MHz-145MHZ_High_OIP3_LNA_DL2EWN.gif29-Mar-2015 14:17 110K 
[IMG]1.6MHz-30MHz_100W_PA_RD100HHF1.gif29-Mar-2015 14:17 91K 
[IMG]136kHZ-to-3.8MHz_Loop_Ant_and-LNA_DL2NI.gif29-Mar-2015 14:17 292K 
[IMG]31m_Regen_RX_AA7EE.gif29-Mar-2015 14:17 205K 
[IMG]7MHz_VCO_with_ALC.gif29-Mar-2015 14:17 31K 
[IMG]80m_MKARS80_TRX.gif29-Mar-2015 14:17 271K 
[IMG]CD40106_Schmitt_Trigger_Applications.gif29-Mar-2015 14:17 57K 
[IMG]HF_QRP_SSB_TRX_VK2DOB.gif29-Mar-2015 14:17 88K 
[IMG]High-Power_Differential_Schottcky_Detector.gif29-Mar-2015 14:17 7.9K 
[IMG]Smooth_Tone_Clickless_CW_Generator_WB0RIO.gif29-Mar-2015 14:18 104K 
[IMG]Suppressed_Harmonic_Schottky_Detector.gif29-Mar-2015 14:18 7.6K 
[IMG]Sweep_LO_for_Filter_Characterization.gif29-Mar-2015 14:18 74K 
[IMG]Temperature_Compensated_uWave_Detector.gif29-Mar-2015 14:18 10K 
[IMG]Z-Match_Tuner_for_QRP_K5TD.gif29-Mar-2015 14:18 41K 
[IMG]1.4GHz-to-121MHz_Dual_Converter_VK6ZT.gif28-Apr-2015 03:49 383K 
[IMG]12MHz_SSB_X-tal_Ladder_Filter.gif28-Apr-2015 03:49 196K 
[IMG]18.556MHz_NarrowBand_X-tal_Filter_LA7MI.gif28-Apr-2015 03:49 31K 
[IMG]1MHz-100MHz_35W_PA_UT2FW.gif28-Apr-2015 03:50 82K 
[IMG]20kHz_X-tal_LO_DK1AG.gif28-Apr-2015 03:50 10K 
[IMG]3MHz-30MHz_Fundamental_X-tal_LO_DK1AG.gif28-Apr-2015 03:50 38K 
[IMG]4.9152_X-tal_Ladder_Filter_G4GXO.gif28-Apr-2015 03:50 42K 
[IMG]455kHz_JFET_BFO_G8SEQ.gif28-Apr-2015 03:50 31K 
[IMG]50kHz_500kHz_LO_DK1AG.gif28-Apr-2015 03:50 16K 
[IMG]6kHz-500kHz_SAW_SQR_Gen.gif28-Apr-2015 03:50 38K 
[IMG]70MHz_50W_RD70HVF1_PA_SP2DMB.gif28-Apr-2015 03:50 90K 
[IMG]7MHz_Miss-Moskita_QRP_TRX_vMOS_DK1HE.gif28-Apr-2015 03:50 128K 
[IMG]7MHz_VFO_2N3904-as-Varicap_W1FB.gif28-Apr-2015 03:50 35K 
[IMG]8MHz_CW_X-tal_Ladder_Filter_F2DC.gif28-Apr-2015 03:50 7.9K 
[IMG]8MHz_SSB_X-tal_Ladder_Filter_F2DC.gif28-Apr-2015 03:50 66K 
[IMG]HF_20W_2SC1969_PA_M0DGQ.gif28-Apr-2015 03:50 34K 
[IMG]HF_20W_RD16HHF1_PA_G6LBQ.gif28-Apr-2015 03:50 47K 
[IMG]HF_20W_RD16HHF1_PA_K5BCQ.gif28-Apr-2015 03:50 36K 
[IMG]HF_25W_IRF510_PA_ON6MU.gif28-Apr-2015 03:50 48K 
[IMG]LNB_LX-LST40_Schematic.gif28-Apr-2015 03:50 57K 
[IMG]Overtone_AT-X-tals_LO_DK1AG.gif28-Apr-2015 03:50 29K 
[IMG]Various_Symmetrical_X-tal_Ladder_Filters.gif28-Apr-2015 03:50 102K 
[IMG]0-and-180-deg_Couplers.gif19-Jul-2015 11:55 8.7K 
[IMG]1.6MHz-54MHz_Linear_MOSFET_SD2933_PA.gif19-Jul-2015 11:55 127K 
[IMG]100kHz-30MHz_DDS_Amplifier_K8IQY.gif19-Jul-2015 11:55 22K 
[IMG]10GHz_Data_Link_N6GN.gif19-Jul-2015 11:55 204K 
[IMG]144MHz_LNA_BF981.gif19-Jul-2015 11:55 12K 
[IMG]1MHz-100MHz_Directional_Coupler.gif19-Jul-2015 11:55 106K 
[IMG]2304MHz_Interdigital_Filter_W0PW.gif19-Jul-2015 11:55 12K 
[IMG]2GHz-to-2.6GHz_Band-Pass_Cavity_Filter_KA1GT.gif19-Jul-2015 11:55 18K 
[IMG]2xBJT_Headphone_Amp.gif19-Jul-2015 11:55 3.7K 
[IMG]3.1MHz-3.2MHz_Jupiter_VFO_VE7BPO.gif19-Jul-2015 11:55 35K 
[IMG]30W_Low_Distortion_TIP_Audio_PA.gif19-Jul-2015 11:55 5.8K 
[IMG]5MHz-6MHz_Synthetic-Rock-Stable_VFO_W3JHR.gif19-Jul-2015 11:55 62K 
[IMG]Fast_Widerange_Discrete_Function_Gen.gif19-Jul-2015 11:55 7.4K 
[IMG]FM_TX_MAX2606.gif19-Jul-2015 11:55 67K 
[IMG]IQ_out_from_Sinewave_MAX4454.gif19-Jul-2015 11:55 15K 
[IMG]No-Inductors_Simplest_FM_TX.gif19-Jul-2015 11:55 17K 
[IMG]Squarewave_to_Pulse.gif19-Jul-2015 11:55 2.9K 
[IMG]Super_Buffer_VE7BPO.gif19-Jul-2015 11:55 18K 
[IMG]Twin-FET_DSB_Modulator.gif19-Jul-2015 11:55 46K 
[IMG]Ultrasonic_Radar_Alarm_Circuit.gif19-Jul-2015 11:55 36K 
[IMG]VHF_Video-Audio_TX_Modulator_NJM2519A.gif19-Jul-2015 11:55 17K 
[IMG]1296MHz_Pip-Squeaq_Signal_Source_ZF5JF.gif24-Oct-2015 16:03 46K 
[IMG]144MHz_Pip-Squeaq_Signal_Source_ZF5JF.gif24-Oct-2015 16:03 45K 
[IMG]2.5GHz-2.7GHz_MESFET_PA.gif24-Oct-2015 16:03 31K 
[IMG]20kHz-20MHz_Balanced_Active_RX_Antenna_PA0RDT.gif24-Oct-2015 16:03 52K 
[IMG]432MHz_GaAs_FET_LNA_ZF5JF.gif24-Oct-2015 16:03 56K 
[IMG]800Hz_40Hz-BW_Audio_Filter_ZS5JF.gif24-Oct-2015 16:03 48K 
[IMG]Amplitude_Equalizer.gif24-Oct-2015 16:03 15K 
[IMG]Branch-Line_Balanced_MESFET_Amplifier.gif24-Oct-2015 16:03 40K 
[IMG]Delay_and_Amplitude_Equalizer.gif24-Oct-2015 16:03 21K 
[IMG]HF_10W_RD06HVF1_PA.gif24-Oct-2015 16:03 25K 
[IMG]LF_Tunable_Active_Antenna.gif24-Oct-2015 16:03 89K 
[IMG]Low_Freq_Whip_Active_Antenna.gif24-Oct-2015 16:03 42K 
[IMG]Meteor_Ping_Detector_ZS5JF.gif24-Oct-2015 16:03 44K 
[IMG]PLL_FM_Demodulator_LM565.gif24-Oct-2015 16:03 101K 
[IMG]Pree_Emphasis_for_FM_Modulator.gif24-Oct-2015 16:03 20K 
[IMG]Quadrature_FM_XOR_Demodulator.gif24-Oct-2015 16:03 21K 
[IMG]USB_FM_TX.gif24-Oct-2015 16:03 42K 
[IMG]-5V_Source.gif11-Dec-2015 14:16 21K 
[IMG]1.2GHz_VCO_MMIC_MAR-3.gif11-Dec-2015 14:16 28K 
[IMG]1.8GHz_Class-F_Power_MESFET_LOs.gif11-Dec-2015 14:16 24K 
[IMG]100MHz_Pierce_Crystal_LO.gif11-Dec-2015 14:16 25K 
[IMG]12GHz_Series_Feedback_MESFET_LO.gif11-Dec-2015 14:16 24K 
[IMG]12Hz-to-70kHz_Simple_Function_Generator.gif11-Dec-2015 14:16 48K 
[IMG]16-pos_Up-Down_Switch.gif11-Dec-2015 14:16 37K 
[IMG]161kHz_Metal_Detector.gif11-Dec-2015 14:16 31K 
[IMG]170MHz-390MHz_MOSFET_VCO.gif11-Dec-2015 14:16 14K 
[IMG]1GHz_Test_LO_BFP450.gif11-Dec-2015 14:16 8.4K 
[IMG]1MHz-10MHz_TTL_X-tal_LO.gif11-Dec-2015 14:16 18K 
[IMG]2.25GHz-4GHz_Interdigital_BPF_VCO.gif11-Dec-2015 14:16 31K 
[IMG]2.3GHz_BJT_VCO.gif11-Dec-2015 14:16 16K 
[IMG]2.6GHz-5.6GHz_MESFET_VCO.gif11-Dec-2015 14:16 12K 
[IMG]230MHz_Low_Noise_LO.gif11-Dec-2015 14:17 20K 
[IMG]250MHz-450MHz_MOSFET_VCO.gif11-Dec-2015 14:17 25K 
[IMG]2GHz-4GHz_Dual-Mode_VCO.gif11-Dec-2015 14:17 19K 
[IMG]2GHz-6GHz_MESFET_LO.gif11-Dec-2015 14:17 23K 
[IMG]325MHz-600MHz_Balanced_MOSFET_VCO.gif11-Dec-2015 14:17 23K 
[IMG]36MHz_FM_Doubler.gif11-Dec-2015 14:17 20K 
[IMG]4.4GHz_Power_MESFET_VCO.gif11-Dec-2015 14:17 10K 
[IMG]400MHz_MOSFET_LO.gif11-Dec-2015 14:17 22K 
[IMG]420MHz-450MHz_100W_Push-Push_PA.gif11-Dec-2015 14:17 71K 
[IMG]5.5GHz_GaAs_MESFET_LO.gif11-Dec-2015 14:17 9.5K 
[IMG]5.6GHz_Parallel_Feedback_LOs.gif11-Dec-2015 14:17 19K 
[IMG]57.6MHz_Overtone_LO.gif11-Dec-2015 14:17 17K 
[IMG]580MHz-2.2GHz_Combline_Filter_VCO.gif11-Dec-2015 14:17 33K 
[IMG]5GHz_uStrip_MESFET_LO.gif11-Dec-2015 14:17 19K 
[IMG]650MHz-1.7GHz_BJT_VCO.gif11-Dec-2015 14:17 11K 
[IMG]6GHz-16GHz_MESFET_VCO.gif11-Dec-2015 14:17 23K 
[IMG]750MHz-1250MHz_T-type_VCO.gif11-Dec-2015 14:17 9.4K 
[IMG]7GHz-14GHz_MESFET_VCO.gif11-Dec-2015 14:17 19K 
[IMG]7th_Overtone_LO.gif11-Dec-2015 14:17 30K 
[IMG]800MHz_Noise_Compensation_LO.gif11-Dec-2015 14:17 27K 
[IMG]8GHz_Power_MESFET_LO.gif11-Dec-2015 14:17 14K 
[IMG]8MHz_VXO.gif11-Dec-2015 14:17 30K 
[IMG]9.5GHz_Power_MESFET_Series_Feedback_LO.gif11-Dec-2015 14:17 13K 
[IMG]9.5GHz_uStrip_MESFET_VCO.gif11-Dec-2015 14:17 10K 
[IMG]925MHz_Differential_VCO.gif11-Dec-2015 14:17 34K 
[IMG]96MHz_Crystal_LO.gif11-Dec-2015 14:17 33K 
[IMG]Audio_Frequency_Meter.gif11-Dec-2015 14:17 29K 
[IMG]Audio_Noise_Generator.gif11-Dec-2015 14:17 29K 
[IMG]BJT_Balanced_VCO.gif11-Dec-2015 14:17 12K 
[IMG]Class-E_Power_LO.gif11-Dec-2015 14:17 18K 
[IMG]Class-E_Power_LO_Impedance_Transformation.gif11-Dec-2015 14:17 20K 
[IMG]Common_Collector_VCOs.gif11-Dec-2015 14:17 15K 
[IMG]Coupled_TL_VCOs.gif11-Dec-2015 14:17 20K 
[IMG]Cross-Coupled_Push-Push_VCO.gif11-Dec-2015 14:17 9.9K 
[IMG]CW_Signal_Processor_567.gif11-Dec-2015 14:17 53K 
[IMG]DC-DC_Voltage_Doubler.gif11-Dec-2015 14:17 15K 
[IMG]Dual-BJT_VCO.gif11-Dec-2015 14:17 23K 
[IMG]Dyna_Audio_Compressor.gif11-Dec-2015 14:17 23K 
[IMG]Envelope_Sampler_AM_Demodulator.gif11-Dec-2015 14:17 37K 
[IMG]FM_Linear_Frequency_Tuning_VCO.gif11-Dec-2015 14:17 17K 
[IMG]High-Efficiency_Parallel_Feedback_LO.gif11-Dec-2015 14:17 15K 
[IMG]Ku-Band_MESFET_VCO.gif11-Dec-2015 14:17 13K 
[IMG]LF-to-100MHz_VFO_Stabilizer.gif11-Dec-2015 14:18 45K 
[IMG]Microphone_Processor_CA3130.gif11-Dec-2015 14:18 31K 
[IMG]Microstrip_Cascode_LO.gif11-Dec-2015 14:18 24K 
[IMG]Microwave_Differential_BJT_VCO.gif11-Dec-2015 14:18 20K 
[IMG]Microwave_Push-Push_LO_SiGe.gif11-Dec-2015 14:18 13K 
[IMG]Microwave_uStrip_MESFET_VCO.gif11-Dec-2015 14:18 12K 
[IMG]Microwave_VCO_BFP450.gif11-Dec-2015 14:18 14K 
[IMG]MOSFET_Different_GND_LO.gif11-Dec-2015 14:18 29K 
[IMG]Negative_Resistance_Cascode_VCO.gif11-Dec-2015 14:18 13K 
[IMG]No-inductors_Wideband_LNA.gif11-Dec-2015 14:18 28K 
[IMG]One-BJT_Butler_VCXO.gif11-Dec-2015 14:18 15K 
[IMG]One-BJT_Keyer.gif11-Dec-2015 14:18 18K 
[IMG]Parallel_Feedback_MOSFET_LO.gif11-Dec-2015 14:18 11K 
[IMG]Parallel_Mode_X-tal_LO.gif11-Dec-2015 14:18 24K 
[IMG]PSK31_Demodulator.gif11-Dec-2015 14:18 42K 
[IMG]Push-Push_BJT_VCO.gif11-Dec-2015 14:18 25K 
[IMG]Repeater_Beep.gif11-Dec-2015 14:18 41K 
[IMG]Series_Resonant_Linear_Tuning_VCO.gif11-Dec-2015 14:18 10K 
[IMG]Source_Coupled_JFET_LO.gif11-Dec-2015 14:18 15K 
[IMG]Source_Coupled_JFET_VCO.gif11-Dec-2015 14:18 11K 
[IMG]Symmetrical_Armstrong_VCO.gif11-Dec-2015 14:18 11K 
[IMG]Tunable_Audio_Filter.gif11-Dec-2015 14:18 52K 
[IMG]Variable_Gain_Amplifier_100dB_Range.gif11-Dec-2015 14:18 10K 
[IMG]Very_Wideband_Push-Push_VCO.gif11-Dec-2015 14:18 24K 
[IMG]Wideband_L-transformer_VCO.gif11-Dec-2015 14:18 18K 
[IMG]Wideband_Stable_Franklin_LO.gif11-Dec-2015 14:18 11K 
[IMG]X-Band_MESFET_VCO.gif11-Dec-2015 14:18 22K 
[IMG]10MHz-1GHz_PIN_Atten.gif20-Feb-2016 17:46 140K 
[IMG]1150MHz-2200MHz_VCO.gif20-Feb-2016 17:46 116K 
[IMG]144MHz_Signal_Source_KK7B.gif20-Feb-2016 17:46 23K 
[IMG]2.3GHz_TRV_GM8OTI.gif20-Feb-2016 17:46 163K 
[IMG]2.4GHz_26dBm_BFP490_PA.gif20-Feb-2016 17:46 64K 
[IMG]2.8GHz_divide_by_1000_prescaler.gif20-Feb-2016 17:46 31K 
[IMG]200kHz_Metal_Detector.gif20-Feb-2016 17:46 107K 
[IMG]220MHz_Signal_Source_KK7B.gif20-Feb-2016 17:46 33K 
[IMG]2m_Dual_Polarization_Satellite_Yagi_Ant.gif20-Feb-2016 17:46 216K 
[IMG]40m_5W_PA_BD139_VU2JMX.gif20-Feb-2016 17:47 6.0K 
[IMG]450kHz-to-55MHz_Flat_Gain_Amplifier.gif20-Feb-2016 17:47 270K 
[IMG]460MHz-600MHz_Switchable_LO.gif20-Feb-2016 17:47 11K 
[IMG]49m_AM_RX_TCA440.gif20-Feb-2016 17:47 149K 
[IMG]5.5MHz_VFO_Stabilizer_PA0KSB.gif20-Feb-2016 17:47 42K 
[IMG]50MHz-70MHz_LNA_DL4ZAO.gif20-Feb-2016 17:47 340K 
[IMG]50MHz_Exciter_KK7B.gif20-Feb-2016 17:47 20K 
[IMG]50MHz_Signal_Source_KK7B.gif20-Feb-2016 17:47 37K 
[IMG]900MHz-1800MHz_BFG540_VCO.gif20-Feb-2016 17:47 54K 
[IMG]900MHz-1800MHz_Dual-Band_VCO.gif20-Feb-2016 17:47 129K 
[IMG]912kHz-to-1824kHz_Diode_Frequency_Doubler.gif20-Feb-2016 17:47 13K 
[IMG]950MHz_VCO_Ceramic_Resonator.gif20-Feb-2016 17:47 11K 
[IMG]Air_Core_Inductor_Equation.gif20-Feb-2016 17:47 57K 
[IMG]AM_Modulator-Demodulator_with_PIN_Diodes.gif20-Feb-2016 17:47 23K 
[IMG]BPSK_Demod_with_Rat-Race_Hybrid_Ring.gif20-Feb-2016 17:47 18K 
[IMG]Broadband_BJT_Frequency_Doubler.gif20-Feb-2016 17:47 19K 
[IMG]Differential_Detector.gif20-Feb-2016 17:47 7.4K 
[IMG]DSB_Synchronous_Demodulator.gif20-Feb-2016 17:47 67K 
[IMG]Dual_Filtering_Voicing_Circuit.gif20-Feb-2016 17:47 150K 
[IMG]HF_300W_PA_BLX15_VU2JMX.gif20-Feb-2016 17:47 9.3K 
[IMG]Impulse_Generator_4047.gif20-Feb-2016 17:47 254K 
[IMG]Low_Distortion_Double_Balanced_Mixer.gif20-Feb-2016 17:47 6.8K 
[IMG]Measuring_Speed_of_Light.gif20-Feb-2016 17:47 201K 
[IMG]Microwave_Triple-Push_LO.gif20-Feb-2016 17:47 36K 
[IMG]Noise_Bridge_W2RU.gif20-Feb-2016 17:47 92K 
[IMG]Noise_Gate_Reduction.gif20-Feb-2016 17:47 53K 
[IMG]Push-Pull_Frequency_Doubler.gif20-Feb-2016 17:47 42K 
[IMG]Push-Push_Frequency_Tripler.gif20-Feb-2016 17:47 38K 
[IMG]Squaring_Loop_DSB_Demodulator.gif20-Feb-2016 17:47 53K 
[IMG]SSB_Demod_for_HF.gif20-Feb-2016 17:47 52K 
[IMG]Suppressed_Harmonic_Detector.gif20-Feb-2016 17:48 17K 
[IMG]Type-Slope_FM_Discriminator.gif20-Feb-2016 17:48 15K 
[IMG]13GHz_divide_by_1000_prescaler_N9ZIA.gif21-Feb-2016 12:24 88K 
[IMG]0.1Hz-20MHz_Function_Gen_MAX038.gif22-Apr-2016 15:38 100K 
[IMG]144MHz_Overtone_FM_Oscillator.gif22-Apr-2016 15:38 72K 
[IMG]164MHz_Push-Push_FET_Oscillator_Tripler.gif22-Apr-2016 15:38 15K 
[IMG]1Hz-20MHz_Function_Gen_MAX038.gif22-Apr-2016 15:38 86K 
[IMG]200MHz_Neutralized_LNA.gif22-Apr-2016 15:38 19K 
[IMG]23GHz_Subharmonic_Mixer_with_Coupler.gif22-Apr-2016 15:38 7.4K 
[IMG]24GHz_Rat-Race_Mixer.gif22-Apr-2016 15:38 30K 
[IMG]24GHz_Schottcky_Diode_Detector.gif22-Apr-2016 15:38 24K 
[IMG]2GHz-3.3GHz_Tunable_BPF_W6OYJ.gif22-Apr-2016 15:38 36K 
[IMG]500MHz_LO_MMBTH10.gif22-Apr-2016 15:38 15K 
[IMG]50MHz-70MHz-144MHz_TRV_DC8RI.gif22-Apr-2016 15:38 378K 
[IMG]5Hz-5MHz_Function_Gen_MAX038.gif22-Apr-2016 15:38 65K 
[IMG]80m-40m_DCR_DM2CQL.gif22-Apr-2016 15:38 238K 
[IMG]Acoustic_WLAN_Finder.gif22-Apr-2016 15:38 165K 
[IMG]Active_Loop_Filter_YO4HFU.gif22-Apr-2016 15:38 31K 
[IMG]AM_Four_Transitor_Superhet_Radio.gif22-Apr-2016 15:38 64K 
[IMG]AM_Inductorless_RX.gif22-Apr-2016 15:38 144K 
[IMG]AM_Two_Transistor_Superhet_RX.gif22-Apr-2016 15:38 51K 
[IMG]Balanced_Diode_Microwave_Converter.gif22-Apr-2016 15:39 50K 
[IMG]Broadband_Diode_Mixer_Marchand_Balun.gif22-Apr-2016 15:39 27K 
[IMG]Double_Sided_DB_ustrip_Mixer.gif22-Apr-2016 15:39 39K 
[IMG]Flexible_Digital_Mode_Interface_N9ART.gif22-Apr-2016 15:39 153K 
[IMG]LW_MW_SW_Direct_Tuning_Receiver_DG0KW.gif22-Apr-2016 15:39 118K 
[IMG]Microstrip_Diode_Mixer.gif22-Apr-2016 15:39 10K 
[IMG]One_BJT_Reflex_Radio.gif22-Apr-2016 15:39 37K 
[IMG]PA_ALC_Circuit_YO4HFU.gif22-Apr-2016 15:39 36K 
[IMG]Waveguide_Microwave_Mixer.gif22-Apr-2016 15:39 124K 
[IMG]WideBand_PLL_CD4046_YO4HFU.gif22-Apr-2016 15:39 73K 
[IMG]WideBandwidth_Cell_Phone_Jammer.gif22-Apr-2016 15:39 65K 
[IMG]1.5kHz-15kHz_Low_Dist_0.001percent_Osc.gif05-May-2016 04:09 56K 
[IMG]1296MHz_DB-Mixer_coaxial-balun_WA6UAM.gif08-May-2016 13:47 62K 
[IMG]Low_Cost_ustrip_Diode_Mixer.gif17-May-2016 13:24 58K 
[IMG]1.1GHz_Prescaler.gif17-May-2016 13:55 8.8K 
[IMG]1.3GHz_ATV_TX_FM_IZ3CTS.gif17-May-2016 13:55 162K 
[IMG]1.3GHz_divide_by_1000_Prescaler.gif17-May-2016 13:55 45K 
[IMG]1.3GHz_FMTV_RX_ZL1WTT.gif17-May-2016 13:55 31K 
[IMG]100MHz-2.5GHz_LED_RF_Signal_Meter_AD8313.gif17-May-2016 13:55 38K 
[IMG]10GHz_divide_by_100_Prescaler.gif17-May-2016 13:55 52K 
[IMG]10GHz_SWR-meter_AD8319.gif17-May-2016 13:55 86K 
[IMG]12GHz_divide_by_64_Prescaler.gif17-May-2016 13:55 13K 
[IMG]1900MHz_Phone_Jammer.gif17-May-2016 13:55 59K 
[IMG]1kHz_Quadrature_LO.gif17-May-2016 13:55 18K 
[IMG]2.4GHz_divide_by_1000_Prescaler_PA2RF.gif17-May-2016 13:55 86K 
[IMG]4.9GHz_Prescaler_S53MV.gif17-May-2016 13:55 50K 
[IMG]40m_Micro40-DSB_TRX_VK3YE.gif17-May-2016 13:55 328K 
[IMG]6GHz_High-Isolation_Single-Balanced_Diode_Mixer.gif17-May-2016 13:55 224K 
[IMG]800MHz_Base_Station_Chaos_Jammer.gif17-May-2016 13:55 52K 
[IMG]800MHz_Phone_Jammer.gif17-May-2016 13:55 91K 
[IMG]800MHz_Phone_Jammer_ver.A.gif17-May-2016 13:55 80K 
[IMG]BB_Amp_BW_5.8MHz_ZL1WTT.gif17-May-2016 13:55 42K 
[IMG]BJT_White_Noise_Generators.gif17-May-2016 13:55 14K 
[IMG]Digitally_Selectable_Precision_Attenuator.gif17-May-2016 13:55 32K 
[IMG]GSM_Phone_Jammer_P2JBZ.gif17-May-2016 13:55 16K 
[IMG]Half-Wave_Active_Detector.gif17-May-2016 13:55 17K 
[IMG]Low_Frequency_LC_Oscillators.gif17-May-2016 13:55 47K 
[IMG]Mic_Preamp_Var_Gain_LM358.gif17-May-2016 13:56 26K 
[IMG]Microstrip_DBM_Mixer.gif17-May-2016 13:56 26K 
[IMG]Microstrip_Single_Ended_Mixers.gif17-May-2016 13:56 22K 
[IMG]Microwave_10MHz_Marker_Generator_N6IZW.gif17-May-2016 13:56 106K 
[IMG]Microwave_Rat-Race_Mixer.gif17-May-2016 13:56 31K 
[IMG]MMIC_Active_Balanced_Mixer_N6TX.gif17-May-2016 13:56 108K 
[IMG]Near-Field_PCS_Phone_Jammer.gif17-May-2016 13:56 58K 
[IMG]PCS_Phone_Jammer.gif17-May-2016 13:56 65K 
[IMG]Phase_Frequency_Detector_VE7BPO.gif17-May-2016 13:56 33K 
[IMG]Phase_Meter_4030.gif17-May-2016 13:56 236K 
[IMG]Phase_Meter_CD7474.gif17-May-2016 13:56 119K 
[IMG]Phase_Meter_TL080.gif17-May-2016 13:56 28K 
[IMG]Printed_TEM_Horn_Antenna_with_uStrip_Balun.gif17-May-2016 13:56 27K 
[IMG]Single-Ended_Single-Diode_Mixer.gif17-May-2016 13:56 11K 
[IMG]1.1GHz_divide_by_10_prescaler_MC12080.gif31-Jul-2016 17:10 27K 
[IMG]1.8MHz-30MHz_QRP_SWR_Bridge_W8DIZ.gif31-Jul-2016 17:10 59K 
[IMG]200MHz_Spectrum_Analyzer.gif31-Jul-2016 17:10 313K 
[IMG]20m_tuned_IF_SSB_RX.gif31-Jul-2016 17:10 122K 
[IMG]23cm_FM_TRX_PA3FYM.gif31-Jul-2016 17:10 390K 
[IMG]37.5MHz_3rd_Overtone_Clock_LO.gif31-Jul-2016 17:10 29K 
[IMG]3MHz-30MHz_10W_2SC1971_PA.gif31-Jul-2016 17:10 62K 
[IMG]40m_20m_DCR.gif31-Jul-2016 17:10 53K 
[IMG]40m_ALBA-II_SSB_QRP_TRX.gif31-Jul-2016 17:10 360K 
[IMG]40m_DCR_AA1JJ.gif31-Jul-2016 17:10 61K 
[IMG]7MHz_2W_CW_PA_IRF510_PA3FYM.gif31-Jul-2016 17:10 87K 
[IMG]7MHz_QRP_TRX_NE612_BD4IGH.gif31-Jul-2016 17:10 280K 
[IMG]800MHz-2500MHz_Tunable_BPF_Amplifier.gif31-Jul-2016 17:10 45K 
[IMG]Capacitive_Three-Point_FM_TX-RX.gif31-Jul-2016 17:11 46K 
[IMG]Divider_by_100_1000.gif31-Jul-2016 17:11 6.8K 
[IMG]DRM_Converter_DW01.gif31-Jul-2016 17:11 13K 
[IMG]Echolink_PTT_Interface_M0PZT.gif31-Jul-2016 17:11 36K 
[IMG]Electret_Condenser_Mike_to_ICOM_TRX.gif31-Jul-2016 17:11 3.8K 
[IMG]Greinacher_Full-Wave_Rectifier.gif31-Jul-2016 17:11 60K 
[IMG]HF_RX_LZ3NF.gif31-Jul-2016 17:11 70K 
[IMG]HF_SSB_TRX_VFO.gif31-Jul-2016 17:11 286K 
[IMG]Isolated_Serial_Interface_G0HWC.gif31-Jul-2016 17:11 80K 
[IMG]Microstrip_Structures_Caracteristics_and_Equivalent_Lumped_Circuit.gif31-Jul-2016 17:11 61K 
[IMG]Polyakov_Mixer_RA3AAE.gif31-Jul-2016 17:11 11K 
[IMG]Proximity_Detector_NE567.gif31-Jul-2016 17:11 27K 
[IMG]RF_Power-SWR_Meter_OH2NLT.gif31-Jul-2016 17:11 13K 
[IMG]RF_Power_Meter_AD8313_SV1AFN.gif31-Jul-2016 17:11 66K 
[IMG]Simple_Interface_for_Base-Mobile_G0HWC.gif31-Jul-2016 17:11 57K 
[IMG]Simple_Serial_Interface_for_Handheld_Radios_G0HCW.gif31-Jul-2016 17:11 55K 
[IMG]Sub-Harmonic_Mixer_S53MV.gif31-Jul-2016 17:11 80K 
[IMG]Triangle_Square_Generator.gif31-Jul-2016 17:11 56K 
[IMG]Truly-Linear_RF_Power_Detector.gif31-Jul-2016 17:11 34K 
[IMG]VHF-UHF_Power-SWR_Meter_W1FB.gif31-Jul-2016 17:11 98K 
[IMG]VLF_SSB_RX_NE612.gif31-Jul-2016 17:11 62K 
[IMG]Wee_Willy_Receiver.gif31-Jul-2016 17:11 16K 
[IMG]1.1GHz_J-pole_Ant.gif27-Sep-2016 17:41 91K 
[IMG]1.1GHz_PLL.gif27-Sep-2016 17:41 24K 
[IMG]1.9MHz-30MHz_PA_FT-757.gif27-Sep-2016 17:41 28K 
[IMG]1.9MHz-30MHz_PA_IC-756.gif27-Sep-2016 17:41 26K 
[IMG]10GHz_LNA_K5TRA.gif27-Sep-2016 17:41 155K 
[IMG]116MHz_Signal_Source_R-5999.gif27-Sep-2016 17:41 16K 
[IMG]122GHz_SiGe_LNA.gif27-Sep-2016 17:41 35K 
[IMG]12V-to-110V.220V_DC-AC_300W_Inverter.gif27-Sep-2016 17:41 109K 
[IMG]133MHz-138MHz_VCO_IC-730.gif27-Sep-2016 17:41 16K 
[IMG]17V_DC-DC_Supply_Nakamichi.gif27-Sep-2016 17:41 17K 
[IMG]180MHz-360MHz_VCO.gif27-Sep-2016 17:41 13K 
[IMG]1kHz-500MHz_Log_Det_20mV-dB_AD8307.gif27-Sep-2016 17:41 53K 
[IMG]2.38GHz-2.49GHz_VCO.gif27-Sep-2016 17:41 13K 
[IMG]25MHz-520MHz_Tuned_LNA.gif27-Sep-2016 17:41 16K 
[IMG]398MHz-440MHz_PLL_FM-TRX.gif27-Sep-2016 17:42 26K 
[IMG]3MHz-30MHz_100W_PA_2SC2290.gif27-Sep-2016 17:42 107K 
[IMG]455kHz_AM_IF_Amp_Det_AGC.gif27-Sep-2016 17:42 19K 
[IMG]45MHz-to-2050MHz_SA.gif27-Sep-2016 17:42 308K 
[IMG]50MHz-50.240MHz_VCXO_S57NAN.gif27-Sep-2016 17:42 122K 
[IMG]62MHz-131MHz_VCO.gif27-Sep-2016 17:42 15K 
[IMG]69MHz-100MHz_VCO_IC-756.gif27-Sep-2016 17:42 38K 
[IMG]80m-40m_Kajman2_20W_TRX_SQ7JHM.gif27-Sep-2016 17:42 155K 
[IMG]80m_SSB_RX_NE612_SQ7JHM.gif27-Sep-2016 17:42 83K 
[IMG]AGC_Meter_Circuit_R-599.gif27-Sep-2016 17:42 22K 
[IMG]Audio_Tone_SWR_Meter_WA6NPC.gif27-Sep-2016 17:42 104K 
[IMG]Auto_Ant_Tuner_IC-780.gif27-Sep-2016 17:42 14K 
[IMG]Bias_Regulators_for_GaAs_PA.gif27-Sep-2016 17:42 110K 
[IMG]Divide_by_1.5_7474.gif27-Sep-2016 17:42 19K 
[IMG]FF_Handles_high_input_frequency_Wenzel.gif27-Sep-2016 17:42 8.1K 
[IMG]HF_JFET_Mixer_TS-430.gif27-Sep-2016 17:42 18K 
[IMG]HF_Tuned_Preselector_BF981.gif27-Sep-2016 17:42 63K 
[IMG]HF_VFO_Amp_with_AGC.gif27-Sep-2016 17:42 38K 
[IMG]High_IP3_LNA_FT-ONE.gif27-Sep-2016 17:42 20K 
[IMG]JFET_Aditive_Mixer_IC-700R.gif27-Sep-2016 17:42 17K 
[IMG]JFET_TX_Mixer_FT-101.gif27-Sep-2016 17:42 19K 
[IMG]LNA_RF_Mixer_IC-721.gif27-Sep-2016 17:42 19K 
[IMG]Low_Noise_Pos-Neg_Supply.gif27-Sep-2016 17:42 16K 
[IMG]Low_Noise_Ripple_Filters.gif27-Sep-2016 17:42 28K 
[IMG]Low_Noise_Supply_Source.gif27-Sep-2016 17:42 12K 
[IMG]Mic_Amp_SSB_Mod_IC-750.gif27-Sep-2016 17:42 19K 
[IMG]Mic_Amp_SSB_Mod_T-599.gif27-Sep-2016 17:42 43K 
[IMG]mmWave_Single_Balanced_Diode_Mixer_Radial_Stub.gif27-Sep-2016 17:42 85K 
[IMG]Monolithic_Double-Ring_Diode_Mixer.gif27-Sep-2016 17:42 69K 
[IMG]Moonnoise_Detector_PA0PLY.gif27-Sep-2016 17:42 57K 
[IMG]PLL_Filter_Types.gif27-Sep-2016 17:42 20K 
[IMG]S-meter_Amp.gif27-Sep-2016 17:42 11K 
[IMG]SSB_AM_FM_Det_R-599.gif27-Sep-2016 17:42 24K 
[IMG]SSB_Modulator_12.3MHz_Ladder_Filter.gif27-Sep-2016 17:43 13K 
[IMG]Temp_Sens_Fan_Drive_IC-756.gif27-Sep-2016 17:43 17K 
[IMG]UHF_VCO_2x2SC4226.gif27-Sep-2016 17:43 16K 
[IMG]0-70MHz_Spectrum_Analyzer_VU2ESE.gif17-Nov-2016 11:58 148K 
[IMG]1.68GHz_LO.gif17-Nov-2016 11:58 16K 
[IMG]1.8MHz-2MHz_SSB_Superhet_RX.gif17-Nov-2016 11:58 257K 
[IMG]100MHz_Overtone_LO_from_20MHz_X-tal_VU2ESE.gif17-Nov-2016 11:58 7.9K 
[IMG]10MHz_GPS_Disciplined_LO_JA3GSE.gif17-Nov-2016 11:58 116K 
[IMG]10MHz_TCXO-225.gif17-Nov-2016 11:58 59K 
[IMG]160m-80m-40m_300W_IRF150_PA_YB0BAJ.gif17-Nov-2016 11:58 235K 
[IMG]1MHz-30MHz_15W_BJTs_PA.gif17-Nov-2016 11:58 14K 
[IMG]2.4GHz-433MHz_Drone_Jammer.gif17-Nov-2016 11:58 93K 
[IMG]2.9GHz_Canonical_Dual-Mode_Waveguide_Cavity_Filter.gif17-Nov-2016 11:58 239K 
[IMG]27MHz_Push-Push_X-tal_LO.gif17-Nov-2016 11:59 7.3K 
[IMG]2GHz_Microstrip_LO.gif17-Nov-2016 11:59 44K 
[IMG]3.5MHz_8W_PA_2xIRF510_F6BQU.gif17-Nov-2016 11:59 57K 
[IMG]3.5MHz_QRP_CW_TX.gif17-Nov-2016 11:59 14K 
[IMG]3.5MHz_SSB_RX_TDA1083_US5QBR.gif17-Nov-2016 11:59 83K 
[IMG]3.75MHz-4MHz_SSB_Superhet_RX.gif17-Nov-2016 11:59 125K 
[IMG]30MHz_GPS_Disciplined_LO_JA3GSE.gif17-Nov-2016 11:59 167K 
[IMG]3MHz-100MHz_Norton_LNA.gif17-Nov-2016 11:59 70K 
[IMG]40m_5W_TRX_JABURU.gif17-Nov-2016 11:59 111K 
[IMG]40m_ZetaSDR_LY1GP.gif17-Nov-2016 11:59 86K 
[IMG]50MHz-8GHz_Log-Det_HMC713_F1OPA.gif17-Nov-2016 11:59 42K 
[IMG]7MHz-11MHz_High_Performance_Regen_RX.gif17-Nov-2016 11:59 60K 
[IMG]80m_Mohair-One_CW_QRP_TRX_OH7SV.gif17-Nov-2016 11:59 42K 
[IMG]80m_SSB-CW_QRP_TRX_YU1FI.gif17-Nov-2016 11:59 693K 
[IMG]80m_TinySDR_LY1GP.gif17-Nov-2016 11:59 52K 
[IMG]9MHz_SSB_Gen_2xMOSFET.gif17-Nov-2016 11:59 104K 
[IMG]Active_Freq_Multipliers.gif17-Nov-2016 11:59 37K 
[IMG]Coax_Cable_Equations.gif17-Nov-2016 11:59 48K 
[IMG]Double_Balanced_JFET_Mixer.gif17-Nov-2016 11:59 21K 
[IMG]Harmonic_Frequency_Oscillator_with_PLL.gif17-Nov-2016 11:59 56K 
[IMG]HF_Broadband_7W_PA.gif17-Nov-2016 11:59 22K 
[IMG]HF_MOSFET_VFO_with_Buffer.gif17-Nov-2016 12:00 24K 
[IMG]HF_Phasing_SDR.gif17-Nov-2016 12:00 35K 
[IMG]HF_Regen_RX_BH1RBG.gif17-Nov-2016 12:00 54K 
[IMG]HF_Simple_SDR_IQ-output.gif17-Nov-2016 12:00 10K 
[IMG]High_Power_Splitter_Coax_Cable.gif17-Nov-2016 12:00 15K 
[IMG]Phase_Modulator_JFET.gif17-Nov-2016 12:00 7.6K 
[IMG]Series_X-tal_VCXO_G4COL.gif17-Nov-2016 12:00 19K 
[IMG]Single_Balanced_JFET_Mixer.gif17-Nov-2016 12:00 12K 
[IMG]10.106MHz_10kHz-range_VCXO_G4COL.gif17-Nov-2016 12:00 32K 
[IMG]80m-40m_Direct_Conversion_Receiver.gif17-Nov-2016 12:01 76K 
[IMG]3.5MHz_7MHz_Direct_Conversion_Receiver.gif17-Nov-2016 12:13 76K 
[IMG]Phase_Modulator_JFET-MPF102.gif17-Nov-2016 12:13 7.6K 
[IMG]100Hz-3MHz_30dB_Amplifier.gif19-Oct-2017 12:09 44K 
[IMG]10m_1Watter_TRX_W8DIZ.gif19-Oct-2017 12:09 203K 
[IMG]12kHz_1W_2percent-dist_LO.gif19-Oct-2017 12:09 23K 
[IMG]136kHz_DC_RX_IK2PII.gif19-Oct-2017 12:09 64K 
[IMG]14MHz_10W_PA_LZ1DPN.gif19-Oct-2017 12:09 42K 
[IMG]15m_1Watter_TRX_W8DIZ.gif19-Oct-2017 12:09 135K 
[IMG]1MHz-100MHz_10W_PA.gif19-Oct-2017 12:09 58K 
[IMG]1MHz-to-120MHz_Wideband_VFO.gif19-Oct-2017 12:09 16K 
[IMG]1MHz_30MHz_Resistive_Amplifier.gif19-Oct-2017 12:09 26K 
[IMG]1MHz_to_200MHz_Wideband_Vackar_VFO.gif19-Oct-2017 12:09 26K 
[IMG]2.4GHz_LNA_Active_Bias_BFP420.gif19-Oct-2017 12:09 38K 
[IMG]200MHz-400MHz_VCO.gif19-Oct-2017 12:09 20K 
[IMG]20m_1Watter_TRX_W8DIZ.gif19-Oct-2017 12:10 198K 
[IMG]20m_Handheld_QRP_TRX_DK7IH.gif19-Oct-2017 12:10 84K 
[IMG]23cm_Active_Yagi_Antenna.gif19-Oct-2017 12:10 7.2K 
[IMG]23cm_Band_Tunable_GaAs_LNA_PA4DAN.gif19-Oct-2017 12:10 18K 
[IMG]2GHz-2.6GHz_PHEMT_LNA.gif19-Oct-2017 12:10 42K 
[IMG]2MHz-50MHz_10dB_Dual-Gate_MOSFET_Amplifier.gif19-Oct-2017 12:10 40K 
[IMG]3.55MHz_X-tal_Beacon.gif19-Oct-2017 12:10 4.7K 
[IMG]3.587MHz_AM_TX.gif19-Oct-2017 12:10 63K 
[IMG]3.5MHz-to-14MHz_8W_IRF511_PA.gif19-Oct-2017 12:10 42K 
[IMG]30m_1Watter_TRX_W8DIZ.gif19-Oct-2017 12:10 183K 
[IMG]30MHz-to-250MHz_JFET_Vackar_VFO.gif19-Oct-2017 12:10 27K 
[IMG]30MHz_to_120MHz_VFO.gif19-Oct-2017 12:10 13K 
[IMG]3496Hz_Beacon.gif19-Oct-2017 12:10 90K 
[IMG]400MHz_JFET_VCO_J310.gif19-Oct-2017 12:10 30K 
[IMG]40m_1Watter_TRX_W8DIZ.gif19-Oct-2017 12:10 201K 
[IMG]40m_20m_CW_TX.gif19-Oct-2017 12:10 400K 
[IMG]40m_20m_DCR_Subharmonic_Mixer.gif19-Oct-2017 12:10 64K 
[IMG]40m_30m_20m_RX_KD1JV.gif19-Oct-2017 12:10 87K 
[IMG]40m_50W_2xIRF510_PA_AC2CZ.gif19-Oct-2017 12:10 13K 
[IMG]40m_Open-QRP_TRX_K1EL.gif19-Oct-2017 12:10 61K 
[IMG]500W_Toroidal_Antenna_Tuner_WB2ZSH.gif19-Oct-2017 12:10 151K 
[IMG]53MHz-553MHz_Spectrum_Monitor.gif19-Oct-2017 12:11 1.4M 
[IMG]70MHz_10W_SSB_PA_SD1143.gif19-Oct-2017 12:11 74K 
[IMG]80m_1Watter_TRX_W8DIZ.gif19-Oct-2017 12:11 197K 
[IMG]88MHz-108MHz_Antenna_Booster.gif19-Oct-2017 12:11 103K 
[IMG]88MHz-108MHz_TX_BF240.gif19-Oct-2017 12:11 7.7K 
[IMG]88MHz-108MHz_TX_BFR90.gif19-Oct-2017 12:11 48K 
[IMG]88MHz-108MHz_TX_BFR96S.gif19-Oct-2017 12:11 79K 
[IMG]88MHz-108MHz_X-tal_Harmonic_TX_ICS501.gif19-Oct-2017 12:11 19K 
[IMG]97.71MHz_X-tal_Beacon.gif19-Oct-2017 12:11 24K 
[IMG]Auto_Antenna_Tuner_Detector.gif19-Oct-2017 12:11 34K 
[IMG]Dual-Band_Harmonic_Mixer_DK2RS.gif19-Oct-2017 12:11 94K 
[IMG]FM_Band_1.5V_Tracking_TX.gif19-Oct-2017 12:11 7.7K 
[IMG]Hayward_Keyer.gif19-Oct-2017 12:11 95K 
[IMG]HF_12W_PA_X108G.gif19-Oct-2017 12:11 17K 
[IMG]HF_30W_MOSFET_PA_OH7SV.gif19-Oct-2017 12:11 14K 
[IMG]HF_50W_MOSFET_PA_OH7SV.gif19-Oct-2017 12:11 44K 
[IMG]HF_LO_Buffer_Amplifier.gif19-Oct-2017 12:11 16K 
[IMG]HF_Loop_Ant_Preamp_PA1M.gif19-Oct-2017 12:11 9.3K 
[IMG]HF_SSB_RX_Variable_IF_BW.gif19-Oct-2017 12:11 56K 
[IMG]L-Band_GaAs_LNA_2xMGF1302.gif19-Oct-2017 12:11 15K 
[IMG]MultiBand_HF_TRX_HMY2K8_VU2HMY.gif19-Oct-2017 12:11 188K 
[IMG]MW_Regen_RX_VK2ZAY.gif19-Oct-2017 12:11 53K 
[IMG]QRP_Transmatch_WB0RIO.gif19-Oct-2017 12:11 17K 
[IMG]QRP_Wattmeter_SP5DDJ.gif19-Oct-2017 12:11 27K 
[IMG]Simplest_Superhet_RX.gif19-Oct-2017 12:12 32K 
[IMG]Single_Coil_Z-Match_VK5BR.gif19-Oct-2017 12:12 46K 
[IMG]Spark_TX-RX.gif19-Oct-2017 12:12 71K 
[IMG]SW_to_MW_RX_Converter.gif19-Oct-2017 12:12 29K 
[IMG]Very_Low_Dist_50W_MOSFET_Audio_PA.gif19-Oct-2017 12:12 25K 
[IMG]80m_All_BC547_TRX_G4USP.gif19-Oct-2017 12:18 145K 
[IMG]Wide-Band_VCO_Saturated_Core_Reactor.gif19-Oct-2017 16:03 70K 
[IMG]10MHz-500MHz_Wideband_LNA.gif04-Nov-2017 03:54 16K 
[IMG]12GHz_Dynamic_Phase_Injection_VCO.gif04-Nov-2017 03:54 14K 
[IMG]136kHz_400W_PA_HUF75345G3_G3YXM.gif04-Nov-2017 03:54 36K 
[IMG]262MHz_Low_Noise_SAW_LO.gif04-Nov-2017 03:54 10K 
[IMG]27MHz_1kW_PA_ARF446_ARF447.gif04-Nov-2017 03:54 103K 
[IMG]3.5GHz_Divide-by-1000_Prescaler.gif04-Nov-2017 03:54 62K 
[IMG]30m_200W_PA_IRFP440_KF6NNZ.gif04-Nov-2017 03:54 9.5K 
[IMG]40m_SSB-CW_QRP_TRX_KD1JV.gif04-Nov-2017 03:54 116K 
[IMG]50MHz-4GHz_Wideband_pHEMT_LNA_PSA4-5043.gif04-Nov-2017 03:54 146K 
[IMG]80m-10m_Noise_Phaser_PA0SIM.gif04-Nov-2017 03:54 51K 
[IMG]80m_SSB_QRP_TRX_KD1JV.gif04-Nov-2017 03:55 315K 
[IMG]Antenna_Interference_Canceller.gif04-Nov-2017 03:55 88K 
[IMG]Current-compensated_Ring_Core_Double-choke.gif04-Nov-2017 03:55 24K 
[IMG]LF-to-100MHz_Field_Strength_Meter.gif04-Nov-2017 03:55 38K 
[IMG]MW-SW_Antenna_Preamplifier.gif04-Nov-2017 03:55 7.6K 
[IMG]Noise_Canceller_7L4IOU.gif04-Nov-2017 03:55 24K 
[IMG]Noise_Canceller_G8JNJ.gif04-Nov-2017 03:55 46K 
[IMG]Noise_Canceller_MFJ1026.gif04-Nov-2017 03:55 18K 
[IMG]Noise_Canceller_VK5BR.gif04-Nov-2017 03:55 131K 
[IMG]Preselector_Filter_IC-7300.gif04-Nov-2017 03:55 35K 
[IMG]QRM_Eliminator_DK9NL.gif04-Nov-2017 03:55 49K 
[IMG]QRM_Eliminator_S.E.M.gif04-Nov-2017 03:55 44K 
[IMG]Tunable_Active_Inductor_VCO.gif04-Nov-2017 03:55 12K 
[IMG]Z-Match_Antenna_Tuner_PD7MAA.gif04-Nov-2017 03:55 197K 
[IMG]10Hz-100kHz_RC_Signal_Gen.gif07-Nov-2017 16:09 34K 
[IMG]10Hz-1MHz_RC_Signal_Gen.gif07-Nov-2017 16:09 63K 
[IMG]133.3MHz-135.3MHz_VFX_YO3BAL.gif07-Nov-2017 16:09 65K 
[IMG]144MHz_28MHz_TRV_Compact.gif07-Nov-2017 16:09 65K 
[IMG]16.1MHz_VFO_BF960.gif07-Nov-2017 16:09 25K 
[IMG]20Hz-20kHz_Audio_Signal_Gen.gif07-Nov-2017 16:09 30K 
[IMG]20m_DCR_with_AGC.gif07-Nov-2017 16:09 42K 
[IMG]27MHz_6W_FM_TX.gif07-Nov-2017 16:09 20K 
[IMG]2m_Printed_Inductors_LNA_BF981.gif07-Nov-2017 16:09 23K 
[IMG]2m_SSB-CW_TRX_YO3BAL,YO3AD,YO3CTW.gif07-Nov-2017 16:09 76K 
[IMG]30m_Autodyne_RX_VK2ZAY.gif07-Nov-2017 16:09 43K 
[IMG]30m_Z-match_VK2ZAY.gif07-Nov-2017 16:09 50K 
[IMG]400MHz_Tunel_Diode_LO.gif07-Nov-2017 16:09 13K 
[IMG]40m_DCR_BF173.gif07-Nov-2017 16:09 21K 
[IMG]40m_DCR_BF981.gif07-Nov-2017 16:09 34K 
[IMG]50.15MHz_100mW_AM_TX.gif07-Nov-2017 16:09 21K 
[IMG]5MHz_10kHz-range_VFX.gif07-Nov-2017 16:09 13K 
[IMG]6m_AM_TRX_G3XBM.gif07-Nov-2017 16:09 76K 
[IMG]70MHz-to-28MHz_TRV_9A7PJT.gif07-Nov-2017 16:09 344K 
[IMG]70MHz-to-28MHz_TRV_G4DDK.gif07-Nov-2017 16:09 126K 
[IMG]80m_1.5W_CW_TX_Beacon_VK2ZAY.gif07-Nov-2017 16:10 31K 
[IMG]80m_Superhet_RX_74HC4066.gif07-Nov-2017 16:10 521K 
[IMG]80m_XBM80-2_CW_TRX_G3XBM.gif07-Nov-2017 16:10 17K 
[IMG]Aerial_Coupler_VK3XU.gif07-Nov-2017 16:10 15K 
[IMG]Air-band_On-Board_Passive_RX_VK6FH.gif07-Nov-2017 16:10 21K 
[IMG]CW_Keyer_3xBJT.gif07-Nov-2017 16:10 14K 
[IMG]CW_Keyer_SN7495.gif07-Nov-2017 16:10 26K 
[IMG]Dual-Gate_MOSFET_Dip_Meter.gif07-Nov-2017 16:10 77K 
[IMG]Dual-Gate_MOSFET_FM_TX_VK6FH.gif07-Nov-2017 16:10 31K 
[IMG]FET_Dip_Meter_G3WPO.gif07-Nov-2017 16:10 66K 
[IMG]Functions_Gen_741.gif07-Nov-2017 16:10 21K 
[IMG]HF_3W_CW_TX-Beacon.gif07-Nov-2017 16:10 27K 
[IMG]HF_Active_Loop_Antenna_VK2ZAY.gif07-Nov-2017 16:10 38K 
[IMG]HF_DCR_3xBJT.gif07-Nov-2017 16:10 58K 
[IMG]HF_SSB_RX_VK6FH.gif07-Nov-2017 16:10 117K 
[IMG]HF_Superhet-DCR_SSB_RX_VK6FH.gif07-Nov-2017 16:10 96K 
[IMG]Impedance_Bridge_VK2ZAY.gif07-Nov-2017 16:10 15K 
[IMG]Kalitron_Dip_Meters_VK3XU.gif07-Nov-2017 16:10 93K 
[IMG]Metal_Detector_VK6FH.gif07-Nov-2017 16:10 91K 
[IMG]MW_SW_Reflex_RX.gif07-Nov-2017 16:10 21K 
[IMG]Negative_Resistance_LO_Lamda_Diode_VK6FH.gif07-Nov-2017 16:10 53K 
[IMG]RF_Switching_Mixer_74HC4066.gif07-Nov-2017 16:10 32K 
[IMG]Sensitive_Wavemeter_VK2ZAY.gif07-Nov-2017 16:10 30K 
[IMG]Simplest_Metal_Detector_TL074.gif07-Nov-2017 16:10 24K 
[IMG]Single_JFET_FM_TRX_VK2ZAY.gif07-Nov-2017 16:10 142K 
[IMG]Super-Regen_Dip_Meter_VK2ZAY.gif07-Nov-2017 16:10 41K 
[IMG]Super-Regen_FM_RX_VK2ZAY.gif07-Nov-2017 16:10 41K 
[IMG]Super-Regen_JFET_Dip_Meter_VK2ZAY.gif07-Nov-2017 16:10 20K 
[IMG]SW_Reaction_RX_40673.gif07-Nov-2017 16:10 46K 
[IMG]SW_Reaction_RX_BF245.gif07-Nov-2017 16:11 27K 
[IMG]VHF_2W_FM_TX.gif07-Nov-2017 16:11 74K 
[IMG]VHF_DCR_J310.gif07-Nov-2017 16:11 31K 
[IMG]VHF_Super-reaction_RX.gif07-Nov-2017 16:11 17K 
[IMG]1.3GHz-to-144MHz_TRV_F6CER.gif02-Dec-2017 14:31 138K 
[IMG]1.7MHz-210MHz_Field_Tester.gif02-Dec-2017 14:31 155K 
[IMG]10.7MHz_Stable_MOSFET_Amplifier.gif02-Dec-2017 14:31 80K 
[IMG]1000W_PIN-diode_Antenna_Switch_SM5BSZ.gif02-Dec-2017 14:31 6.4K 
[IMG]100kHz_Extremely_High-Q_IF_Filter_SM5BSZ.gif02-Dec-2017 14:31 17K 
[IMG]100MHz-200MHz_VCO.gif02-Dec-2017 14:31 151K 
[IMG]100MHz_PLL_FM_TX.gif02-Dec-2017 14:31 126K 
[IMG]101MHz_1W_FM_TX.gif02-Dec-2017 14:31 191K 
[IMG]1136MHz_3W_Signal_Source.gif02-Dec-2017 14:31 172K 
[IMG]1136MHz_Interdigital_Filter.gif02-Dec-2017 14:31 35K 
[IMG]144MHz-430MHz_SWR-meter_DL4YHF.gif02-Dec-2017 14:31 35K 
[IMG]144MHz-to-1296MHz_TX_Converter_F8CER.gif02-Dec-2017 14:31 198K 
[IMG]144MHz_20W_FM_PA_F6HMT.gif02-Dec-2017 14:31 101K 
[IMG]144MHz_40W_FM_PA_VHF40.gif02-Dec-2017 14:31 164K 
[IMG]144MHz_FM_TRX_F6FJH.gif02-Dec-2017 14:31 300K 
[IMG]144MHz_LNA_BF981_F6CER.gif02-Dec-2017 14:31 104K 
[IMG]144MHz_PLL_Beacon_F6DTA.gif02-Dec-2017 14:31 204K 
[IMG]144MHz_RX_Front-End.gif02-Dec-2017 14:31 175K 
[IMG]200Hz_CW_Filter_TL084_DL4YHF.gif02-Dec-2017 14:31 41K 
[IMG]20m_QRP_CW_TRX_MFJ-9020.gif02-Dec-2017 14:32 184K 
[IMG]2400MHz-to-144MHz_RX_Converter.gif02-Dec-2017 14:32 94K 
[IMG]3-Phase_Generator_LM324.gif02-Dec-2017 14:32 34K 
[IMG]30MHz-BW_Flat_Amplitude_Phase_Shifter_SM5BSZ.gif02-Dec-2017 14:32 10K 
[IMG]3MHz_Phase_Shifter_LT1226.gif02-Dec-2017 14:32 44K 
[IMG]432MHz-to-600MHz_ATV_Upconverter.gif02-Dec-2017 14:32 249K 
[IMG]432MHz_FM_RX_SL6600.gif02-Dec-2017 14:32 242K 
[IMG]50MHz_FET_GND_Gate_VCO.gif02-Dec-2017 14:32 6.9K 
[IMG]60MHz-90MHz_PLL.gif02-Dec-2017 14:32 353K 
[IMG]72MHz_144MHz_432MHz_1296MHz_10368MHz_Beacon.gif02-Dec-2017 14:32 346K 
[IMG]7MHz_10W_CW_TX_.gif02-Dec-2017 14:32 147K 
[IMG]80m_X-tal-tuning_RX_AA7EE.gif02-Dec-2017 14:32 103K 
[IMG]88-108MHz_1W_Tuned_FM_TX.gif02-Dec-2017 14:32 117K 
[IMG]88-108MHz_PLL_FM_TX.gif02-Dec-2017 14:32 128K 
[IMG]AGC_in_Audio_NE592.gif02-Dec-2017 14:32 11K 
[IMG]Antenna_Noise_Canceller_ANC-4_Timewave.gif02-Dec-2017 14:32 101K 
[IMG]Audio_LO_Distortion_Cancellation.gif02-Dec-2017 14:32 38K 
[IMG]CAT_Interface_ICOM-YAESU_SP2DMB.gif02-Dec-2017 14:32 37K 
[IMG]Crystal_Evaluator_for_Filters.gif02-Dec-2017 14:32 159K 
[IMG]Frequency_Doubler_HP2800.gif02-Dec-2017 14:32 61K 
[IMG]HF-to-70MHz_SWR_Bridge_SP2DMB.gif02-Dec-2017 14:33 22K 
[IMG]HF_10W_Push-Pull_IRF510_PA.gif02-Dec-2017 14:33 280K 
[IMG]HF_1W_Class-A_PA_ZL1WTT.gif02-Dec-2017 14:33 19K 
[IMG]HF_SWR-meter_DL4YHF.gif02-Dec-2017 14:33 101K 
[IMG]I&Q_Phasing_Modulator_ZL1WTT.gif02-Dec-2017 14:33 116K 
[IMG]Loop_Antenna_RX_Preamplifiers.gif02-Dec-2017 14:33 237K 
[IMG]Phase_Correlation_Meter.gif02-Dec-2017 14:33 13K 
[IMG]Phase_Meter_CD4070.gif02-Dec-2017 14:33 12K 
[IMG]Phase_Sensor_CD4001.gif02-Dec-2017 14:33 6.6K 
[IMG]Phase_Sensor_SN7486.gif02-Dec-2017 14:33 43K 
[IMG]Push-Push_JFET_Frequency_Multiplier.gif02-Dec-2017 14:33 65K 
[IMG]Various_BALUNs.gif02-Dec-2017 14:33 241K 
[IMG]VHF_10W_FM_PA.gif02-Dec-2017 14:33 125K 
[IMG]VHF_25W_SSB_PA.gif02-Dec-2017 14:33 34K 
[IMG]VHF_FM_RX_SL6640_F6DTA.gif02-Dec-2017 14:33 213K 
[IMG]Video_Modulator_40673.gif02-Dec-2017 14:33 74K 
[IMG]1.8MHz-7MHz_25W_MOSFET_PA_VK3XU.gif10-Dec-2017 08:35 104K 
[IMG]10368MHz_Cavity_BPF_F8BCU.gif10-Dec-2017 08:35 178K 
[IMG]10368MHz_to_144MHz_RX_Converter_F8BCU.gif10-Dec-2017 08:35 89K 
[IMG]10GHz_144MHz_RX_Converter_G3WDG.gif10-Dec-2017 08:35 56K 
[IMG]10MHz-1GHz_VCO_RF2506.gif10-Dec-2017 08:35 27K 
[IMG]10MHz_LO_Controlled_by_GPS.gif10-Dec-2017 08:35 117K 
[IMG]1136MHz_to_10224MHz_Multiplier_F8BCU.gif10-Dec-2017 08:35 282K 
[IMG]1296MHz_Signal_Source_G3PFR.gif10-Dec-2017 08:35 191K 
[IMG]144MHz-432MHz_LNA_BF960_FE6BCU.gif10-Dec-2017 08:35 177K 
[IMG]144MHz-50MHz_TRV_IE500.gif10-Dec-2017 08:36 562K 
[IMG]144MHz_30W_SSB_PA_MRF238.gif10-Dec-2017 08:36 136K 
[IMG]144MHz_Sniffer_Field-Meter_ZS6EF.gif10-Dec-2017 08:36 70K 
[IMG]144MHz_to_1136MHz_TX_Converter_F8BCU.gif10-Dec-2017 08:36 81K 
[IMG]19m-band_RX_TCA440_.gif10-Dec-2017 08:36 288K 
[IMG]20m_SSB_RX_MC3362_K9AY.gif10-Dec-2017 08:36 86K 
[IMG]27MHz_10-tones_AM_modulated_TX.gif10-Dec-2017 08:36 193K 
[IMG]28V_30A_PS_VK2BRD.gif10-Dec-2017 08:36 182K 
[IMG]3.56MHz_VXO.gif10-Dec-2017 08:36 32K 
[IMG]3.59MHz_1W_CW_TX.gif10-Dec-2017 08:36 54K 
[IMG]378MHz-to-1136MHz_Multiplier_F8BCU.gif10-Dec-2017 08:36 126K 
[IMG]378MHz_Signal_Source_F8BCU.gif10-Dec-2017 08:36 201K 
[IMG]384MHz-to-1152MHz_Freq_Multiplier_F8BCU.gif10-Dec-2017 08:36 253K 
[IMG]384MHz_Signal_Source_F8BCU.gif10-Dec-2017 08:36 158K 
[IMG]4-to-1_Narrow_Band_Coax_Cable_Balun.gif10-Dec-2017 08:36 27K 
[IMG]40m_30m_Super-Gainer_RX_GM4HTU.gif10-Dec-2017 08:36 85K 
[IMG]40m_SSB_QRP_TRX_G4BWE.gif10-Dec-2017 08:37 278K 
[IMG]432MHz_LNA_F8BCU.gif10-Dec-2017 08:37 156K 
[IMG]432MHz_Narrow_BPF_FC1GOW.gif10-Dec-2017 08:37 197K 
[IMG]432MHz_Narrowband_LNA_F8BCU.gif10-Dec-2017 08:37 372K 
[IMG]438.5MHz_ATV_AM_TX_F1DIW.gif10-Dec-2017 08:37 442K 
[IMG]453kHz_Ceramic_Filter_BFO.gif10-Dec-2017 08:37 31K 
[IMG]500Hz-3kHz_BPF.gif10-Dec-2017 08:37 54K 
[IMG]50MHz_VSWR_meter_FD1FLN.gif10-Dec-2017 08:37 60K 
[IMG]6Hz-9.8MHz_Wideband_Amplifier.gif10-Dec-2017 08:37 55K 
[IMG]7MHz_1.5W_CW_TX_F9BCU.gif10-Dec-2017 08:37 324K 
[IMG]7MHz_5W_SSB_PA_G4BWE.gif10-Dec-2017 08:37 59K 
[IMG]80m,40m,20m_30W_SSB_PA_F8BCU.gif10-Dec-2017 08:37 215K 
[IMG]80m_5W_Novice_TX_G4BWE.gif10-Dec-2017 08:37 119K 
[IMG]Audio_Notch_Filter_G7EAH.gif10-Dec-2017 08:37 103K 
[IMG]Capacimeter_NE555.gif10-Dec-2017 08:37 171K 
[IMG]DC-to-1GHz_0-44dB_RF_Attenuator_RF2420.gif10-Dec-2017 08:37 21K 
[IMG]Double_Side_Band_Detector.gif10-Dec-2017 08:38 184K 
[IMG]Dynamic_Noise_Reducer.gif10-Dec-2017 08:38 67K 
[IMG]Ferrite-bead_Balun_VE2CV.gif10-Dec-2017 08:38 59K 
[IMG]FM_ATV_Video_Modulator_F8BCU.gif10-Dec-2017 08:38 193K 
[IMG]FM_Detectors_Types.gif10-Dec-2017 08:38 140K 
[IMG]HF_1.5W_SSB_PA_F8BCU.gif10-Dec-2017 08:38 333K 
[IMG]HF_2W_CW_PA_FE6BCU.gif10-Dec-2017 08:38 188K 
[IMG]Inductors_Measurements_Setup_Equation.gif10-Dec-2017 08:38 8.9K 
[IMG]Low_Noise_Moving_Coil_Audio_Amplifier.gif10-Dec-2017 08:38 41K 
[IMG]Noise_Bridge_PA0SE.gif10-Dec-2017 08:38 68K 
[IMG]Phase_Demodulator_MC1496.gif10-Dec-2017 08:38 189K 
[IMG]Simple_Frequency_Doubler.gif10-Dec-2017 08:38 17K 
[IMG]Stepper_Motor_DC_Generator.gif10-Dec-2017 08:38 11K 
[IMG]Unity_Gain_Buffer.gif10-Dec-2017 08:38 20K 
[IMG]VSWR_meter_Resistive-Cap_Divider.gif10-Dec-2017 08:38 108K 
[IMG]0-200kHz_Analog_Frequency_Meter.gif30-Dec-2017 12:54 16K 
[IMG]1-4_Guanella_Balun_Two_Cores.gif30-Dec-2017 12:54 33K 
[IMG]100kHz-3MHz_Signal_Gen.gif30-Dec-2017 12:54 64K 
[IMG]10Hz-100kHz_Signal_Gen.gif30-Dec-2017 12:54 52K 
[IMG]144MHz-550kHz_Down-Up_Converter_W1CER.gif30-Dec-2017 12:54 12K 
[IMG]144MHz-to-28MHz_RX_Converter_W1CER.gif30-Dec-2017 12:54 134K 
[IMG]144MHz_10W_FM_TX_W1CER.gif30-Dec-2017 12:54 54K 
[IMG]144MHz_5W_AM_TX_W7HCV.gif30-Dec-2017 12:54 100K 
[IMG]144MHz_FM_RX_G8FTB.gif30-Dec-2017 12:54 179K 
[IMG]144MHz_Neutralized_JFET_LNA_W1KLK.gif30-Dec-2017 12:54 13K 
[IMG]14MHz_8W_CW_PA_W1CER.gif30-Dec-2017 12:54 15K 
[IMG]15Hz-to-1.5MHz_Wien-Bridge_Signal_Gen.gif30-Dec-2017 12:54 21K 
[IMG]1W_Headphone_Amplifier_ON5FE.gif30-Dec-2017 12:54 12K 
[IMG]2.3GHz-to-144MHz_RX_Converter_W4HHK.gif30-Dec-2017 12:54 28K 
[IMG]20m_DCR_BC107.gif30-Dec-2017 12:54 78K 
[IMG]3.5-29MHz_Tuned_LNA_W1ICP.gif30-Dec-2017 12:54 70K 
[IMG]3.5MHz-to-550kHz_Down-Up_Converter_W1CER.gif30-Dec-2017 12:54 15K 
[IMG]4.9MHz-to-5.5MHz_Dual-Gate_VFO_R-599.gif30-Dec-2017 12:54 14K 
[IMG]40m_QRP_CW_TRX_W3KET.gif30-Dec-2017 12:54 150K 
[IMG]40m_SSB_RX_OK2UGS.gif30-Dec-2017 12:54 67K 
[IMG]5-6MHz_7-8MHz_Dual_Band_VFO_W1CER.gif30-Dec-2017 12:54 24K 
[IMG]50MHz_2W_Beacon_WB2AMU.gif30-Dec-2017 12:54 103K 
[IMG]5MHz-5.5MHz_VFO_SB-100.gif30-Dec-2017 12:54 15K 
[IMG]800MHz_LNA_BF998.gif30-Dec-2017 12:54 15K 
[IMG]80m,40m,20m_SSB_RX_W2NH.gif30-Dec-2017 12:54 57K 
[IMG]80m-40m_VFO_WA3EQK.gif30-Dec-2017 12:54 35K 
[IMG]9-1_UnUn_M0UKD.gif30-Dec-2017 12:54 44K 
[IMG]9MHz_DSB_Modulator_ON5FE.gif30-Dec-2017 12:54 48K 
[IMG]9MHz_IF_Amp_ON5FE.gif30-Dec-2017 12:54 16K 
[IMG]AGC_S-meter_SPR-4.gif30-Dec-2017 12:54 12K 
[IMG]All-Bands_to_3.5MHz_RX_Converter_W1KLK.gif30-Dec-2017 12:55 54K 
[IMG]All-HF_Bands_Varactor_Tuned_Oscillator.gif30-Dec-2017 12:55 31K 
[IMG]AM_Crystal_Radio_MC1458.gif30-Dec-2017 12:55 7.8K 
[IMG]AM_Magnum_Ant_Booster_and_RX.gif30-Dec-2017 12:55 221K 
[IMG]Audio_AGC_Limitter.gif30-Dec-2017 12:55 73K 
[IMG]Cascode_IF_Amp_Product_Detector.gif30-Dec-2017 12:55 21K 
[IMG]DRM_RX_NE612_OK2UGS.gif30-Dec-2017 12:55 19K 
[IMG]DRM_RX_OK2UGS.gif30-Dec-2017 12:55 12K 
[IMG]Dynamic_Mic_Preamp_TL081.gif30-Dec-2017 12:55 47K 
[IMG]FM_Bridge_Discriminator_W1KLK.gif30-Dec-2017 12:55 8.6K 
[IMG]FM_Crystal_Discriminator_W1KLK.gif30-Dec-2017 12:55 11K 
[IMG]FM_Transformerless_Discriminator_W1KLK.gif30-Dec-2017 12:55 11K 
[IMG]Function_Gen_CA3280.gif30-Dec-2017 12:55 47K 
[IMG]HF_Differential_Active_Antenna.gif30-Dec-2017 12:55 51K 
[IMG]HF_JFET_LNA_AGC_DX-150.gif30-Dec-2017 12:55 9.0K 
[IMG]Improved_AGC_with_JFET.gif30-Dec-2017 12:55 5.8K 
[IMG]Loop_Antenna_Preamp_G8BUS.gif30-Dec-2017 12:55 42K 
[IMG]Low_Distortion_Low_Output_Imped_Headphone_Amp.gif30-Dec-2017 12:55 9.0K 
[IMG]Low_Voltage_CW_Monitor.gif30-Dec-2017 12:55 14K 
[IMG]Magnetometer.gif30-Dec-2017 12:55 95K 
[IMG]QRP_Tuner_VSWR_Power_Meter_W1CER.gif30-Dec-2017 12:55 33K 
[IMG]RC_Active_Filter_for_CW_W7ZOI.gif30-Dec-2017 12:55 21K 
[IMG]Selectoroid_Interference_Eliminator_W1ICP.gif30-Dec-2017 12:55 19K 
[IMG]Short-Wave_Simplest_RX.gif30-Dec-2017 12:55 13K 
[IMG]Single_JFET_Prod_Detector_W0IYH.gif30-Dec-2017 12:55 7.8K 
[IMG]Slow-scan_Adapter_W7FEN.gif30-Dec-2017 12:55 28K 
[IMG]Speech_Processor_with_VOX_ON5FE.gif30-Dec-2017 12:55 71K 
[IMG]SSB-AM_Detector_SPR-4.gif30-Dec-2017 12:55 13K 
[IMG]SW-to-MW_RX_Converter_K9KZT.gif30-Dec-2017 12:55 21K 
[IMG]Switchable_Impedance_Balun.gif30-Dec-2017 12:55 22K 
[IMG]Torroid_Transformer_Splitter.gif30-Dec-2017 12:55 28K 
[IMG]Transformerless_Balanced_JFET_Mixer.gif30-Dec-2017 12:55 9.6K 
[IMG]Variable_Gain_Amplifier_Pentode_Eq.gif30-Dec-2017 12:55 8.8K 
[IMG]VFO_with_PLL_DL6WD.gif30-Dec-2017 12:55 49K 
[IMG]VHF_VXO.gif30-Dec-2017 12:55 15K 
[IMG]Wires_Detector_CS209.gif30-Dec-2017 12:55 18K 
[IMG]Product_Detector_BFO_Dual-Gate_MOSFET.gif30-Dec-2017 13:04 20K 
[IMG]Product_Detector_Dual-Gate_MOSFET.gif30-Dec-2017 13:04 18K 
[IMG]1.8MHz-146MHz_RF_Power_Meter.gif16-Feb-2018 05:19 131K 
[IMG]1.8MHz_QRP_AM_TX_GW3MEO.gif16-Feb-2018 05:19 58K 
[IMG]1.8MHz_QRP_DSB_TX_G3VTT.gif16-Feb-2018 05:19 91K 
[IMG]144MHz_3W_FM_TX_G8JVE.gif16-Feb-2018 05:19 203K 
[IMG]144MHz_Masthead_Preamplifier_BF981.gif16-Feb-2018 05:19 77K 
[IMG]146MHz_25W_FM_PA_K7QWR.gif16-Feb-2018 05:19 19K 
[IMG]146MHz_50W_FM_PA_K7QWR.gif16-Feb-2018 05:19 20K 
[IMG]15kHz-100kHz_VLF_RX_G8MWR.gif16-Feb-2018 05:19 63K 
[IMG]16MHz_VXO_PA0KSB.gif16-Feb-2018 05:19 80K 
[IMG]18MHz_FM-FSK_Mod_LO.gif16-Feb-2018 05:19 21K 
[IMG]19m,16m,13m_Regen_Receivers.gif16-Feb-2018 05:19 74K 
[IMG]1MHz-150MHz_100W_Syrup_Can_Dummy_Load.gif16-Feb-2018 05:19 103K 
[IMG]20Hz-20kHz_Function_Gen_ICL8038.gif16-Feb-2018 05:19 48K 
[IMG]28MHz_VXO_Doubler_PA0MBJ.gif16-Feb-2018 05:19 27K 
[IMG]2m-Band_SA_Monitor.gif16-Feb-2018 05:20 118K 
[IMG]300kHz-500kHz_Wobbulator.gif16-Feb-2018 05:20 156K 
[IMG]40m_10W_AM_TX_IRF510.gif16-Feb-2018 05:20 28K 
[IMG]40m_50W_IRF510_PA_G0KLA.gif16-Feb-2018 05:20 14K 
[IMG]40m_DCR_J304_G3RJV.gif16-Feb-2018 05:20 136K 
[IMG]432MHz-to-144MHz_RX_Conv_G8TYY.gif16-Feb-2018 05:20 115K 
[IMG]432MHz_Helical_Antenna.gif16-Feb-2018 05:20 139K 
[IMG]435MHz_to_Ch37_ATV_RX_Converter.gif16-Feb-2018 05:20 57K 
[IMG]50MHz-to-28MHz_TRV_G4HUP.gif16-Feb-2018 05:20 99K 
[IMG]50MHz_SSB_Otter_RX_G8JVE.gif16-Feb-2018 05:20 190K 
[IMG]5kHz-420MHz_to_29.5MHz_RX_Converter.gif16-Feb-2018 05:20 166K 
[IMG]7.5MHz-45MHz_PLL_W1KNI.gif16-Feb-2018 05:20 41K 
[IMG]70MHz_FWD_REF_uStrip_Bridge.gif16-Feb-2018 05:20 130K 
[IMG]7MHz_3W_CW_PA_G3RJV.gif16-Feb-2018 05:20 48K 
[IMG]7MHz_QRP_CW_TRX_G3RJV.gif16-Feb-2018 05:20 168K 
[IMG]7MHz_VFO_2N3819_G3RJV.gif16-Feb-2018 05:20 51K 
[IMG]80m_SSB_RX_K5WMS.gif16-Feb-2018 05:20 129K 
[IMG]88-108MHz_3xSuper-regen_Receivers.gif16-Feb-2018 05:20 141K 
[IMG]Antenna_Pattern_on_Scope_G8XCN.gif16-Feb-2018 05:20 271K 
[IMG]Audio_Preamp_Tone_Correction.gif16-Feb-2018 05:20 28K 
[IMG]Bazooka_Coax_Balun.gif16-Feb-2018 05:20 17K 
[IMG]Beginner's_SW_Receiver.gif16-Feb-2018 05:20 58K 
[IMG]BJT_CW_Audio_Filter.gif16-Feb-2018 05:20 62K 
[IMG]BJT_Notch_Filter.gif16-Feb-2018 05:20 47K 
[IMG]BJT_Product_Detector_G6KSN.gif16-Feb-2018 05:21 46K 
[IMG]Distortion-SINAD_Meter.gif16-Feb-2018 05:21 277K 
[IMG]Dynamic_Mic_Preamp_Tone_Control.gif16-Feb-2018 05:21 56K 
[IMG]Electret_Mic_Preamp_NE5532.gif16-Feb-2018 05:21 12K 
[IMG]External_Noise_vs_Frequency.gif16-Feb-2018 05:21 129K 
[IMG]Fast_VFO_Stabilizer_G7IXH.gif16-Feb-2018 05:21 44K 
[IMG]FM_Mains_Intercom_G4JET.gif16-Feb-2018 05:21 199K 
[IMG]Gain_of_Collinear_Dipole_Antennas.gif16-Feb-2018 05:21 78K 
[IMG]GHz_Impulse_Generator.gif16-Feb-2018 05:21 13K 
[IMG]HF_100W_PA_G4AMW.gif16-Feb-2018 05:21 143K 
[IMG]HF_High_Linearity_tuned_LNA.gif16-Feb-2018 05:21 78K 
[IMG]High-Level_Noise_Source_W8BBB.gif16-Feb-2018 05:21 23K 
[IMG]High_Stability_JFET_VFO_2N3819.gif16-Feb-2018 05:21 84K 
[IMG]Impedance_Bridge_Toroid_FT37-43.gif16-Feb-2018 05:21 18K 
[IMG]LCR_Bridge_GW3JGA.gif16-Feb-2018 05:21 190K 
[IMG]Line_Sampler_W1SL.gif16-Feb-2018 05:21 25K 
[IMG]MW_Loop_Antenna_Preamplifier.gif16-Feb-2018 05:21 74K 
[IMG]Passive_Audio_Band_Pass_Filters.gif16-Feb-2018 05:21 137K 
[IMG]QRP_FWD_REF_meter.gif16-Feb-2018 05:21 9.0K 
[IMG]Regenerative_Detector_RX_BF981.gif16-Feb-2018 05:21 36K 
[IMG]RF_Speech_Processor.gif16-Feb-2018 05:21 127K 
[IMG]Short-Wave_Tuned_Active_Antenna_G6KSN.gif16-Feb-2018 05:21 49K 
[IMG]Simple_VFO_Stabilizer_F5VLG.gif16-Feb-2018 05:21 37K 
[IMG]Stay-Put_Frequency_Stabilizer_G3DXZ.gif16-Feb-2018 05:21 25K 
[IMG]SW_BFO_for_SSB-CW.gif16-Feb-2018 05:21 42K 
[IMG]Triambic_Keyer_G4FMS.gif16-Feb-2018 05:21 138K 
[IMG]Vert_Ant_Array_Pattern.gif16-Feb-2018 05:22 330K 
[IMG]Very_Low_DC_Current_AM_RX.gif16-Feb-2018 05:22 82K 
[IMG]VHF_Audible_Field_Meter.gif16-Feb-2018 05:22 59K 
[IMG]1-4_Coax_Cable_Balun_PA0FRI.gif31-Mar-2018 13:26 174K 
[IMG]1.8MHz-30MHz_25W_SSB_PA_W6FIG.gif31-Mar-2018 13:26 9.8K 
[IMG]1.8MHz-to-28MHz_RX_Converter_WA3JSU.gif31-Mar-2018 13:26 13K 
[IMG]1.8MHz_to_28MHz_RX_Conv_W1FB.gif31-Mar-2018 13:26 19K 
[IMG]10m,6m,2m_MOSFET_LNA.gif31-Mar-2018 13:26 25K 
[IMG]10MHz-to-600MHz_120W_PA_BLF645.gif31-Mar-2018 13:26 108K 
[IMG]1296MHz_GaAs_FET_LNA_WA2ZZF.gif31-Mar-2018 13:26 29K 
[IMG]144MHz_SSB_RX_with_PLL_ZL1AHQ.gif31-Mar-2018 13:26 97K 
[IMG]14MHz-to-7MHz_RX_Converter_W1CER.gif31-Mar-2018 13:26 25K 
[IMG]14MHz_DCR_CA3127_W1FB.gif31-Mar-2018 13:26 35K 
[IMG]14MHz_Single_Balanced_Diode_Mixer.gif31-Mar-2018 13:26 8.3K 
[IMG]14MHz_VFO_W1FB.gif31-Mar-2018 13:26 37K 
[IMG]20m_6W_CW_TX_W1VD.gif31-Mar-2018 13:27 55K 
[IMG]21MHz-to-3.5MHz_RX_Converter_W1ICP.gif31-Mar-2018 13:27 28K 
[IMG]21MHz_10W_CW_TX_WA1LNQ.gif31-Mar-2018 13:27 61K 
[IMG]224MHz_Signal_Source_W1SL.gif31-Mar-2018 13:27 27K 
[IMG]24GHz_Single_Balanced_Rat-Race_Mixer.gif31-Mar-2018 13:27 44K 
[IMG]24MHz-24.6MHz_VCO_K1ZJH.gif31-Mar-2018 13:27 16K 
[IMG]28MHz_to_144MHz_TX_Converter_W1SL.gif31-Mar-2018 13:27 28K 
[IMG]3.5MHz-to-7MHz_Push-Push_Power_Doubler.gif31-Mar-2018 13:27 10K 
[IMG]3.5MHz_10W_CW_PA_W1CER.gif31-Mar-2018 13:27 23K 
[IMG]3.5MHz_2W_CW_TX_Sardine_W1FB.gif31-Mar-2018 13:27 30K 
[IMG]4.5MHz_FM_Modulator.gif31-Mar-2018 13:27 41K 
[IMG]40m-20m_15W_CW_PA_W1FB.gif31-Mar-2018 13:27 23K 
[IMG]40m-20m_CW_QRP_TX_W1CER.gif31-Mar-2018 13:27 68K 
[IMG]40m_CW_TX_Vackar-VFO_K6BSU.gif31-Mar-2018 13:27 70K 
[IMG]40m_Mini-Miser_SSB_RX_W1CER.gif31-Mar-2018 13:27 63K 
[IMG]40m_QRP_CW_TRX_Mavti-40_K0JYD.gif31-Mar-2018 13:27 56K 
[IMG]432MHz_15W_PA_WA7CNP.gif31-Mar-2018 13:27 19K 
[IMG]432MHz_60W_PA_K2OVS.gif31-Mar-2018 13:27 30K 
[IMG]432MHz_GaAs_FET_LNA_WA2ZZF.gif31-Mar-2018 13:27 31K 
[IMG]50MHz_100MHz_PA_S175-28.gif31-Mar-2018 13:27 33K 
[IMG]50MHz_SSB_RX_K1ZJH.gif31-Mar-2018 13:27 66K 
[IMG]5MHz-5.5MHz_Sweeper_VCO_W7WKR.gif31-Mar-2018 13:27 35K 
[IMG]5MHz-5.5MHz_VFO_TS511A.gif31-Mar-2018 13:27 16K 
[IMG]80m,40m_QRP_CW_TX_W0MCN.gif31-Mar-2018 13:27 45K 
[IMG]80m_CW-DSB_QRP_TX_W6CJM.gif31-Mar-2018 13:27 42K 
[IMG]9.5MHz_VXO_K9KZT.gif31-Mar-2018 13:27 13K 
[IMG]Audio_Voltmeter_W7ZOI.gif31-Mar-2018 13:27 12K 
[IMG]Auditory_Dip_Meter_W4MKC.gif31-Mar-2018 13:27 33K 
[IMG]Capacimeter_on_Voltmeter_W0YOR.gif31-Mar-2018 13:27 16K 
[IMG]Delay_Line_uStrip_Balun.gif31-Mar-2018 13:27 26K 
[IMG]Dot-Memory_Keyer_WB0LHE.gif31-Mar-2018 13:27 45K 
[IMG]Dual_Diode_Microwave_Mixer.gif31-Mar-2018 13:27 45K 
[IMG]Gated_Noise_Source_WA8ULG.gif31-Mar-2018 13:27 40K 
[IMG]Grid-Dip_with_Audio_Monitor_WB4OBZ.gif31-Mar-2018 13:27 30K 
[IMG]Hang_AGC_W6MUR.gif31-Mar-2018 13:27 16K 
[IMG]Helical_BPF_for_Field_Day.gif31-Mar-2018 13:27 24K 
[IMG]HF_Broadband_1.5W_SSB_PA.gif31-Mar-2018 13:27 31K 
[IMG]Hybrid_Coupler_RF_Bridge.gif31-Mar-2018 13:27 9.4K 
[IMG]Impedance_Bridge_for_Coax_Lines_K1PLP.gif31-Mar-2018 13:27 32K 
[IMG]Keyer_T-R_Switch_WA9BLK.gif31-Mar-2018 13:27 19K 
[IMG]Loop_Antenna_Preamplifier_W1YNC.gif31-Mar-2018 13:27 16K 
[IMG]Low_Distortion_Single_Balanced_Diode_Mixer.gif31-Mar-2018 13:27 6.8K 
[IMG]Low_Power_Transmatch_SWR_meter_W1CER.gif31-Mar-2018 13:28 31K 
[IMG]Magnetic_Long-Wire_Balun_GW0MVR.gif31-Mar-2018 13:28 31K 
[IMG]Marchand_uStrip_Balun.gif31-Mar-2018 13:28 61K 
[IMG]Memory_Keyer_IM6518_K3CU.gif31-Mar-2018 13:28 102K 
[IMG]Mic_Amp_with_VOX_AntiVOX_W1KLK.gif31-Mar-2018 13:28 18K 
[IMG]Multi-Balun_4-1,9-1,-16-1_I6IBE.gif31-Mar-2018 13:28 75K 
[IMG]NBS-WWV_RX_Converter_WA6GVC.gif31-Mar-2018 13:28 48K 
[IMG]Phase_Detector_Active_Loop_Filter_MC4044.gif31-Mar-2018 13:28 11K 
[IMG]Pulse_Code_Modulator_WB2EZG.gif31-Mar-2018 13:28 25K 
[IMG]Remote_Heart_Rate_Detector_CW_Doppler_Radar.gif31-Mar-2018 13:28 166K 
[IMG]Single_Diode_Microwave_Mixer.gif31-Mar-2018 13:28 26K 
[IMG]Small_RX_Dipole_Preamplifier.gif31-Mar-2018 13:28 56K 
[IMG]Solid_State_Replacement_for_Vacuum_Tubes.gif31-Mar-2018 13:28 22K 
[IMG]Square_Law_Detector_Microwattmeter_W7ZOI.gif31-Mar-2018 13:28 10K 
[IMG]Two-Stage_Dickson_Charge-Pump_Detector.gif31-Mar-2018 13:28 42K 
[IMG]uStrip_to_Coplanar-Stripline_Balun.gif31-Mar-2018 13:28 19K 
[IMG]Video_Modulator_W0MZL.gif31-Mar-2018 13:28 13K 
[IMG]Voltage_Controlled_Noise_Generator_LA8AK.gif31-Mar-2018 13:28 8.3K 
[IMG]80m_Regen_RX_2N2222.gif10-Apr-2018 11:03 25K 
[IMG]1.3GHz_LO_W3HWC.gif25-Apr-2018 07:29 18K 
[IMG]100MHz-150MHz_FM_Regen_RX.gif25-Apr-2018 07:29 7.1K 
[IMG]100MHz-170MHz_FM_Regen_RX_1.5V.gif25-Apr-2018 07:29 8.1K 
[IMG]10kHz-to-3MHz_ALC_Signal_Generator.gif25-Apr-2018 07:29 33K 
[IMG]12MHz-43MHz_RF_Gen_K9ZLU.gif25-Apr-2018 07:29 34K 
[IMG]14.030MHz_VXO_W3MT.gif25-Apr-2018 07:29 38K 
[IMG]14MHz-to-28MHz_TX_Upconverter_KE4Y.gif25-Apr-2018 07:29 27K 
[IMG]14MHz_DCR_VCR-Mixer_BS170.gif25-Apr-2018 07:29 62K 
[IMG]1kHz_Audio_BPF_2N3904.gif25-Apr-2018 07:29 17K 
[IMG]1MHz-2MHz_ALC_VFO.gif25-Apr-2018 07:29 12K 
[IMG]1MHz-30MHz_High-Gain_Amp_W7ZOI.gif25-Apr-2018 07:29 9.3K 
[IMG]1MHz-54MHz_Dip_Meter_W6HPH.gif25-Apr-2018 07:29 39K 
[IMG]220MHz-28MHz_Bilateral_TRV_W6HPH.gif25-Apr-2018 07:29 44K 
[IMG]2freq_PLL_Circuit.gif25-Apr-2018 07:29 5.1K 
[IMG]3.58MHz_CW_Simple_RX.gif25-Apr-2018 07:30 9.5K 
[IMG]3.5MHz-to-22MHz_DCR_RX_MFJ-8100.gif25-Apr-2018 07:30 42K 
[IMG]3.5MHz_CW_Microtransceiver.gif25-Apr-2018 07:30 7.2K 
[IMG]35MHz-40MHz_Coax_Cable_VFO.gif25-Apr-2018 07:30 15K 
[IMG]3MHz-190MHz_Dip_Meter_W0MSF.gif25-Apr-2018 07:30 37K 
[IMG]40m_1.5W_CW_TX_2N3553_W7ZOI.gif25-Apr-2018 07:30 13K 
[IMG]40m_300mW_1xBJT_CW_TX_W1FB.gif25-Apr-2018 07:30 16K 
[IMG]40m_The-Classie_Class-E_TRX_VE3MKC.gif25-Apr-2018 07:30 65K 
[IMG]432MHz_Transmatch_W2AIH.gif25-Apr-2018 07:30 23K 
[IMG]50MHz-14MHz_Bilateral_TRV_W6HPH.gif25-Apr-2018 07:30 39K 
[IMG]70MHz-80MHz_VCO_Fine-Coarse_Tuning.gif25-Apr-2018 07:30 16K 
[IMG]760Hz-BW_Passive_CW_Audio_Filter_W1FB.gif25-Apr-2018 07:30 32K 
[IMG]780Hz_CW_Audio_Filter_2N2222.gif25-Apr-2018 07:30 9.9K 
[IMG]80m-to-20m_8W_CW_PA_W1FB.gif25-Apr-2018 07:30 79K 
[IMG]80MHz_125MHz_AM-FM_Regen_RX.gif25-Apr-2018 07:30 6.6K 
[IMG]9MHz_IF_Amp_with_AGC_W1FB.gif25-Apr-2018 07:30 40K 
[IMG]AGC_for_9MHz_IF_K5IRK.gif25-Apr-2018 07:30 27K 
[IMG]Bridge_Based_Attenuator.gif25-Apr-2018 07:30 3.7K 
[IMG]Choke_Balun_T200-2.gif25-Apr-2018 07:30 35K 
[IMG]Distributed_Sub-harmonic_Mixers.gif25-Apr-2018 07:30 34K 
[IMG]DSB_Modulator_Varicaps.gif25-Apr-2018 07:30 5.6K 
[IMG]FM_Regen_RX_AM_Suppression.gif25-Apr-2018 07:30 5.3K 
[IMG]Frequency_Synth_1MHz_Step.gif25-Apr-2018 07:30 11K 
[IMG]HF_Regen_RX_3xJ330.gif25-Apr-2018 07:30 6.7K 
[IMG]HF_Regen_RX_Auto_Control.gif25-Apr-2018 07:30 6.3K 
[IMG]HF_Upconversion_SSB_RX_K2BLA.gif25-Apr-2018 07:30 61K 
[IMG]High_Sensitivity_3V_RX.gif25-Apr-2018 07:30 21K 
[IMG]Kenwood_DM-81_Dip_Meter.gif25-Apr-2018 07:30 47K 
[IMG]Logic_Gates_FM_Demod.gif25-Apr-2018 07:30 4.1K 
[IMG]Magnetic_Loop_Antenna_PNP-NPN.gif25-Apr-2018 07:30 5.5K 
[IMG]Magnetic_UNUN_for_LW_Ant_OE7OPJ.gif25-Apr-2018 07:30 15K 
[IMG]Mixer_132dB_Dynamic_Range_74HC4053.gif25-Apr-2018 07:30 5.7K 
[IMG]MW_Direct_Amplif_RX.gif25-Apr-2018 07:30 6.5K 
[IMG]OpAmp_Discrete_BJT_Equivalent.gif25-Apr-2018 07:30 16K 
[IMG]Phasing_Loop_for_Detecting_Noise_Sources_W1FB.gif25-Apr-2018 07:30 39K 
[IMG]Reflection-Coefficient_Bridge_W6ZGN.gif25-Apr-2018 07:30 17K 
[IMG]Semi-automatic_Antenna_Tuner_JA6GW.gif25-Apr-2018 07:30 44K 
[IMG]Sensitive_AM_Demod_KT315.gif25-Apr-2018 07:30 4.4K 
[IMG]Single_FET_Balanced_DSB_Mod.gif25-Apr-2018 07:30 5.4K 
[IMG]SW_Regen_RX_2x2N2222.gif25-Apr-2018 07:30 6.3K 
[IMG]SW_Regen_RX_3xJ310.gif25-Apr-2018 07:30 9.5K 
[IMG]SW_Regen_RX_Opto-isolator.gif25-Apr-2018 07:30 8.2K 
[IMG]Transformerless_Balanced_Mixer_BJT.gif25-Apr-2018 07:30 4.7K 
[IMG]Voltage_Controled_Resistor_Mixer_BS170.gif25-Apr-2018 07:30 32K 
[IMG]0.2MHz-20MHz_Low_Level_AGC_LA7AK.gif06-Jun-2018 08:27 74K 
[IMG]1.3GHz_Signal_Source_G4JNT.gif06-Jun-2018 08:28 269K 
[IMG]1.4MHz-300MHz_Dip_Meter_G3JIR.gif06-Jun-2018 08:28 219K 
[IMG]1.8MHz_SSB_TRX_G3PCJ.gif06-Jun-2018 08:28 342K 
[IMG]10.7MHz_Ceramic_Resonator_VFX_K2BLA.gif06-Jun-2018 08:28 69K 
[IMG]1000Hz-670Hz_Two_Tone_Gen.gif06-Jun-2018 08:28 86K 
[IMG]10GHz_1W_PA_G3WDG.gif06-Jun-2018 08:28 72K 
[IMG]10GHz_ATV_AV_Modulator.gif06-Jun-2018 08:28 44K 
[IMG]10GHz_FM_ATV_TRX.gif06-Jun-2018 08:28 150K 
[IMG]10GHz_HEMT_LNA_G3WDG.gif06-Jun-2018 08:28 57K 
[IMG]1296MHz_0.5W_FM_ATV_TX_IW1DGG.gif06-Jun-2018 08:28 96K 
[IMG]140MHz_SAW_Filter_VCO.gif06-Jun-2018 08:28 66K 
[IMG]144MHz_Strip-Line_BPF_G3UYK.gif06-Jun-2018 08:28 86K 
[IMG]145MHz-434MHz_Diplexer_PA0HVA.gif06-Jun-2018 08:28 114K 
[IMG]14MHz_15W_MOSFET_PA_G4BWE.gif06-Jun-2018 08:28 80K 
[IMG]15W_SSB_PA_KH6CP.gif06-Jun-2018 08:28 65K 
[IMG]160m_Direction_Finding_RX-TX_G4ENA.gif06-Jun-2018 08:28 255K 
[IMG]160m_SSB_RX_TDA1072_G4ENA.gif06-Jun-2018 08:28 140K 
[IMG]1698MHz_TX.gif06-Jun-2018 08:28 76K 
[IMG]170MHz-300MHz_VFO_AGC.gif06-Jun-2018 08:28 29K 
[IMG]18.5MHz_Improved_Two-Crystal_Filter_LA7MI.gif06-Jun-2018 08:29 231K 
[IMG]1MHz-30MHz_Noise_Impedance_Bridge_G3BIK.gif06-Jun-2018 08:29 69K 
[IMG]20m_400W_ARF440_CW_PA.gif06-Jun-2018 08:29 101K 
[IMG]20m_Experimental_QRP_TRX_G4BWE.gif06-Jun-2018 08:29 369K 
[IMG]288MHz_Signal_Source_PA0TLX.gif06-Jun-2018 08:29 118K 
[IMG]28MHz-144MHz_FM_RX_G4PMK.gif06-Jun-2018 08:29 223K 
[IMG]2m_Interference_Reduction_System_G3ZYY.gif06-Jun-2018 08:29 171K 
[IMG]3-30MHz_Single_Coil_Z-Match_ATU.gif06-Jun-2018 08:29 111K 
[IMG]3.58MHz_Ceramic_Resonator_VFO_G4COL.gif06-Jun-2018 08:29 51K 
[IMG]3.59MHz_1W_VFX_TX_G3BBD.gif06-Jun-2018 08:29 57K 
[IMG]3.5MHz-3.6MHz_Very_Stable_VFO_PA0TLX.gif06-Jun-2018 08:29 190K 
[IMG]3.5MHz_1W_CW_TX_VK1010_LA8AK.gif06-Jun-2018 08:29 52K 
[IMG]3.5MHz_30W_IRF511_PA_AA3X.gif06-Jun-2018 08:29 115K 
[IMG]3.5MHz_50W_MOSFET_PA_G3IPV.gif06-Jun-2018 08:29 107K 
[IMG]36MHz-150MHz_Very_Low_PN_LO.gif06-Jun-2018 08:29 46K 
[IMG]3MHz-18MHz_Regen_RX_F5LVG.gif06-Jun-2018 08:29 90K 
[IMG]3MHz-30MHz_25W_Linear_PA_SLAM-0111.gif06-Jun-2018 08:29 72K 
[IMG]3MHz-31MHz_Dip_Meter_I1FLC.gif06-Jun-2018 08:29 91K 
[IMG]4.43MHz_IF_with_AGC_K6DLG.gif06-Jun-2018 08:30 180K 
[IMG]40m,20m_Subharmonic-Mixer_DCR_LA8AK.gif06-Jun-2018 08:30 109K 
[IMG]40m_Ultimate_KISS_TRX_G3RJT.gif06-Jun-2018 08:30 131K 
[IMG]455kHz_BFO_using_Ceramic_Filters.gif06-Jun-2018 08:30 86K 
[IMG]4m-6m_Interference_Reduction_System_G3ZYY.gif06-Jun-2018 08:30 194K 
[IMG]4MHz-4.35MHz_VFO_AGC_G3JIR.gif06-Jun-2018 08:30 63K 
[IMG]4MHz-4.3MHz_MOSFET_Vackar_VFO_K6BSU.gif06-Jun-2018 08:30 94K 
[IMG]50MHz-520MHz_VCO.gif06-Jun-2018 08:30 72K 
[IMG]50MHz-to-HF_RX_Converter_ZL4THO.gif06-Jun-2018 08:30 67K 
[IMG]50MHz_2W_CW_TX_G3ROO.gif06-Jun-2018 08:30 61K 
[IMG]50MHz_Antenna_Tuners_AA3SJ.gif06-Jun-2018 08:30 8.1K 
[IMG]5260MHz_Dual_Mode_Elliptic_BPF.gif06-Jun-2018 08:30 157K 
[IMG]5MHz-11MHz_Starter_RX_W6SAI.gif06-Jun-2018 08:30 41K 
[IMG]7.5MHz-21MHz_VFO_AGC_G3JIR.gif06-Jun-2018 08:30 87K 
[IMG]70MHz_200W_PA_SD1407_G0MRF.gif06-Jun-2018 08:30 84K 
[IMG]70MHz_ATV_Video_Demod_PLL.gif06-Jun-2018 08:30 181K 
[IMG]7MHz_QRP_CW_TX_WA8MCQ.gif06-Jun-2018 08:30 133K 
[IMG]80m-20m_Superhet_RX_G3BWE.gif06-Jun-2018 08:30 171K 
[IMG]80m-20m_Yearling-Beginners_RX_G3YMP.gif06-Jun-2018 08:30 142K 
[IMG]80m-30m_Switch_Mode_CW_TX_G3DXZ.gif06-Jun-2018 08:31 233K 
[IMG]80m_3W_Nipper_TX_G3ROO.gif06-Jun-2018 08:31 78K 
[IMG]80m_DCR_G4TXG.gif06-Jun-2018 08:31 56K 
[IMG]80m_DCR_with_PLL_VK2DOB.gif06-Jun-2018 08:31 171K 
[IMG]80m_Full_QSK_CW_TRX_G4ENA.gif06-Jun-2018 08:31 191K 
[IMG]80m_Newbury_RX_G4BWE.gif06-Jun-2018 08:31 115K 
[IMG]80m_Pineham_RX_G3ROO.gif06-Jun-2018 08:31 62K 
[IMG]80m_Wobbulator_G7IXK.gif06-Jun-2018 08:31 81K 
[IMG]9.3MHz_Low_Distortion_LC_LO_MAX436.gif06-Jun-2018 08:31 72K 
[IMG]900MHz-1800MHz_GaAs_LNA_YT3MV.gif06-Jun-2018 08:31 87K 
[IMG]96MHz_Overtone_Butler_LO.gif06-Jun-2018 08:31 23K 
[IMG]9MHz_Ladder_Crystal_Filter_Theory.gif06-Jun-2018 08:31 101K 
[IMG]9MHz_Ladder_Crystal_Filter_Types.gif06-Jun-2018 08:31 143K 
[IMG]All_Bands_PLL_Synth_G3ROO.gif06-Jun-2018 08:31 219K 
[IMG]Audio_AGC_K1YZW.gif06-Jun-2018 08:31 93K 
[IMG]Audio_Notch_Variable_Depth_G1VCY.gif06-Jun-2018 08:31 71K 
[IMG]Carrier_Operated_T-R_Switch.gif06-Jun-2018 08:31 43K 
[IMG]Converting_mW_dBm_dBW_Chart.gif06-Jun-2018 08:31 29K 
[IMG]Custom_Voice_Compensation_Preamp_G0ACA.gif06-Jun-2018 08:31 40K 
[IMG]dB-Linear_S-meter.gif06-Jun-2018 08:31 153K 
[IMG]Detector_Field_Strength_Meter_N6YC.gif06-Jun-2018 08:31 140K 
[IMG]Dual_Mode_Elliptic_Microstrip_BPF.gif06-Jun-2018 08:31 19K 
[IMG]Enhanced_CW_Stereo_Audio_Filter_LA8AK.gif06-Jun-2018 08:32 30K 
[IMG]Ferret_Audio_Filter_G3YMP.gif06-Jun-2018 08:32 68K 
[IMG]Flexible_Final_Match_G3LKZ.gif06-Jun-2018 08:32 133K 
[IMG]Full_Wave_Envelope_Detector.gif06-Jun-2018 08:32 37K 
[IMG]Full_Wave_Rectifier_G4FHU.gif06-Jun-2018 08:32 126K 
[IMG]HF_1-T-1_RX_G3DXZ.gif06-Jun-2018 08:32 118K 
[IMG]HF_100W_2SK413_PA_G0MRF.gif06-Jun-2018 08:32 201K 
[IMG]HF_140W_Linear_PA_G3TSO.gif06-Jun-2018 08:32 277K 
[IMG]High-IP3_Superhet_RX_OZ5KG.gif06-Jun-2018 08:32 473K 
[IMG]High_Linearity_Kushnik_Mixer.gif06-Jun-2018 08:32 68K 
[IMG]High_Voltage_Ramp_Generator.gif06-Jun-2018 08:32 10K 
[IMG]Inductance_Meter_G4HUV.gif06-Jun-2018 08:32 44K 
[IMG]Lemon_Battery_TX_W7ZOI.gif06-Jun-2018 08:32 308K 
[IMG]Low_Power_Antenna_Tuner_G4SGF.gif06-Jun-2018 08:32 106K 
[IMG]Microwave_Image_Reject_Mixer.gif06-Jun-2018 08:32 37K 
[IMG]Multiband_5W_SSB_PA_G3TDZ.gif06-Jun-2018 08:32 195K 
[IMG]Multiband_Phasing_TRX_G3TDZ.gif06-Jun-2018 08:33 469K 
[IMG]Post-Mixer_High-IP3_Amplifier_G3SBI.gif06-Jun-2018 08:33 137K 
[IMG]Precision_Morse_Keyer_G3BIK.gif06-Jun-2018 08:33 90K 
[IMG]Spark_TX_Crystal_RX_VE2CV.gif06-Jun-2018 08:33 131K 
[IMG]Thunderstorm_Warning_System_F1FBH.gif06-Jun-2018 08:33 127K 
[IMG]Underground_VLF_Communicator_G4AEE.gif06-Jun-2018 08:33 290K 
[IMG]Up_to_10.000Mohm_Conductance_Meter.gif06-Jun-2018 08:33 12K 
[IMG]Variable_IF_Selectivity_Unit_G3ROO.gif06-Jun-2018 08:33 148K 
[IMG]VHF_PLL_MC145151_G3VML.gif06-Jun-2018 08:33 191K 
[IMG]VHF_Varicap_Tuned_LNA_GW0GHF.gif06-Jun-2018 08:33 111K 
[IMG]VLF_Front-End_Converter_G3PVH.gif06-Jun-2018 08:33 40K 
[IMG]Wideband_Marker_Gen_G4RAW.gif06-Jun-2018 08:33 54K 
[IMG]Z-match_for_QRP_PA0CMU.gif06-Jun-2018 08:33 95K 
[IMG]13.8V_23A_MOSFET_PS_KF9GQ.gif23-Jun-2018 12:06 133K 
[IMG]0.8MHz-170MHz_Dip_Meter_G3WPO.gif05-Jul-2018 04:54 92K 
[IMG]1-1_Balun_with_Compensating_Winding.gif05-Jul-2018 04:54 39K 
[IMG]1.5MHz-30MHz_20-1_Transmatch_G3VA.gif05-Jul-2018 04:54 36K 
[IMG]1.6MHz-215MHz_FET_Dip_Meter_G3WPO.gif05-Jul-2018 04:55 152K 
[IMG]1.8MHz-2MHz_Franklin_VFO_VE2IB.gif05-Jul-2018 04:55 30K 
[IMG]1.8MHz-30MHz_100W_PA_2SC2290.gif05-Jul-2018 04:55 79K 
[IMG]1.8MHz_Active_Loop_Antenna_G3OUC.gif05-Jul-2018 04:55 92K 
[IMG]1.8MHz_Harmonic_Mixer_RX_RA3AA.gif05-Jul-2018 04:55 58K 
[IMG]1.8MHz_SSB_QRP_TRX_G3TXQ.gif05-Jul-2018 04:55 274K 
[IMG]10.1MHz_300mW_CW_TX_W1FB.gif05-Jul-2018 04:55 74K 
[IMG]100Hz-2.6kHz_Variable_Notch_Filter_G3VA.gif05-Jul-2018 04:55 74K 
[IMG]100kHz-20MHz_Crystal_LO_VE6RF.gif05-Jul-2018 04:55 120K 
[IMG]10GHz_Template_20dB_Horn.gif05-Jul-2018 04:55 78K 
[IMG]10kHz-30MHz_Active_Antenna_Preamps_G3VA.gif05-Jul-2018 04:55 79K 
[IMG]10MHz_5W_LO_G3VA.gif05-Jul-2018 04:55 30K 
[IMG]1152MHz_Signal_Source_G4DDK.gif05-Jul-2018 04:55 96K 
[IMG]12MHz-23MHz_Variable_Inductance_VFO.gif05-Jul-2018 04:55 107K 
[IMG]144MHz-28MHz_RX_Converter_VK3ABP.gif05-Jul-2018 04:55 126K 
[IMG]144MHz_10W_FET_PA_G6JP.gif05-Jul-2018 04:55 77K 
[IMG]144MHz_Absorption_Wavemeter_G6JP.gif05-Jul-2018 04:55 95K 
[IMG]144MHz_MESFET_LNA_F6CIA.gif05-Jul-2018 04:55 90K 
[IMG]14MHz-145MHz_Bilateral_Mixer_LA8AK.gif05-Jul-2018 04:55 65K 
[IMG]14MHz_High-Stability_VXO_W3MT.gif05-Jul-2018 04:55 69K 
[IMG]182kHz_FET_LO_G2BKO.gif05-Jul-2018 04:55 30K 
[IMG]1kHz-10MHz_Any_Crystal_LO.gif05-Jul-2018 04:55 39K 
[IMG]1MHz-28MHz_1MHz-step_PLL_G3AQY.gif05-Jul-2018 04:55 111K 
[IMG]1MHz-8MHz_AM_RX_TCA440_HB9BBN.gif05-Jul-2018 04:56 67K 
[IMG]2.8MHz-38MHz_Sensitive_Field_Strength_Meter_LA8AK.gif05-Jul-2018 04:56 93K 
[IMG]20m-15m_Null_Receiving_Antenna_G3JWI.gif05-Jul-2018 04:56 234K 
[IMG]20m_2W_CW_TRX_G4BWE.gif05-Jul-2018 04:56 319K 
[IMG]20m_4xMOSFET_RX_W1FB.gif05-Jul-2018 04:56 97K 
[IMG]20m_Direct_Conversion_Receiver_G8TYY.gif05-Jul-2018 04:56 203K 
[IMG]20m_Straight_Regenerative_RX_F9GY.gif05-Jul-2018 04:56 64K 
[IMG]24.9MHz_4W_CW_TX_W1FB.gif05-Jul-2018 04:56 140K 
[IMG]2m_Harmonic-Mixer_RX_UA3AX.gif05-Jul-2018 04:56 50K 
[IMG]2MHz-10MHz_Simple_JFET_Vackar_VFO.gif05-Jul-2018 04:56 29K 
[IMG]3.5MHz_5kHz_Range_VXO_G3VA.gif05-Jul-2018 04:56 48K 
[IMG]3.5MHz_Tunable_Crystal_Filter_G3IPV.gif05-Jul-2018 04:56 66K 
[IMG]360MHz-440MHz_Signal_Source.gif05-Jul-2018 04:56 71K 
[IMG]3MHz-4MHz_Superhet_RX_G3WPO.gif05-Jul-2018 04:56 224K 
[IMG]3MHz-5MHz_CW_4xBJT_TRX_SM6DWO.gif05-Jul-2018 04:56 88K 
[IMG]3xTransistors_Keyer_W5FG.gif05-Jul-2018 04:56 41K 
[IMG]4.43MHz_Various_BW_Ladder_Filters_G2DXK.gif05-Jul-2018 04:56 87K 
[IMG]40V-2A_PS_G3DXZ.gif05-Jul-2018 04:56 71K 
[IMG]432MHz_MESFET_LNA_JA6CZD.gif05-Jul-2018 04:56 64K 
[IMG]50MHz-28MHz_TRV_GW3XYW.gif05-Jul-2018 04:56 170K 
[IMG]50MHz_100W_BLW96_PA_G3WZT.gif05-Jul-2018 04:57 86K 
[IMG]50MHz_1W_LO_G3VA.gif05-Jul-2018 04:57 25K 
[IMG]50ohms-to-100ohms_Stub_Matching.gif05-Jul-2018 04:57 18K 
[IMG]5MHz-5.5MHz_Enable_VFO_G4UAZ.gif05-Jul-2018 04:57 45K 
[IMG]5MHz-5.5MHz_Stable_VFO_G4UAZ.gif05-Jul-2018 04:57 71K 
[IMG]5MHz_Variable_BW_Ladder_Filter_UP2NV.gif05-Jul-2018 04:57 49K 
[IMG]70MHz_10W_Linear_PA_G3VA.gif05-Jul-2018 04:57 95K 
[IMG]80m,20m_Regenerative_Blooper_RX_GI3XZM.gif05-Jul-2018 04:57 101K 
[IMG]96MHz_Low_Noise_X-tal_LO_G3SEK.gif05-Jul-2018 04:57 72K 
[IMG]Active_Filter_Tone_Decoder_GM4BWT.gif05-Jul-2018 04:57 77K 
[IMG]All_Bands_HF_Preamplifier_with_AGC_G2DXK.gif05-Jul-2018 04:57 105K 
[IMG]Any_Fundamental_and_Overtone_Crystal_LO_W6HPH.gif05-Jul-2018 04:57 190K 
[IMG]Audio_Amp_50dB_AGC_range.gif05-Jul-2018 04:57 57K 
[IMG]Audio_Level_Meter_G3SEK.gif05-Jul-2018 04:57 78K 
[IMG]Audio_Speech_Processor_G3YWX.gif05-Jul-2018 04:57 74K 
[IMG]Audio_SWR_Meter_G4JOU.gif05-Jul-2018 04:57 195K 
[IMG]Australian_Z-Match.gif05-Jul-2018 04:57 66K 
[IMG]Capacitance-Inductance_Meter_G3ONL.gif05-Jul-2018 04:57 58K 
[IMG]CMOS_Keyer_G4VUX.gif05-Jul-2018 04:57 102K 
[IMG]Digital_Power_SWR_Meter_G3WPO.gif05-Jul-2018 04:57 409K 
[IMG]Electronicaly_Variable_Inductor.gif05-Jul-2018 04:58 152K 
[IMG]Front-End_Converter_for_DCR_G3VA.gif05-Jul-2018 04:58 35K 
[IMG]FT7B_Mod_Improvement_G3JQQ.gif05-Jul-2018 04:58 173K 
[IMG]General_Purpose_ATU_G3TSO.gif05-Jul-2018 04:58 259K 
[IMG]Gunn_Diode_PSU_Modulator_G4KNZ.gif05-Jul-2018 04:58 67K 
[IMG]HF_1W_CW_TX_GM3OXX.gif05-Jul-2018 04:58 36K 
[IMG]HF_2W_CW_TRX_GM3OXX.gif05-Jul-2018 04:58 136K 
[IMG]HF_80W_Linear_PA_G3BAC.gif05-Jul-2018 04:58 258K 
[IMG]HF_Full-QSK_CW_TX_G3DXZ.gif05-Jul-2018 04:58 76K 
[IMG]HF_JFET_Vackar_VFO_G2DXK.gif05-Jul-2018 04:58 75K 
[IMG]HF_Loop_Active_Antenna_G4UAZ.gif05-Jul-2018 04:58 56K 
[IMG]Improved_Z-Match_ATU_G5RV.gif05-Jul-2018 04:58 73K 
[IMG]JFET_Balanced_Mixer-Demod_RA3AAE.gif05-Jul-2018 04:58 33K 
[IMG]L-Match_Configurations.gif05-Jul-2018 04:58 22K 
[IMG]L-meter_W6HPH.gif05-Jul-2018 04:58 191K 
[IMG]Ladder_Filter_with_Variable_BW.gif05-Jul-2018 04:58 32K 
[IMG]Low_Noise_Harmonic_Suppression_X-tal_LO.gif05-Jul-2018 04:58 34K 
[IMG]Meteror-Scatter_Audio_Upconverter_LA8AK.gif05-Jul-2018 04:58 89K 
[IMG]Method_of_uWave_Freq_Measurement_G8KIS.gif05-Jul-2018 04:58 382K 
[IMG]MW_Loop_Preamplifier_GI2FHN.gif05-Jul-2018 04:58 32K 
[IMG]Oscar_29MHz_DCR.gif05-Jul-2018 04:59 101K 
[IMG]Overtone_Crystal_LOs_G8ZDU.gif05-Jul-2018 04:59 90K 
[IMG]Passive_CW_Filter_W3NQN.gif05-Jul-2018 04:59 201K 
[IMG]Reactance_Tuning_VFO_W1FB.gif05-Jul-2018 04:59 47K 
[IMG]Resonance_Capacimeter_G3HGM.gif05-Jul-2018 04:59 155K 
[IMG]Sampling_FM_Monitor_G4COL.gif05-Jul-2018 04:59 128K 
[IMG]Sun-Powered_TX_G3MHO.gif05-Jul-2018 04:59 40K 
[IMG]Tuned_Drain_MOS_LO.gif05-Jul-2018 04:59 16K 
[IMG]Universal_Interference_Suppressor.gif05-Jul-2018 04:59 28K 
[IMG]Variable_BW_BPF_Single_X-tal_DL9LX.gif05-Jul-2018 04:59 53K 
[IMG]WARC_Bands_RX_Converter_LA8AK.gif05-Jul-2018 04:59 91K 
[IMG]Wide-Range_Capacimeter_F6DQM.gif05-Jul-2018 04:59 77K 
[IMG]0-400MHz_Spectrum_Analyzer_GW3IVK.gif21-Aug-2018 04:27 181K 
[IMG]1.3GHz-to-144MHz_TRV_GM4PLM.gif21-Aug-2018 04:27 26K 
[IMG]1.3GHz_Switchable_LNA_G4DDK.gif21-Aug-2018 04:27 17K 
[IMG]1.5MHz-50MHz_30W_RD16HHF1_PA_EI9GQ.gif21-Aug-2018 04:27 49K 
[IMG]1.8MHz-1.85MHz_VXO_VK6APH.gif21-Aug-2018 04:27 19K 
[IMG]1.8MHz-10.1MHz_6W_IRF510_PA_VK2XU.gif21-Aug-2018 04:27 203K 
[IMG]1.8MHz-60MHz_RX_Preamp_G4COL.gif21-Aug-2018 04:27 20K 
[IMG]1.8MHz_ATU_for_Doublet_Ant_G3UUR.gif21-Aug-2018 04:27 15K 
[IMG]1.8MHz_Binaural_RX_VK6APH.gif21-Aug-2018 04:27 77K 
[IMG]1.8MHz_Cohn_Filter_VK6APH.gif21-Aug-2018 04:27 16K 
[IMG]1.9MHz_10W_MOSFET_PA_G4JNT.gif21-Aug-2018 04:27 16K 
[IMG]10.7MHz_2%_VXO_G3DXZ.gif21-Aug-2018 04:27 32K 
[IMG]10.7MHz_Polyphase_SSB_Mod_G3PLX.gif21-Aug-2018 04:27 45K 
[IMG]100kHz-150MHz_Wheatstone_Impedance_Bridge.gif21-Aug-2018 04:27 172K 
[IMG]100kHz-500MHz_Sensistive_Field_Detector.gif21-Aug-2018 04:27 13K 
[IMG]100W_Z-Match_ATU_AD5X.gif21-Aug-2018 04:27 18K 
[IMG]10GHz_FM_ATV_Modulator.gif21-Aug-2018 04:27 160K 
[IMG]10GHz_Sensistive_RF_Detector_GW3XYW.gif21-Aug-2018 04:27 18K 
[IMG]10m_20W_FM_TX_G4JQT.gif21-Aug-2018 04:27 72K 
[IMG]10MHz-30MHz_CMOS_Tripler.gif21-Aug-2018 04:27 11K 
[IMG]10MHz_12kHz-Range_VXO_G4COL.gif21-Aug-2018 04:28 15K 
[IMG]10MHz_Clean_Output_Beacon.gif21-Aug-2018 04:28 161K 
[IMG]10MHz_Low_Noise_LO_K7HFD.gif21-Aug-2018 04:28 8.7K 
[IMG]10MHz_SSB_RX-TX_Module_G4GXO.gif21-Aug-2018 04:28 92K 
[IMG]12MHz_Extremely_Low_Noise_LO_LA8AK.gif21-Aug-2018 04:28 12K 
[IMG]12V_Automatic_Battery_Charger.gif21-Aug-2018 04:28 71K 
[IMG]13.8V-25A_Rugged_PS_OZ1XB.gif21-Aug-2018 04:28 36K 
[IMG]13.8V_20A_PS_FC1JEK.gif21-Aug-2018 04:28 58K 
[IMG]136kHz_300W_TX_G0MRF.gif21-Aug-2018 04:28 167K 
[IMG]136kHz_Active_Loop_Antenna_G3BIK.gif21-Aug-2018 04:28 45K 
[IMG]136kHz_RX_Loop_Preamp_LA8AK.gif21-Aug-2018 04:28 13K 
[IMG]136kHz_RX_Loop_Preamp_M0BMU.gif21-Aug-2018 04:28 18K 
[IMG]137kHz_Signal_Conditioning_G4JNT.gif21-Aug-2018 04:28 22K 
[IMG]14.475MHz_VCXO_G4COL.gif21-Aug-2018 04:28 29K 
[IMG]144MHz-28MHz_RX_Converter_G4DDK.gif21-Aug-2018 04:28 35K 
[IMG]144MHz_100W_MRF174_PA_F6ETI.gif21-Aug-2018 04:28 42K 
[IMG]144MHz_75W_PA_G3WZT.gif21-Aug-2018 04:28 53K 
[IMG]144MHz_Direct_Upconvertion_G4DDK.gif21-Aug-2018 04:28 21K 
[IMG]144MHz_NBFM_Superregen_RX_N1TEV.gif21-Aug-2018 04:28 13K 
[IMG]144MHz_SDR_IQ-out_G4JNT.gif21-Aug-2018 04:28 42K 
[IMG]15kHz-30kHz_Electronic_Tuning_LO.gif21-Aug-2018 04:28 14K 
[IMG]18MHz_20W_CW_MOSFET_PA_G4COL.gif21-Aug-2018 04:28 26K 
[IMG]18MHz_25kHz-range_VXO_G4COL.gif21-Aug-2018 04:28 11K 
[IMG]18MHz_5W_CW_PA_G4COL.gif21-Aug-2018 04:28 59K 
[IMG]1MHz-30MHz_25dB_Flat_Gain_Amp_EI9GQ.gif21-Aug-2018 04:28 16K 
[IMG]1MHz-90MHz_Spectrum_Analyzer_G4PMK.gif21-Aug-2018 04:28 335K 
[IMG]2.5MHz-25MHz_VCO_74HC123.gif21-Aug-2018 04:28 46K 
[IMG]20m_CW_TRX_G3OGQ.gif21-Aug-2018 04:29 317K 
[IMG]20MHz-3200MHz_LO_CFY30.gif21-Aug-2018 04:29 20K 
[IMG]24V-to-240V-250W-50Hz_Pseudo-Sine_Inverter.gif21-Aug-2018 04:29 156K 
[IMG]28MHz_DCR_W6VEH.gif21-Aug-2018 04:29 100K 
[IMG]2m_Backpack_Portable_Yagi.gif21-Aug-2018 04:29 27K 
[IMG]2xCV_VXO_W1FB.gif21-Aug-2018 04:29 7.4K 
[IMG]2xFET_Audio_BPF_ZL2APC.gif21-Aug-2018 04:29 41K 
[IMG]3.58MHz_FSK_Modulator_G4JNT.gif21-Aug-2018 04:29 15K 
[IMG]3.5MHz-28MHz_ATU_PA0FRI.gif21-Aug-2018 04:29 73K 
[IMG]3.5MHz-28MHz_TX-Monitor_RX_VK3XU.gif21-Aug-2018 04:29 21K 
[IMG]3.5MHz_AM-CW_TX_ZS6AZP.gif21-Aug-2018 04:29 32K 
[IMG]3.5MHz_Stable_FET_PA_G3IPV.gif21-Aug-2018 04:29 59K 
[IMG]30MHz-300MHz_IQ_Upconverter_G4JNT.gif21-Aug-2018 04:29 28K 
[IMG]3MHz-450MHz_30kHz_Deviation_Meter_G3BIK.gif21-Aug-2018 04:29 238K 
[IMG]3xCascode_IF_Amp_AGC_EI9GQ.gif21-Aug-2018 04:29 31K 
[IMG]4.43MHz_SSB_Modulator_G7FJC.gif21-Aug-2018 04:29 30K 
[IMG]4.43MHz_Variable_BW_Ladder_Filter_G4DTC.gif21-Aug-2018 04:29 24K 
[IMG]400kHz-150MHz_Dip_Meter_N1AL.gif21-Aug-2018 04:29 31K 
[IMG]400kHz-500kHz_Slow-Scan_Wobbulator_G3GKG.gif21-Aug-2018 04:29 38K 
[IMG]40m-80m_5W_PA_MRF475_G3VA.gif21-Aug-2018 04:29 101K 
[IMG]432MHz_Hellical_VCO_G4JNT.gif21-Aug-2018 04:29 17K 
[IMG]455kHz_4-Pole_Ladder_Filter_G3JIR.gif21-Aug-2018 04:29 30K 
[IMG]455kHz_Ceramic_Filter_BFO_G8SEQ.gif21-Aug-2018 04:29 8.9K 
[IMG]455kHz_SSB_Ceramic_Filter_G3WOA.gif21-Aug-2018 04:29 16K 
[IMG]464kHz_Variable_BW_Filter_DJ6EV.gif21-Aug-2018 04:29 15K 
[IMG]5.2MHz-5.4MHz_Hartley_VFO_G3TXQ.gif21-Aug-2018 04:29 58K 
[IMG]50MHz-2500MHz_IQ_Upconverter_G4JNT.gif21-Aug-2018 04:29 24K 
[IMG]50MHz_16W_IRF610_PA_PA0KSB.gif21-Aug-2018 04:29 14K 
[IMG]50MHz_25W_VMOSFET_PA_DJ9FG.gif21-Aug-2018 04:29 26K 
[IMG]50MHz_50W_VMOSFET_PA_DJ9FG.gif21-Aug-2018 04:29 31K 
[IMG]50MHz_to_28MHz_RX_Converter_PA0WFO.gif21-Aug-2018 04:29 44K 
[IMG]50ohm-to-12.5ohm_Matching_Transformer_G3TSO.gif21-Aug-2018 04:29 72K 
[IMG]50V_14A_PS_G3WOS.gif21-Aug-2018 04:29 44K 
[IMG]5MHz_25W_MRF137_PA_GB3RAL.gif21-Aug-2018 04:29 20K 
[IMG]5MHz_Low_Phase_Noise_VFO_G3USC.gif21-Aug-2018 04:29 30K 
[IMG]70MHz_50W_PA_for_Handhelds_GI0GDP.gif21-Aug-2018 04:30 60K 
[IMG]70MHz_Kallitron_LO_G8SEQ.gif21-Aug-2018 04:30 52K 
[IMG]75MHz-105MHz_Hellical_VCO_W4ZCB.gif21-Aug-2018 04:30 14K 
[IMG]7MHz_50W_MOSFET_TX_G8PDW.gif21-Aug-2018 04:30 209K 
[IMG]AD8348_IQ_Direct_Downconverter.gif21-Aug-2018 04:30 38K 
[IMG]AF_AGC_and_S-meter_EI9GQ.gif21-Aug-2018 04:30 13K 
[IMG]AGC_for_DCR_Z21FO.gif21-Aug-2018 04:30 13K 
[IMG]Analog_Power_Meter_G3GRO.gif21-Aug-2018 04:30 22K 
[IMG]Audio_S-Meter_G3DXZ.gif21-Aug-2018 04:30 15K 
[IMG]Balanced_Tunable_Active_Antenna_G3NOQ.gif21-Aug-2018 04:30 21K 
[IMG]Bargraph_VSWR_Power_Meter_G3TXQ.gif21-Aug-2018 04:30 99K 
[IMG]CDG2000_RX_G3SBI.gif21-Aug-2018 04:30 120K 
[IMG]Ceramic_Filter_LO_LA8AK.gif21-Aug-2018 04:30 45K 
[IMG]Combined_Mixer_Converter.gif21-Aug-2018 04:30 85K 
[IMG]Constant_Reactance_VCO_G3JIR.gif21-Aug-2018 04:30 25K 
[IMG]Crystal_Frequency_Doubler_74HC04.gif21-Aug-2018 04:30 24K 
[IMG]Crystal_Set_Receivers.gif21-Aug-2018 04:30 13K 
[IMG]DDS_Inside_PLL_EI9GQ.gif21-Aug-2018 04:30 68K 
[IMG]DDS_LPF_and_Amplifier_EI9GQ.gif21-Aug-2018 04:30 21K 
[IMG]Direct_Upconversion_SSB_IQ_Modulator_G4JNT.gif21-Aug-2018 04:30 29K 
[IMG]Dynamic-Mic_to_PC_Preamp_G3SEK.gif21-Aug-2018 04:30 13K 
[IMG]Effective_Way_to_Switch_SSB_Filter_EI9GQ.gif21-Aug-2018 04:30 9.4K 
[IMG]Electrical_Noise_Detector_G4RAW.gif21-Aug-2018 04:30 12K 
[IMG]Emitter_Coupled_Multivibrator_LO.gif21-Aug-2018 04:30 8.6K 
[IMG]Franklin_VFO_VE3RF.gif21-Aug-2018 04:30 6.8K 
[IMG]Frequency_Locking_for_mW_TRV_G4JNT.gif21-Aug-2018 04:30 62K 
[IMG]FST3125_Band_Switches_I7SWX.gif21-Aug-2018 04:30 38K 
[IMG]Fully_Isolated_Computer_Interface.gif21-Aug-2018 04:30 38K 
[IMG]GPS_Disciplined_LO_YO4HFU.gif21-Aug-2018 04:30 54K 
[IMG]H-mode_DB_Modulator_VK6JDM.gif21-Aug-2018 04:30 17K 
[IMG]H-mode_Image_Reject_Mixer-Demod_I7SWX.gif21-Aug-2018 04:30 28K 
[IMG]HF_12W_Neg_Feedback_PA_W1FB.gif21-Aug-2018 04:30 180K 
[IMG]HF_15W_Broadband_PA_G4JNT.gif21-Aug-2018 04:30 19K 
[IMG]HF_1W_Broadband_PA.gif21-Aug-2018 04:30 13K 
[IMG]HF_400W_SD2931_PA.gif21-Aug-2018 04:30 30K 
[IMG]HF_Active_Antenna_J310_G0FUW.gif21-Aug-2018 04:31 11K 
[IMG]HF_High-IP3_LNA_2N5109.gif21-Aug-2018 04:31 80K 
[IMG]HF_LNA_PA-Driver_G3TXQ.gif21-Aug-2018 04:31 117K 
[IMG]HF_NE602_RX_N1BQT.gif21-Aug-2018 04:31 66K 
[IMG]High_Gain_Audio_Preamp.gif21-Aug-2018 04:31 7.7K 
[IMG]How_to_use_a_Dip-Meter_G3YWX.gif21-Aug-2018 04:31 31K 
[IMG]IF_AGC_with_S-meter.gif21-Aug-2018 04:31 49K 
[IMG]Intelligent_ATU_G3XJP.gif21-Aug-2018 04:31 129K 
[IMG]Interface_for_Handheld_Radios_G4KQU.gif21-Aug-2018 04:31 12K 
[IMG]IR_FM_TX_G8GYV.gif21-Aug-2018 04:31 60K 
[IMG]LF_181kHz_100W_PA_ZL4OL.gif21-Aug-2018 04:31 28K 
[IMG]LM317_Applications_for_GaAs_FET.gif21-Aug-2018 04:31 30K 
[IMG]LO_Buffer_Amplifier.gif21-Aug-2018 04:31 14K 
[IMG]Low-Noise_JFET_Tank_LOs_G3SBI.gif21-Aug-2018 04:31 20K 
[IMG]Low-Z_to_High-Z_Mic_Preamp_ZS1J.gif21-Aug-2018 04:31 24K 
[IMG]Low_Cost_FST3125_Mixer_G8IBR.gif21-Aug-2018 04:31 9.7K 
[IMG]Lowe_X1_Dip_Meter.gif21-Aug-2018 04:31 72K 
[IMG]Modified_Diode_Ring_Mixer_G3UUR.gif21-Aug-2018 04:31 33K 
[IMG]No-Transformers_Simple_Interface.gif21-Aug-2018 04:31 14K 
[IMG]Noise_Bridge_Impedance_Meter_G3ZOM.gif21-Aug-2018 04:31 22K 
[IMG]Passive_Freq_Multipliers_G3PVH.gif21-Aug-2018 04:31 51K 
[IMG]Pocket_VHF-FM_RX_G3VA.gif21-Aug-2018 04:31 59K 
[IMG]Polyphase_SSB_Modulator_G3PLX.gif21-Aug-2018 04:31 28K 
[IMG]Power_Supply_Noise_Reduction_Wenzel.gif21-Aug-2018 04:31 7.2K 
[IMG]Pseudo_Noise_Generator_G4JNT.gif21-Aug-2018 04:31 46K 
[IMG]QRP_ATU_Binary_Switch.gif21-Aug-2018 04:31 32K 
[IMG]QRP_ATU_with_Parallel_Inductors_W1FB.gif21-Aug-2018 04:31 66K 
[IMG]QRP_SWR-Power_Meter_ND6T.gif21-Aug-2018 04:31 29K 
[IMG]Reactance_Compensated_LO_W3WI.gif21-Aug-2018 04:31 24K 
[IMG]RF_Variable_Crystal_BPF_G3IPV.gif21-Aug-2018 04:31 143K 
[IMG]RX-TX_Protection_Diagram.gif21-Aug-2018 04:31 85K 
[IMG]Series_X-tal_VXO_G4COL.gif21-Aug-2018 04:31 8.0K 
[IMG]Single_Ended_Balanced_Modulator_G3PVH.gif21-Aug-2018 04:31 46K 
[IMG]Sonic_Wattmeter_G3GKG.gif21-Aug-2018 04:31 45K 
[IMG]Source_Follower_with_Gain_VE6LI.gif21-Aug-2018 04:32 99K 
[IMG]SSB-CW_RF_Monitor.gif21-Aug-2018 04:32 37K 
[IMG]SSB_via_Light_TRV_G8CYW.gif21-Aug-2018 04:32 56K 
[IMG]Stay-Put_Freq_Stabilizer_G3DXZ.gif21-Aug-2018 04:32 23K 
[IMG]Tayloe_Polyphase_Mixer_G0BBL.gif21-Aug-2018 04:32 25K 
[IMG]The_Effect_of_Feeder_Attenuation_on_VSWR.gif21-Aug-2018 04:32 201K 
[IMG]Transformerless_Doubly_Balanced_Mod(mix)_W6HPH.gif21-Aug-2018 04:32 95K 
[IMG]Trusk_Series-Shunt_Feedback_Mixer.gif21-Aug-2018 04:32 14K 
[IMG]Two-Tone_Two-Phase_Generator.gif21-Aug-2018 04:32 93K 
[IMG]Ultra_Narrowband_Xtal_Filter_GW4HBZ.gif21-Aug-2018 04:32 13K 
[IMG]Unbalanced_to_Balanced_ATU_AG6K.gif21-Aug-2018 04:32 22K 
[IMG]Unbalanced_to_Balanced_PI_ATU_G3VA.gif21-Aug-2018 04:32 21K 
[IMG]Various_Folded_Dipoles_Impedances.gif21-Aug-2018 04:32 8.4K 
[IMG]VHF_Modulated_Signal_Source_F3LG.gif21-Aug-2018 04:32 63K 
[IMG]VHF_Superregen_RX_G4DTC.gif21-Aug-2018 04:32 21K 
[IMG]VLF_Electro-mechanical_RX_M0BMU.gif21-Aug-2018 04:32 17K 
[IMG]VLF_RX_Solar_Flares_W2AXU.gif21-Aug-2018 04:32 106K 
[IMG]VLF_Trafalgar_RX_EI3CY.gif21-Aug-2018 04:32 58K 
[IMG]144MHz_GaAs_LNA.gif21-Aug-2018 04:38 8.4K 
[IMG]144MHz_GaAs_LNA_ATF10136.gif21-Aug-2018 04:38 15K 
[IMG]1.8MHz-50MHz_50W_MRF148_PA_DJ1MR.gif09-Dec-2018 15:30 164K 
[IMG]100MHz_OCXO_DM2DSN.gif09-Dec-2018 15:30 179K 
[IMG]144MHz-28MHz_MiniTRV_DJ8ES.gif09-Dec-2018 15:30 224K 
[IMG]144MHz_10W_PA_VB-2300.gif09-Dec-2018 15:30 88K 
[IMG]144MHz_25W_PA_VB-2530.gif09-Dec-2018 15:30 148K 
[IMG]144MHz_VFX_TR-7200.gif09-Dec-2018 15:30 175K 
[IMG]16MHz-80MHz_Overtone_X-tal_LO.gif09-Dec-2018 15:30 21K 
[IMG]1MHz-40MHz_JFET_AGC_LNA_DC4KU.gif09-Dec-2018 15:30 128K 
[IMG]2-to-4096_Prescaler_CD4040.gif09-Dec-2018 15:30 17K 
[IMG]20m_Bare-Bones_Superhet_RX_W1FB.gif09-Dec-2018 15:30 64K 
[IMG]27MHz_CB_mini-RX.gif09-Dec-2018 15:30 75K 
[IMG]28.060MHz_5W_CW_TX_DK6SX.gif09-Dec-2018 15:31 144K 
[IMG]2m_1W_FM_DRA818_TRX_DO6GM.gif09-Dec-2018 15:31 110K 
[IMG]2MHz-to-200MHz_Dip_Meter_IW0CZP.gif09-Dec-2018 15:31 155K 
[IMG]2pF-2uF_Capacimeter.gif09-Dec-2018 15:31 73K 
[IMG]30kHz-30MHz_LNA_HB9KOC.gif09-Dec-2018 15:31 140K 
[IMG]30m-40m_CW_TRX_NN1G.gif09-Dec-2018 15:31 70K 
[IMG]30m_Mini-Miser_Superhet_RX_KC1V.gif09-Dec-2018 15:31 59K 
[IMG]40.525MHz_JFET_LNA_DC4KU.gif09-Dec-2018 15:31 43K 
[IMG]40m_1W_CW_TX_2N2222A_KC1V.gif09-Dec-2018 15:31 26K 
[IMG]40m_6W_VXO_CW_TRX_DC0DA.gif09-Dec-2018 15:31 221K 
[IMG]494kHz_BFO_Metal_Detector.gif09-Dec-2018 15:31 76K 
[IMG]5.5MHz-6MHz_VFO_TS-240.gif09-Dec-2018 15:31 156K 
[IMG]50MHz_10W_SSB_PA_WB2TMB.gif09-Dec-2018 15:31 26K 
[IMG]50MHz_25W_CW_PA_KC1V.gif09-Dec-2018 15:31 40K 
[IMG]5MHz-5.5MHz_VFO_TS-820.gif09-Dec-2018 15:31 285K 
[IMG]6MHz-15MHz_AM_Superregen_RX.gif09-Dec-2018 15:31 80K 
[IMG]80m,40m,20m_1W_VXO_TRX_SV1ONW.gif09-Dec-2018 15:31 563K 
[IMG]80MHz-140MHz_Overtone_X-tal_LO.gif09-Dec-2018 15:32 23K 
[IMG]AF-RF_Signal_Injector_KC1V.gif09-Dec-2018 15:32 19K 
[IMG]AGC_IF_Amp_KA2WEU.gif09-Dec-2018 15:32 43K 
[IMG]Antenna_Tuner_Yaesu_FC-707.gif09-Dec-2018 15:32 114K 
[IMG]ATU_for_Vee_Center-Fed_LW_Rhombic_Ant.gif09-Dec-2018 15:32 77K 
[IMG]Avionics_Band_Superregen_RX.gif09-Dec-2018 15:32 79K 
[IMG]CW_Filter_with_Enhancer_N3AXN.gif09-Dec-2018 15:32 52K 
[IMG]CW_Key-Click_Filter_LA8AK.gif09-Dec-2018 15:32 13K 
[IMG]Eight_Simple_Reflex_RX.gif09-Dec-2018 15:32 84K 
[IMG]HF_100W_PA_MRF255_FT-920.gif09-Dec-2018 15:32 126K 
[IMG]HF_1kW_VRF3933_PA_DJ1MR.gif09-Dec-2018 15:32 235K 
[IMG]HF_Grounded_Dual-Gate_LNA_W1FB.gif09-Dec-2018 15:32 10K 
[IMG]HF_Loop_Ant_LNA_DK6ED.gif09-Dec-2018 15:32 116K 
[IMG]High-IP3_L-Compensated_Mixer.gif09-Dec-2018 15:32 7.1K 
[IMG]High_Impedance_Voltmeter_KC1V.gif09-Dec-2018 15:32 86K 
[IMG]JFET_Ground_Gate_Noise_Canceller_DK6ED.gif09-Dec-2018 15:32 54K 
[IMG]Low_Noise_SC-cut_X-tal_LO_Driscoll.gif09-Dec-2018 15:32 78K 
[IMG]Magnetometer_Teslameter.gif09-Dec-2018 15:32 241K 
[IMG]Medium-Wave_AM_RX_BC549C.gif09-Dec-2018 15:32 68K 
[IMG]Metal_Detector_Supplied_at_18V.gif09-Dec-2018 15:32 88K 
[IMG]Mike_8-Band_Equalizer_W2IHY.gif09-Dec-2018 15:32 117K 
[IMG]Omega-T_Antenna_Noise_Bridge.gif09-Dec-2018 15:32 126K 
[IMG]Power_Flow_Meter_DJ4GC.gif09-Dec-2018 15:33 290K 
[IMG]SHF_GPS_Locked_Signal_Source_F5CAU.gif09-Dec-2018 15:33 194K 
[IMG]Simple_CW_Keyer_KI5AZ.gif09-Dec-2018 15:33 15K 
[IMG]Test_Set_X-tals_for_Filters_W7ZOI.gif09-Dec-2018 15:33 18K 
[IMG]Two_Phased_Vert_Antenna_Patterns.gif09-Dec-2018 15:33 150K 
[IMG]Types_of_Printed_Transmission_Lines.gif09-Dec-2018 15:33 116K 
[IMG]Various_Noise_Canceller_Circuits_DK6ED.gif09-Dec-2018 15:33 114K 
[IMG]VHF_300W_PA_IDM175CW300.gif09-Dec-2018 15:33 84K 
[IMG]1.8MHz-30MHz_5W_PA_W8DIZ.gif19-Oct-2019 14:58 69K 
[IMG]10A_Active_Resistive _Load.gif19-Oct-2019 14:58 25K 
[IMG]2.4GHz_ATV_Downconverter_IK8UIF.gif19-Oct-2019 14:58 93K 
[IMG]2.5V_Low-Current_Audio_PA.gif19-Oct-2019 14:58 61K 
[IMG]200nsec_Gen.gif19-Oct-2019 14:58 31K 
[IMG]20m_Superhet_2xNE612_RX.gif19-Oct-2019 14:58 166K 
[IMG]23cm_LNA_PGA-103_DL2EWN.gif19-Oct-2019 14:58 74K 
[IMG]25MHz-to-75MHz_Multiplier.gif19-Oct-2019 14:58 35K 
[IMG]27MHz_4xBJT_Walkie-Talkie.gif19-Oct-2019 14:58 36K 
[IMG]27MHz_RC_Modified_RX.gif19-Oct-2019 14:58 48K 
[IMG]27MHz_RC_Multichannel_TX.gif19-Oct-2019 14:58 36K 
[IMG]2m-70cm_LNA_SPF5122z_UR7IJM.gif19-Oct-2019 14:58 29K 
[IMG]2m_80W_PA_S-AV36.gif19-Oct-2019 14:58 116K 
[IMG]3-30MHz_30W_IRF530_PA_PA0FRI.gif19-Oct-2019 14:58 31K 
[IMG]3MHz-30MHz_45W_LPF_YT2FSG.gif19-Oct-2019 14:58 67K 
[IMG]3MHz-30MHz_45W_SSB_PA_IRF530_YT2FSG.gif19-Oct-2019 14:58 57K 
[IMG]40m_10W_IRF530_PA_KN-Q7A.gif19-Oct-2019 14:58 60K 
[IMG]40m_FT8_TRX_BD6CR.gif19-Oct-2019 14:58 62K 
[IMG]5.7GHz_ATV_Downconverter_IK8UIF.gif19-Oct-2019 14:58 24K 
[IMG]500kHz_Mechanical_Filter_IF.gif19-Oct-2019 14:58 117K 
[IMG]5MHz-10MHz_WWV_RX_WD8DSB.gif19-Oct-2019 14:59 402K 
[IMG]7.1MHz_Notch_Filter_200Hz-BW_OE3HKL.gif19-Oct-2019 14:59 99K 
[IMG]70MHz_10W_PA_SD1143.gif19-Oct-2019 14:59 61K 
[IMG]8.5GHz_Antenna_with_Integrated_LO.gif19-Oct-2019 14:59 29K 
[IMG]8.9964MHz_Notch_Filter_DC4KU.gif19-Oct-2019 14:59 190K 
[IMG]800-1700MHz_to_200MHz_RX_Converter.gif19-Oct-2019 14:59 128K 
[IMG]80m_5W_CW_Mini80_TRX_DC0DA.gif19-Oct-2019 14:59 371K 
[IMG]80m_ARDF_RX_PJ-80.gif19-Oct-2019 14:59 421K 
[IMG]9GHz-39GHz_Self-Oscillating_VCO-Mixer.gif19-Oct-2019 14:59 68K 
[IMG]Active_Bias_for_RF_BJT.gif19-Oct-2019 14:59 195K 
[IMG]Active_Frequency_Multipliers.gif19-Oct-2019 14:59 94K 
[IMG]AM_Ge_Little-Star_RX.gif19-Oct-2019 14:59 119K 
[IMG]Buxcomm_CAT_Interface.gif19-Oct-2019 14:59 59K 
[IMG]Ch-19_AM_RX_TCA440.gif19-Oct-2019 14:59 67K 
[IMG]Coaxial_Cable_Balun.gif19-Oct-2019 14:59 61K 
[IMG]CW_Waveshaping_Keying_Circuit.gif19-Oct-2019 14:59 97K 
[IMG]DigiMode_Interface_GM4KGK.gif19-Oct-2019 14:59 20K 
[IMG]FT-857-897-817_CAT_Interface.gif19-Oct-2019 15:00 151K 
[IMG]HF_SSB6.1_TRX_YT2FSG.gif19-Oct-2019 15:00 320K 
[IMG]HF_Universal_SSB_RX_W8DIZ.gif19-Oct-2019 15:00 68K 
[IMG]Mic_Preamp_with_Tone_Control_W1FB.gif19-Oct-2019 15:00 78K 
[IMG]Mic_Preamp_with_Treble_Peaking_Stage.gif19-Oct-2019 15:00 119K 
[IMG]Moisture_Meter.gif19-Oct-2019 15:00 51K 
[IMG]Ohm's_Law_Wheel.gif19-Oct-2019 15:00 35K 
[IMG]QRP_PIN_diode_TR_Switch.gif19-Oct-2019 15:00 90K 
[IMG]Short-Wave_AM_RX_TDA1572.gif19-Oct-2019 15:00 60K 
[IMG]Specialized_Frequency_Multipliers.gif19-Oct-2019 15:00 26K 
[IMG]TX-RX_control_and_side_tone_generator.gif19-Oct-2019 15:00 77K 
[IMG]USB_CAT_PSK_Interface_YT2FSG.gif19-Oct-2019 15:00 65K 
[IMG]Voltage_Mirror_Buck-Boost_PS.gif19-Oct-2019 15:00 127K 
[IMG]WWV-CHU_RX_TCA440.gif19-Oct-2019 15:00 74K 
[IMG]27MHz_RadioControl_Receiver.gif19-Oct-2019 15:10 36K 
[IMG]27MHz_RadioControl_RX-TX.gif19-Oct-2019 15:10 70K 
[IMG]27MHz_RC_Receiver.gif19-Oct-2019 15:10 27K 
[IMG]27MHz_RC_RX-TX.gif19-Oct-2019 15:10 16K 
[IMG]0-3GHz_Noise_Source.gif05-Apr-2020 07:25 35K 
[IMG]0.1GHz-2.5GHz_Power_Detector_AD8313.gif05-Apr-2020 07:25 97K 
[IMG]1.5MHz-50MHz_100W_SD1446_PA_OE2KHM.gif05-Apr-2020 07:26 729K 
[IMG]1.8MHz-30MHz_10W_2xIRF510_G0UPL.gif05-Apr-2020 07:26 35K 
[IMG]1.8MHz-30MHz_10W_RD16HHF1_PA_SP2DMB.gif05-Apr-2020 07:26 23K 
[IMG]1.8MHz-30MHz_5W_1xIRF510_G0UPL.gif05-Apr-2020 07:26 42K 
[IMG]1.8MHz-54MHz_100W_1xMRF101A_PA.gif05-Apr-2020 07:26 17K 
[IMG]1.8MHz-54MHz_100W_2xMRF101A_PA.gif05-Apr-2020 07:26 37K 
[IMG]1.8MHz-54MHz_5W_1xRD16HHF1_PA.gif05-Apr-2020 07:26 26K 
[IMG]1.8MHz-54MHz_700W_2xVRF2933_PA.gif05-Apr-2020 07:26 21K 
[IMG]1.8MHz-55MHz_Class-AB_MOSFET_PA.gif05-Apr-2020 07:26 129K 
[IMG]10GHz-LNB-out_to_144MHz_Conv_DF2FQ.gif05-Apr-2020 07:26 343K 
[IMG]1296MHz_13W_PA_DL2EWN.gif05-Apr-2020 07:26 285K 
[IMG]130MHz-160MHz_15W_FM_PA_F3TA.gif05-Apr-2020 07:26 308K 
[IMG]144MHz_12W_2N3632_PA.gif05-Apr-2020 07:26 56K 
[IMG]144MHz_25W_2x2N3632_PA.gif05-Apr-2020 07:26 36K 
[IMG]1MHz-30MHz_TX_Amp_DK1HE.gif05-Apr-2020 07:26 49K 
[IMG]1MHz-70MHz_VGA_FET-BJT.gif05-Apr-2020 07:26 27K 
[IMG]27MHz_to_54MHz_Frequency_Doubler.gif05-Apr-2020 07:26 15K 
[IMG]2kHz-700kHz_to_22MHz_Upconverter_DJ8IL.gif05-Apr-2020 07:26 131K 
[IMG]3-30MHz_Dip_Impedance_Meter.gif05-Apr-2020 07:26 218K 
[IMG]40.68MHz_Class-E_MRF101_PA.gif05-Apr-2020 07:26 73K 
[IMG]400kHz-60MHz_5W_PA_DJ0ABR.gif05-Apr-2020 07:27 43K 
[IMG]40m_5W_FlyingPig_TRX_W8DIZ.gif05-Apr-2020 07:27 112K 
[IMG]40m_Superhet_RX_KD1JV.gif05-Apr-2020 07:27 88K 
[IMG]41MHz-43MHz_PLL_FC1BAE.gif05-Apr-2020 07:27 248K 
[IMG]50MHz-4GHz_Single_Combined_MMIC_Amp.gif05-Apr-2020 07:27 123K 
[IMG]5MHz-5.5MHz_VFO_FT-301.gif05-Apr-2020 07:27 62K 
[IMG]88-108MHz_1W_FM_TX.gif05-Apr-2020 07:27 76K 
[IMG]88-108MHz_7W_FM_TX.gif05-Apr-2020 07:27 24K 
[IMG]9MHz_SSB_IF_Demod_DK1HE.gif05-Apr-2020 07:27 30K 
[IMG]CW_Detector_LM567_KK5JY.gif05-Apr-2020 07:27 21K 
[IMG]CW_QRM_Fighter_KC2FR.gif05-Apr-2020 07:27 151K 
[IMG]CW_Zero_Beat_LM567_IK0KBA.gif05-Apr-2020 07:27 15K 
[IMG]Dual_Ant_Preamp_DK6ED.gif05-Apr-2020 07:27 86K 
[IMG]Feeds_for_Stacked_Yagi_Ant.gif05-Apr-2020 07:27 109K 
[IMG]HF-50MHz_600W_PA_MRF300_YO9IRF.gif05-Apr-2020 07:27 103K 
[IMG]HF_10W_PA_RD16HHF_DK1HE.gif05-Apr-2020 07:27 43K 
[IMG]HF_20W_2xRD16HHF_PA_TF3LJ.gif05-Apr-2020 07:27 17K 
[IMG]HF_20W_PA_2xRD16HHF_DK1HE.gif05-Apr-2020 07:27 52K 
[IMG]HF_MOSFET_LNA_DK6ED.gif05-Apr-2020 07:27 44K 
[IMG]High_Frequency_Zener_Noise_Source.gif05-Apr-2020 07:27 84K 
[IMG]Kenwood_AT-130_Antenna_Tuner.gif05-Apr-2020 07:27 107K 
[IMG]MFJ-959_RX_Tuner_Preamp.gif05-Apr-2020 07:27 185K 
[IMG]Microwave_Frequency_Doubler.gif05-Apr-2020 07:27 22K 
[IMG]mmWave_GaAsFET_uStrip_Mixer.gif05-Apr-2020 07:27 8.8K 
[IMG]S-Band_Low-Noise_Active_Splitter.gif05-Apr-2020 07:28 16K 
[IMG]S-L_Bands_GaAs_LNA.gif05-Apr-2020 07:28 73K 
[IMG]Simple_White_Noise_Gen.gif05-Apr-2020 07:28 31K 
[IMG]Transistor_Tester_F1LBL.gif05-Apr-2020 07:28 51K 
[IMG]Varactor_Frequency_Tripler.gif05-Apr-2020 07:28 7.6K 
[IMG]VHF_RX_MC3361_FC1ASK.gif05-Apr-2020 07:28 253K 
[IMG]Weaver_SSB_RX_G0UPL.gif05-Apr-2020 07:28 84K 
[IMG]Zero-Beat_Tuning_LM567_N5FC.gif05-Apr-2020 07:28 43K 
[IMG]Zero_Beat_Indicator_LM567_LA3ZA.gif05-Apr-2020 07:28 56K 
[IMG]0.7MHz-to-19MHz_VCO_MC10116.gif05-Sep-2020 10:46 100K 
[IMG]1.56GHz_GPS_LNA_NE68519.gif05-Sep-2020 10:46 40K 
[IMG]1.5GHz_MMIC_Amp.gif05-Sep-2020 10:46 42K 
[IMG]1.6GHz_High-Gain_Amplifier.gif05-Sep-2020 10:46 102K 
[IMG]1.7GHz-2.5GHz_Coaxial_Resonator_VCOs.gif05-Sep-2020 10:47 121K 
[IMG]1.7GHz_MESFET_Mixer.gif05-Sep-2020 10:47 126K 
[IMG]100Hz-100kHz_Digit_Tuned_BPF.gif05-Sep-2020 10:47 24K 
[IMG]100kHz-20MHz_Any_Crystal_LO.gif05-Sep-2020 10:47 27K 
[IMG]100MHz-1GHz_Diode_Switch.gif05-Sep-2020 10:47 91K 
[IMG]100MHz_Noise_Generator_DK7JB.gif05-Sep-2020 10:47 40K 
[IMG]10kHz-3GHz_Wideband_Bridge_Coupler.gif05-Sep-2020 10:47 313K 
[IMG]13.56MHz_250W_PA_ARF442.gif05-Sep-2020 10:47 168K 
[IMG]13.56MHz_400W_PA_ARF440.gif05-Sep-2020 10:47 254K 
[IMG]1kHz_Adjustable-Q_BPF.gif05-Sep-2020 10:47 72K 
[IMG]1MHz-10MHz_Clock_Isolation_Amplifier.gif05-Sep-2020 10:47 82K 
[IMG]1xPNP_Semi-automatic_Keyer.gif05-Sep-2020 10:47 58K 
[IMG]2.4GHz_Balanced_pHEMT_LNA.gif05-Sep-2020 10:47 27K 
[IMG]2.4GHz_Coax_Resonator_LO.gif05-Sep-2020 10:47 55K 
[IMG]20MHz-150MHz_Controlled_Reactance_VCO.gif05-Sep-2020 10:47 160K 
[IMG]250MHz-BW_Very_Fast_RF_Switch.gif05-Sep-2020 10:47 31K 
[IMG]2nd_Order_Delay_Equalizer.gif05-Sep-2020 10:47 91K 
[IMG]455kHz_JFET_Bi-directional_Amplifier.gif05-Sep-2020 10:48 298K 
[IMG]51MHz-452MHz_Coax_Diplexer.gif05-Sep-2020 10:48 170K 
[IMG]52MHz-144MHz_Coax_Diplexer.gif05-Sep-2020 10:48 71K 
[IMG]550MHz-1300MHZ_SA.gif05-Sep-2020 10:48 323K 
[IMG]5km_2.5W_FM_Transmitter.gif05-Sep-2020 10:48 207K 
[IMG]5MHz-1000MHz_Harmonic_Generator.gif05-Sep-2020 10:48 90K 
[IMG]60dB_LO-to-IF_Isolation_Mixer.gif05-Sep-2020 10:48 12K 
[IMG]6MHz_Crystal_Meissner_LO.gif05-Sep-2020 10:48 24K 
[IMG]70MHz_20MHz-BW_Varactor _Phase_Shifter.gif05-Sep-2020 10:48 219K 
[IMG]70MHz_Very_Low_Phase_Noise_LO_Driscoll.gif05-Sep-2020 10:48 90K 
[IMG]7MHz_Dual_Colpitts_Mixing_VXO_K5UOS.gif05-Sep-2020 10:48 35K 
[IMG]7MHz_Meissner_Balanced_LO.gif05-Sep-2020 10:48 29K 
[IMG]800MHz-to-1.6GHz_Frequency_Doubler.gif05-Sep-2020 10:48 100K 
[IMG]88-108MHz_Feedback_FM_RX.gif05-Sep-2020 10:48 36K 
[IMG]8PSK_Mod_MC10164.gif05-Sep-2020 10:48 64K 
[IMG]915MHz-to-1.83GHz_Transponder.gif05-Sep-2020 10:48 148K 
[IMG]98MHz-108MHz_VCO_MAR-8.gif05-Sep-2020 10:48 10K 
[IMG]Active_Double-Balanced_Mixer_4xBFR91A.gif05-Sep-2020 10:49 301K 
[IMG]Active_Frequency_Multiplier_HA5004.gif05-Sep-2020 10:49 9.6K 
[IMG]AM_FM_Receiver_NE604.gif05-Sep-2020 10:49 21K 
[IMG]BJT_Norton_Amplifiers.gif05-Sep-2020 10:49 77K 
[IMG]BPSK_Demod_NE602.gif05-Sep-2020 10:49 26K 
[IMG]Broadband_Push-Pull_RF_Preamplifier.gif05-Sep-2020 10:49 83K 
[IMG]Buffer_PNP-NPN.gif05-Sep-2020 10:49 56K 
[IMG]CI-V_Interface_for_IC-7000_YU1TTN.gif05-Sep-2020 10:49 32K 
[IMG]Clock_Recovery_D-FF_Phase_Detector.gif05-Sep-2020 10:49 373K 
[IMG]Constant_Phase_Difference_Networks.gif05-Sep-2020 10:49 27K 
[IMG]Delay_Line_Discriminator_NE602.gif05-Sep-2020 10:49 133K 
[IMG]Differential_LO.gif05-Sep-2020 10:49 58K 
[IMG]Fast_Rise-Fall_time_RF_Switch_Pulsed_Radar.gif05-Sep-2020 10:49 148K 
[IMG]Freq_Depend_Limiter_Narrow_FM_Mod.gif05-Sep-2020 10:49 136K 
[IMG]FSK_Modulator_MC10101.gif05-Sep-2020 10:49 11K 
[IMG]FSK_Modulator_NOR_Gates.gif05-Sep-2020 10:49 67K 
[IMG]GPS_Disciplined _Oscillator_G3RUH.gif05-Sep-2020 10:49 82K 
[IMG]GPS_Disciplined _Oscillator_G4JNT.gif05-Sep-2020 10:49 33K 
[IMG]GPS_Disciplined _Oscillator_Jupiter-10kHz.gif05-Sep-2020 10:49 85K 
[IMG]GPS_NMEA_Disciplined _Oscillator.gif05-Sep-2020 10:50 163K 
[IMG]HF_30W_Quasi-Complementary_Class-D_PA.gif05-Sep-2020 10:50 79K 
[IMG]HF_Cascode_MOSFET_LNA.gif05-Sep-2020 10:50 45K 
[IMG]HF_High_IP3_Push-Pull_LNAs.gif05-Sep-2020 10:50 93K 
[IMG]High_Dynamic_Range_AM_Detector.gif05-Sep-2020 10:50 11K 
[IMG]High_Isolation_PIN_diode_Switch.gif05-Sep-2020 10:50 95K 
[IMG]LC_Discriminator_NE602.gif05-Sep-2020 10:50 107K 
[IMG]Linear_Attenuation_AGC_Balanced_PIN_Diodes.gif05-Sep-2020 10:50 63K 
[IMG]Linear_Power_Meter_Compensated_Diode.gif05-Sep-2020 10:50 88K 
[IMG]Log_Amplifier_SL523.gif05-Sep-2020 10:50 163K 
[IMG]Low_Freq_Crystal_LO.gif05-Sep-2020 10:50 40K 
[IMG]Microwave_Detector_Noise_Cancelling.gif05-Sep-2020 10:50 113K 
[IMG]MMIC_Bias_Circuits.gif05-Sep-2020 10:50 112K 
[IMG]MMIC_Bias_LDCS.gif05-Sep-2020 10:50 59K 
[IMG]MMIC_Crystal_LOs.gif05-Sep-2020 10:50 29K 
[IMG]MMIC_Crystal_LOs_Feedback.gif05-Sep-2020 10:50 12K 
[IMG]MMIC_Low_Dropout_Active_Bias.gif05-Sep-2020 10:50 99K 
[IMG]MOSFET_Automatic_Bias_Tracking.gif05-Sep-2020 10:50 72K 
[IMG]No-2nd_Harmonic_Signal_Generator.gif05-Sep-2020 10:50 379K 
[IMG]Noise_Clean-up_Followers.gif05-Sep-2020 10:51 144K 
[IMG]OOK_Modulator_MC10104.gif05-Sep-2020 10:51 15K 
[IMG]Optimized_Envelope_Schottky_Diode_Detector.gif05-Sep-2020 10:51 69K 
[IMG]Oscillator_OR-NOR_Gates.gif05-Sep-2020 10:51 49K 
[IMG]Patch_Antenna_Oscillators.gif05-Sep-2020 10:51 45K 
[IMG]Phonograph_Preamplifier.gif05-Sep-2020 10:51 151K 
[IMG]PIN_diode_as_AM_modulator.gif05-Sep-2020 10:51 11K 
[IMG]PLL_System_Phase_Noise_Eq.gif05-Sep-2020 10:51 402K 
[IMG]Positive_Feedback_PLL.gif05-Sep-2020 10:51 136K 
[IMG]Power_Combined_Amplifiers.gif05-Sep-2020 10:51 33K 
[IMG]Power_Trans_Freq_Multiplier.gif05-Sep-2020 10:51 185K 
[IMG]Power_Varicap_Freq_Multiplier.gif05-Sep-2020 10:51 136K 
[IMG]Precision_RF_AGC_AD600.gif05-Sep-2020 10:51 194K 
[IMG]Programable_Gain_Constant_Phase_Amp.gif05-Sep-2020 10:51 214K 
[IMG]PSK_Demod_MC10131.gif05-Sep-2020 10:52 577K 
[IMG]Quartz_Crystal_Specifications.gif05-Sep-2020 10:52 517K 
[IMG]RF-BJT_Low_Dropout_Active_Bias.gif05-Sep-2020 10:52 108K 
[IMG]RMS_Detector_AD636.gif05-Sep-2020 10:52 249K 
[IMG]Sampling_Rate_RX.gif05-Sep-2020 10:52 35K 
[IMG]Self_Biased_PIN_Diode_Limitter.gif05-Sep-2020 10:52 14K 
[IMG]SPDT_Terminated_PIN_Switch.gif05-Sep-2020 10:52 59K 
[IMG]SSTV_Interface_W4PFW.gif05-Sep-2020 10:52 55K 
[IMG]Step_Recovery_Diode_Multipliers.gif05-Sep-2020 10:52 31K 
[IMG]Swept_BPF.gif05-Sep-2020 10:52 526K 
[IMG]Switched_FET_Mixer_SD5000.gif05-Sep-2020 10:52 86K 
[IMG]Transmission_and_Reflection_Phase_Shifters.gif05-Sep-2020 10:52 19K 
[IMG]UHF_AM_RX_LM833.gif05-Sep-2020 10:52 27K 
[IMG]UHF_Cavity_Stabilized_VCO.gif05-Sep-2020 10:53 238K 
[IMG]Video_Amplifier_uA733.gif05-Sep-2020 10:53 29K 
[IMG]VSWR_Protection.gif05-Sep-2020 10:53 142K 
[IMG]WBFM_FLL_TX.gif05-Sep-2020 10:53 37K 
[IMG]Wilkinson_Spliters_Coax_Cables.gif05-Sep-2020 10:53 195K 
[IMG]X-band_GaAsFET_Mixer.gif05-Sep-2020 10:53 9.7K 
[IMG]X-band_K-band_Ka-band_Signal_Source.gif05-Sep-2020 10:53 13K 
[IMG]1.8MHz-30MHz_DCR_DL6ZB.gif24-Jan-2021 17:05 68K 
[IMG]100MHz_Low_Phase_Noise_Driscoll_LO_OE3HBW.gif24-Jan-2021 17:05 114K 
[IMG]10GHz_DRO_GaAs_LO.gif24-Jan-2021 17:05 46K 
[IMG]10GHz_GaAs_FET_LNA.gif24-Jan-2021 17:05 13K 
[IMG]10MHz-15MHz_2W_AM_TX.gif24-Jan-2021 17:05 41K 
[IMG]1296MHz-to-144MHz_TRV_K5TRA.gif24-Jan-2021 17:05 163K 
[IMG]13.8V-20A_PTT_Switch_N3FJZ.gif24-Jan-2021 17:05 34K 
[IMG]130kHz-500MHz_Power_Meter.gif24-Jan-2021 17:05 30K 
[IMG]144MHz-to-28MHz_15W_TRV.gif24-Jan-2021 17:05 120K 
[IMG]150kHz-150MHz_RF_Power_Meter_ON6MU.gif24-Jan-2021 17:05 14K 
[IMG]194MHz_Signal_Source_W1VT.gif24-Jan-2021 17:05 254K 
[IMG]1MHz-4GHz_Power_Meter_AD5513.gif24-Jan-2021 17:06 77K 
[IMG]2.4GHz_Very_Low_Noise_GaAs_LNA.gif24-Jan-2021 17:06 43K 
[IMG]20m-80m_Abacus2_TRX_DL6ZB.gif24-Jan-2021 17:06 170K 
[IMG]220MHz-to-50MHz_TRV_K5TRA.gif24-Jan-2021 17:06 174K 
[IMG]220MHz_Beacon_K5TRA.gif24-Jan-2021 17:06 92K 
[IMG]23cm_NBFM_TRX_PE1JPD.gif24-Jan-2021 17:06 252K 
[IMG]27MHz-70MHz_FWD-REF_Meter.gif24-Jan-2021 17:06 47K 
[IMG]27MHz_AM_RX_ZN414.gif24-Jan-2021 17:06 7.5K 
[IMG]28MHz-54MHz_Noise_Blanker.gif24-Jan-2021 17:06 140K 
[IMG]30m_2xTransistors_CW_TRX_DL6ZB.gif24-Jan-2021 17:06 41K 
[IMG]320MHz-1120MHz_Noise-Feedback_VCO.gif24-Jan-2021 17:06 36K 
[IMG]3xBJT_Product_Detector.gif24-Jan-2021 17:06 44K 
[IMG]40m_1.5V_DCR_DL6ZB.gif24-Jan-2021 17:06 23K 
[IMG]40m_1W_CW_TRX_DL6MBI.gif24-Jan-2021 17:06 106K 
[IMG]40m_2xBJT_Abacus_TRX_DL6ZB.gif24-Jan-2021 17:06 60K 
[IMG]40m_2xBJT_RX_DL6ZB.gif24-Jan-2021 17:06 22K 
[IMG]450MHz-2GHz_Power_Meter_LMV225.gif24-Jan-2021 17:06 45K 
[IMG]50MHz-to-144MHz_simple_TRV.gif24-Jan-2021 17:06 48K 
[IMG]50MHz-to-28MHz_MOSFET_TRV.gif24-Jan-2021 17:06 25K 
[IMG]50MHz-to-28MHz_RX_Converter_VK2FC.gif24-Jan-2021 17:06 125K 
[IMG]5GHz-6GHz_LNA_BFP740.gif24-Jan-2021 17:06 70K 
[IMG]70MHz-to-28MHz_TRV.gif24-Jan-2021 17:06 109K 
[IMG]77GHz_Dual-Cascode_SiGe_LNA_with_VGA.gif24-Jan-2021 17:07 49K 
[IMG]77GHz_Dual_Stage_SiGe_LNA.gif24-Jan-2021 17:07 20K 
[IMG]7MHz-7.2MHz_VXO-PLL_DL6MBI.gif24-Jan-2021 17:07 69K 
[IMG]915MHz_CW_RX_TX.gif24-Jan-2021 17:07 83K 
[IMG]9GHz_Temp_Comp_Schottky_Det.gif24-Jan-2021 17:07 84K 
[IMG]9MHz_2.4kHz-BW_Ladder_Crystal_Filter_N3FJZ.gif24-Jan-2021 17:07 18K 
[IMG]Audio_S-meter_N3FJZ.gif24-Jan-2021 17:07 27K 
[IMG]DC-17GHz_PHEMT_Cascode_LNA.gif24-Jan-2021 17:07 64K 
[IMG]DC-500MHz_Power_Meter_AD8307.gif24-Jan-2021 17:07 13K 
[IMG]DC-500MHz_Power_Meter_model_AD8307.gif24-Jan-2021 17:07 54K 
[IMG]DC_Regulator_OverVoltage_Protection.gif24-Jan-2021 17:07 28K 
[IMG]Dual-core_Power_Splitter_IN3OTD.gif24-Jan-2021 17:07 14K 
[IMG]Dynamic_Complementary_Noise_Blanker_N1KPR.gif24-Jan-2021 17:07 129K 
[IMG]Dynamic_Noise_Limiter_DL4CS.gif24-Jan-2021 17:07 49K 
[IMG]Field_Strength_Meter_BJT.gif24-Jan-2021 17:07 9.0K 
[IMG]FM_TX_AD8099.gif24-Jan-2021 17:07 11K 
[IMG]FWD-REFL_meter_DL6MBI.gif24-Jan-2021 17:07 14K 
[IMG]GaAs_LNA_Uniform_Bias.gif24-Jan-2021 17:07 9.8K 
[IMG]Hears_Anything_RX_Wenzel.gif24-Jan-2021 17:07 83K 
[IMG]HF-to-48MHz_TRV_JG1EAD.gif24-Jan-2021 17:07 29K 
[IMG]HF_1kW_PEP_Power_Meter_VK4AOI.gif24-Jan-2021 17:07 175K 
[IMG]HF_1W_Push-Pull_PA_KB9YIG.gif24-Jan-2021 17:07 53K 
[IMG]HF_IP3=43dBm_LNA_IN3OTD.gif24-Jan-2021 17:07 49K 
[IMG]HF_Power-VSWR_Detector_N3FJZ.gif24-Jan-2021 17:07 233K 
[IMG]HF_RF_Power_Detector_BAT54_IN3OTD.gif24-Jan-2021 17:07 59K 
[IMG]HF_Splitter_DL6ZB.gif24-Jan-2021 17:07 7.6K 
[IMG]HF_TX_LPF_N3FJZ.gif24-Jan-2021 17:07 79K 
[IMG]Iambic_Keyer_DL6MBI.gif24-Jan-2021 17:08 39K 
[IMG]Impatt_Doppler_Detector.gif24-Jan-2021 17:08 48K 
[IMG]Increased_Current_Regulator.gif24-Jan-2021 17:08 8.4K 
[IMG]Microwave_Schottky_Diode_Microstrip_Detector.gif24-Jan-2021 17:08 21K 
[IMG]MW_AM_TX_BC547.gif24-Jan-2021 17:08 29K 
[IMG]MXR_Noise_Gate.gif24-Jan-2021 17:08 31K 
[IMG]Noise_Blanker_2xMC1330.gif24-Jan-2021 17:08 139K 
[IMG]Noise_Blanker_DL4CS.gif24-Jan-2021 17:08 51K 
[IMG]Noise_Blanker_WB4HFN.gif24-Jan-2021 17:08 509K 
[IMG]Noise_Gate_TL072.gif24-Jan-2021 17:08 33K 
[IMG]Norton-Rohde_High-IP3_Amplifier.gif24-Jan-2021 17:08 64K 
[IMG]One-Knob_Noise_Gate.gif24-Jan-2021 17:08 23K 
[IMG]S-Band_VCO_BFR90.gif24-Jan-2021 17:08 8.7K 
[IMG]S-meter_Amplifier_DL6MBI.gif24-Jan-2021 17:08 34K 
[IMG]SiGe_Sub-Harmonic_Mixer.gif24-Jan-2021 17:08 32K 
[IMG]Static_Noise_Reducer.gif24-Jan-2021 17:08 47K 
[IMG]Thunderstorm_Warning_Indicator.gif24-Jan-2021 17:08 17K 
[IMG]Tiny_Noise_Gate.gif24-Jan-2021 17:08 70K 
[IMG]Transformer_Directional_Coupler_20dB_FT50-43.gif24-Jan-2021 17:08 18K 
[IMG]Two_Stage_Isolator.gif24-Jan-2021 17:08 145K 
[IMG]Very_Low_Noise_Audio_Preamp_ZTX853.gif24-Jan-2021 17:08 88K 
[IMG]VHF_Field_Strength_Meter_JFET.gif24-Jan-2021 17:08 37K 
[IMG]VLF_to_3GHz_Diode_Detector.gif24-Jan-2021 17:08 21K 
[IMG]Waveguide_Coaxial_Detector.gif24-Jan-2021 17:08 17K 
[IMG]Waveguide_Detectors.gif24-Jan-2021 17:08 50K 
[IMG]Wideband_VCOs.gif24-Jan-2021 17:08 28K 
[IMG]1.8MHz-30MHz_25W_PA_FET_K9AY.gif01-Oct-2021 04:45 64K 
[IMG]1.8MHz-to-3.8MHz_LNA_DK6ED.gif01-Oct-2021 04:45 41K 
[IMG]10.7MHz_RC_LO.gif01-Oct-2021 04:45 3.7K 
[IMG]10MHz-30MHz_Voltage_Controlled_Filter.gif01-Oct-2021 04:45 29K 
[IMG]10MHz_GPS_Disciplined_VCXO.gif01-Oct-2021 04:46 53K 
[IMG]10MHz_RC_Feedback_LO.gif01-Oct-2021 04:46 2.9K 
[IMG]110kHz_Metal_Detector_LM380.gif01-Oct-2021 04:46 120K 
[IMG]1296MHz_150W_PA_US4ICI.gif01-Oct-2021 04:46 291K 
[IMG]13.2MHz_Low-Distortion_Clapp_LO.gif01-Oct-2021 04:46 5.5K 
[IMG]14MHz-15MHz_Stable_Amplitude_VFO.gif01-Oct-2021 04:46 5.4K 
[IMG]1750m_TRX_WD4PLI.gif01-Oct-2021 04:46 120K 
[IMG]1Hz-1MHz_Frequency_Meter.gif01-Oct-2021 04:46 36K 
[IMG]200kHz-4MHz_74HC00_VCO.gif01-Oct-2021 04:46 5.7K 
[IMG]200kHz_BFO_Product_Detector.gif01-Oct-2021 04:46 99K 
[IMG]20cm_Metal_Detector.gif01-Oct-2021 04:46 2.9K 
[IMG]25kHz-370kHz_74HC08_VFO.gif01-Oct-2021 04:46 3.4K 
[IMG]2xJFET_Stable_Amplitude_VFO.gif01-Oct-2021 04:46 3.5K 
[IMG]350kHz-850kHz_VCO.gif01-Oct-2021 04:46 2.7K 
[IMG]3rd_Harmonic_RC_X-tal_LO.gif01-Oct-2021 04:46 3.8K 
[IMG]4-digit_Simple_Frequency_Meter.gif01-Oct-2021 04:46 13K 
[IMG]4-to-1_Lamda-4_Coax_Transformer.gif01-Oct-2021 04:46 63K 
[IMG]40m_30m_CW_TRX_NN1G.gif01-Oct-2021 04:46 167K 
[IMG]40m_500W_Class-E_PA-YO2BCT.gif01-Oct-2021 04:46 58K 
[IMG]465kHz_Piezo-Filter_LO.gif01-Oct-2021 04:46 2.7K 
[IMG]500kHz_RC_VCO.gif01-Oct-2021 04:46 4.5K 
[IMG]500kHz_X-tal_Difference_LO.gif01-Oct-2021 04:46 4.2K 
[IMG]50MHz_70MHz_10W_TRV_DK1HE.gif01-Oct-2021 04:46 432K 
[IMG]50ohm-to-75ohm_Transf_W0SJ.gif01-Oct-2021 04:46 96K 
[IMG]5th_Harmonic_X-tal_LO.gif01-Oct-2021 04:46 2.8K 
[IMG]6V_to_8V,10V_DCDC_converter_DL2FI.gif01-Oct-2021 04:46 9.4K 
[IMG]7.8MHz_74HC00_LO.gif01-Oct-2021 04:46 3.1K 
[IMG]80m_500mW_CW_TX.gif01-Oct-2021 04:46 33K 
[IMG]8MHz_Wide-Range_VCXO.gif01-Oct-2021 04:46 6.9K 
[IMG]85kHz_OpAmp_X-tal_LO.gif01-Oct-2021 04:46 3.0K 
[IMG]AGC_High-IP3_PIN_diodes.gif01-Oct-2021 04:46 15K 
[IMG]AM_RX_TA7642.gif01-Oct-2021 04:46 18K 
[IMG]Audio_AGC_K1BQT.gif01-Oct-2021 04:46 163K 
[IMG]Audio_Dynamic_Noise_Limitter.gif01-Oct-2021 04:46 111K 
[IMG]Audio_LO_2x2N2222.gif01-Oct-2021 04:46 2.7K 
[IMG]Automatic_Temperature_Controlled_Fan_WA0WZI.gif01-Oct-2021 04:46 9.9K 
[IMG]BJT_Prod_Det_Headphone_Amp_DL2FI.gif01-Oct-2021 04:46 28K 
[IMG]CB_FM_RX_TBA120.gif01-Oct-2021 04:46 177K 
[IMG]DC-DC_for_LED.gif01-Oct-2021 04:46 2.8K 
[IMG]DDS_Clean-up_PLL_Filter_S57NAN.gif01-Oct-2021 04:46 238K 
[IMG]DIY_Condenser_Microphone.gif01-Oct-2021 04:46 117K 
[IMG]Electronic_Micrometer.gif01-Oct-2021 04:46 6.4K 
[IMG]FET-BJT_LO.gif01-Oct-2021 04:46 2.7K 
[IMG]Force-Sensor_Key_K8CIT.gif01-Oct-2021 04:46 182K 
[IMG]Harmonic_X-tal_LO.gif01-Oct-2021 04:46 4.8K 
[IMG]HF_Bands_BPF.gif01-Oct-2021 04:46 39K 
[IMG]HF_LNA_High_IP3_2x2N5109.gif01-Oct-2021 04:46 98K 
[IMG]HF_LNA_High_IP3_G=15dB_2x2N5109.gif01-Oct-2021 04:46 130K 
[IMG]HF_Preselector_MOSFET-JFET.gif01-Oct-2021 04:46 62K 
[IMG]HF_Quartzmite_QRPP_TRX_G8TMV.gif01-Oct-2021 04:46 244K 
[IMG]HF_RC_LO.gif01-Oct-2021 04:46 3.6K 
[IMG]High_Inp-Imp_High-CMMR_Preamp.gif01-Oct-2021 04:46 44K 
[IMG]Infrared_Wireless_TX-RX.gif01-Oct-2021 04:46 136K 
[IMG]LC_LO_with_Amplitude_Control.gif01-Oct-2021 04:46 2.8K 
[IMG]LOs_in_Barrier_Mode.gif01-Oct-2021 04:46 3.7K 
[IMG]Low_Frequency_X-tal_LOs.gif01-Oct-2021 04:46 7.2K 
[IMG]Noise_and_Interference_Steerer_W7XC.gif01-Oct-2021 04:46 132K 
[IMG]OpAmp_X-tal_LO.gif01-Oct-2021 04:46 2.8K 
[IMG]Precise_Movement_Meter.gif01-Oct-2021 04:47 4.5K 
[IMG]Push-Pull_LC_BJT_LO.gif01-Oct-2021 04:47 3.4K 
[IMG]Push-Pull_LC_LO.gif01-Oct-2021 04:47 3.4K 
[IMG]Radiation_Free_Antenna_Bridge_Tuner_DL7JSP.gif01-Oct-2021 04:47 168K 
[IMG]RC_TX_NE565.gif01-Oct-2021 04:47 104K 
[IMG]SW_RX_2xBC109.gif01-Oct-2021 04:47 143K 
[IMG]SWR_Detector_Audio_Adaptor_G4YNM.gif01-Oct-2021 04:47 19K 
[IMG]Transverter_Interface_for_IC-7300_DB6NT.gif01-Oct-2021 04:47 197K 
[IMG]Vibro-debugger_Keyer_WB9VGE.gif01-Oct-2021 04:47 378K 
[IMG]WSPR_TX_F4GOH.gif01-Oct-2021 04:47 237K 
[IMG]1.5GHz-3.8GHz_Class-E_pHEMT_PA.gif08-Feb-2022 16:30 13K 
[IMG]1.5V_Tracking_TX.gif08-Feb-2022 16:30 7.3K 
[IMG]100MHz-250MHz_JFET-BJT_LNA.gif08-Feb-2022 16:30 3.2K 
[IMG]145MHz_140W_PA_VK2ZTB.gif08-Feb-2022 16:31 353K 
[IMG]145MHz_20W_Class-E_PA_CRF24060.gif08-Feb-2022 16:31 14K 
[IMG]2.1GHz_10W_Class-E_GaN_PA.gif08-Feb-2022 16:31 47K 
[IMG]2.4GHz_7W_Class-E_GaN_PA.gif08-Feb-2022 16:31 14K 
[IMG]20m_DCR_KP3031.gif08-Feb-2022 16:31 50K 
[IMG]220Hz-3.2MHz_Wideband_LC_LO.gif08-Feb-2022 16:31 21K 
[IMG]24GHz_Schottky_Detector_Mixer.gif08-Feb-2022 16:31 51K 
[IMG]24V-15A_Short_Protected_PS.gif08-Feb-2022 16:31 50K 
[IMG]27MHz_500W_Class-E_PA_ARF448.gif08-Feb-2022 16:31 12K 
[IMG]300MHz-2.7GHz_10W_GaN_PA.gif08-Feb-2022 16:31 32K 
[IMG]40m_OCR_Regenarative_RX_N1BYT.gif08-Feb-2022 16:31 37K 
[IMG]500MHz_50W_Class-F_PA_RD60HUF1.gif08-Feb-2022 16:31 13K 
[IMG]50MHz-to-500MHz_1kW_PA_BLF645.gif08-Feb-2022 16:31 49K 
[IMG]50MHz_5W_FM_TX.gif08-Feb-2022 16:31 124K 
[IMG]60Hz_Notch_Circuit.gif08-Feb-2022 16:31 7.9K 
[IMG]7MHz_Stable_LO_W6QIF.gif08-Feb-2022 16:31 47K 
[IMG]80m_3W_CW_TX.gif08-Feb-2022 16:31 29K 
[IMG]88-108MHz_300W_FM_PA_ARF449.gif08-Feb-2022 16:31 81K 
[IMG]88MHz_300mW_FM_TX.gif08-Feb-2022 16:31 34K 
[IMG]88MHz_500mW_FM_TX.gif08-Feb-2022 16:31 121K 
[IMG]96.3MHz_Inductorless_FM_TX.gif08-Feb-2022 16:31 8.4K 
[IMG]AM-FM-SSB-CW_RX.gif08-Feb-2022 16:31 33K 
[IMG]AM_RX_with_Synchronous_Detector.gif08-Feb-2022 16:31 64K 
[IMG]AM_Synchronous_Detector.gif08-Feb-2022 16:31 22K 
[IMG]Blown_Fuse_Indicator.gif08-Feb-2022 16:31 40K 
[IMG]CB_TRX_ICOM-1050.gif08-Feb-2022 16:31 419K 
[IMG]CW_Shaper_WA3ENK.gif08-Feb-2022 16:31 15K 
[IMG]D_FF_Relative_Phase_90-180-270.gif08-Feb-2022 16:31 8.3K 
[IMG]Digital_Communication_Interface_K1QW.gif08-Feb-2022 16:31 62K 
[IMG]Digital_Frequency_Multiplier.gif08-Feb-2022 16:31 38K 
[IMG]Digital_PSK_Demodulator.gif08-Feb-2022 16:31 45K 
[IMG]Diodes_IQ_Modulator.gif08-Feb-2022 16:31 24K 
[IMG]Double-Tank_Oscillator.gif08-Feb-2022 16:31 12K 
[IMG]Dynamic_AM_Detector.gif08-Feb-2022 16:31 16K 
[IMG]FM_crystal_radio_RX.gif08-Feb-2022 16:31 51K 
[IMG]Harmonics_Comb_Generator.gif08-Feb-2022 16:31 18K 
[IMG]HF_Hartley_VCO_Fine_Tuning.gif08-Feb-2022 16:31 27K 
[IMG]Hidden_Wire_Detectors.gif08-Feb-2022 16:31 18K 
[IMG]High-Gain_Stable_IF_Amplifier.gif08-Feb-2022 16:31 3.8K 
[IMG]How_to_Measure_Antenna_Impedance.gif08-Feb-2022 16:31 16K 
[IMG]Inductance_to_Frequency_Meter.gif08-Feb-2022 16:31 6.6K 
[IMG]Interface_for_Pulsed_Digital_Modes_KK4R.gif08-Feb-2022 16:31 39K 
[IMG]Linear_AC_Voltmeter.gif08-Feb-2022 16:31 30K 
[IMG]Moving_Detector_1458.gif08-Feb-2022 16:31 4.2K 
[IMG]Multi-Drive_Stacked_CMOS_PA.gif08-Feb-2022 16:31 17K 
[IMG]Multitap_Matching_Transformer.gif08-Feb-2022 16:31 87K 
[IMG]Noise-Gating-Compression_Mic_Preamp.gif08-Feb-2022 16:31 77K 
[IMG]PIN_Diode_T-R_Switch_KE2QJ.gif08-Feb-2022 16:31 40K 
[IMG]QuarterWave_Sleeve_Bazooka_Balun.gif08-Feb-2022 16:31 19K 
[IMG]Return_Loss_Bridge_W3NQN.gif08-Feb-2022 16:31 98K 
[IMG]S-Band_GaAs_LNA_NEC67383.gif08-Feb-2022 16:31 74K 
[IMG]Sensitive_Envelope_Detector.gif08-Feb-2022 16:31 12K 
[IMG]Sensitive_Envelope_Detector_BJT.gif08-Feb-2022 16:31 7.9K 
[IMG]Sinusoidal_Output_X-tal_LO.gif08-Feb-2022 16:31 10K 
[IMG]Smoke-Dust_Detector.gif08-Feb-2022 16:31 21K 
[IMG]Star_Diode_Mixer.gif08-Feb-2022 16:31 31K 
[IMG]SW_Automatic_Regenerative_Control_RX.gif08-Feb-2022 16:31 23K 
[IMG]Sweep_Gen_for_Return_Loss.gif08-Feb-2022 16:31 93K 
[IMG]Techniques_for_Cancelling_Co_in_Crystals.gif08-Feb-2022 16:31 25K 
[IMG]TTL_Capacitance_Meters.gif08-Feb-2022 16:31 8.3K 
[IMG]Touch_Paddle_Key_WA3ENK.gif08-Feb-2022 16:31 31K 
[IMG]TTL_Inductance_Meters.gif08-Feb-2022 16:31 6.8K 
[IMG]UHF_20W_Class-E_LDMOS_PA.gif08-Feb-2022 16:32 18K 
[IMG]UHF_High-Efficiency_LDMOS_PA.gif08-Feb-2022 16:32 21K 
[IMG]Varactor_vs_Transductor_Tuning.gif08-Feb-2022 16:32 21K 
[IMG]Voice_Balancing_Audio_Clipper_WB6VMI.gif08-Feb-2022 16:32 15K 
[IMG]Volks_RTTY_Interface_K7SZL.gif08-Feb-2022 16:32 72K 
[IMG]X-Ray_Photometer.gif08-Feb-2022 16:32 5.8K 
[IMG]0-30MHz_SSB_RX_TDA4100.gif01-Feb-2023 07:30 56K 
[IMG]0-360deg_Phase_Shifter.gif01-Feb-2023 07:30 35K 
[IMG]100MHz-400MHz_100W_AM-FM_PA_F1021.gif01-Feb-2023 07:30 26K 
[IMG]100MHz-400MHz_100W_PA_F1058.gif01-Feb-2023 07:30 45K 
[IMG]100MHz-500MHz_80W_PA_F1072.gif01-Feb-2023 07:30 16K 
[IMG]10MHz-200MHz_100W_PA_F1027.gif01-Feb-2023 07:30 61K 
[IMG]10MHz_Cascaded_Wilkinson_Splitters_DK3HA.gif01-Feb-2023 07:30 42K 
[IMG]144MHz-28MHz_TRV_UT5JCW.gif01-Feb-2023 07:30 52K 
[IMG]144MHz-432MHz_Diplexer_DK7VN.gif01-Feb-2023 07:30 48K 
[IMG]144MHz_28MHz_RX_Converter_DJ2EV.gif01-Feb-2023 07:30 181K 
[IMG]144MHz_70W_RD70HVF1_PA.gif01-Feb-2023 07:30 14K 
[IMG]144MHz_80W_PA_RA80H1415M1_DC8RI.gif01-Feb-2023 07:30 41K 
[IMG]150MHz_High_Stability_LO_DH2HWJ.gif01-Feb-2023 07:30 127K 
[IMG]1MHz-1000MHz_1W_PA_F2001.gif01-Feb-2023 07:30 28K 
[IMG]1MHz-30MHz_150W_2SD2931.gif01-Feb-2023 07:30 36K 
[IMG]1MHz-54MHz_150W_PA_DB1NV.gif01-Feb-2023 07:30 72K 
[IMG]1MHz-60MHz_100W_PA_MRF101_DB1NV.gif01-Feb-2023 07:30 291K 
[IMG]225MHz-400MHz_130W_PA_F1020.gif01-Feb-2023 07:30 33K 
[IMG]225MHz-400MHz_40W_CW-AM_PA_F1008.gif01-Feb-2023 07:30 32K 
[IMG]2MHz-30MHz_10W_PA_G0UPL.gif01-Feb-2023 07:30 69K 
[IMG]3-30MHz_50W_PA_IRF530.gif01-Feb-2023 07:30 336K 
[IMG]40m_CW_TRX_MA22_DK1HE.gif01-Feb-2023 07:30 84K 
[IMG]40m_SDT21_CW_TRX_DK1HE.gif01-Feb-2023 07:30 79K 
[IMG]460MHz-870MHz_20W_PA_F2013.gif01-Feb-2023 07:30 40K 
[IMG]500MHz_Frequency_Counter_Preamplifier_DB7FP.gif01-Feb-2023 07:30 15K 
[IMG]6070kHz_DARC_AM_RX.gif01-Feb-2023 07:30 47K 
[IMG]70MHz_Phase_Shifter.gif01-Feb-2023 07:30 26K 
[IMG]9MHz_Very_Low_Phase_Noise_LO_DC4KU.gif01-Feb-2023 07:30 17K 
[IMG]9MHz_X-tal_Filter_Transformer_Matching_DC4KU.gif01-Feb-2023 07:30 21K 
[IMG]Antenna_Coupler_DL5ABF.gif01-Feb-2023 07:30 85K 
[IMG]BJT_Product_Detectors_DK1HE.gif01-Feb-2023 07:30 27K 
[IMG]Harmonic_Dual-Band_Diode_Mixer_X-K-Bands.gif01-Feb-2023 07:30 53K 
[IMG]HF_Active_Antenna_PA3GZK.gif01-Feb-2023 07:30 37K 
[IMG]HF_Band_Selector_HB9KOC.gif01-Feb-2023 07:30 39K 
[IMG]HF_Loop-and-Vertical_Ant_Preamp_DK6ED.gif01-Feb-2023 07:30 63K 
[IMG]HF_Push-Pull_Amp_HB9AJG.gif01-Feb-2023 07:30 25K 
[IMG]InfraRed_Voice_TX-RX.gif01-Feb-2023 07:30 50K 
[IMG]Matching_10.7MHz_X-tal_Filters_DC8RI.gif01-Feb-2023 07:30 35K 
[IMG]PS_Switch_and_Current_Limitter.gif01-Feb-2023 07:30 19K 
[IMG]Sub-harmonic_Mixer_60GHz.gif01-Feb-2023 07:30 11K 
[IMG]Two_Diodes_DSB_Mod_1N34.gif01-Feb-2023 07:31 4.6K 
[IMG]Voltage_Controlled_Phase_Shifter.gif01-Feb-2023 07:31 40K 
[IMG]WLAN_Finder.gif01-Feb-2023 07:31 37K 
[IMG]10Hz-100kHz_Pseudorandom_Noise_Source.gif13-Jun-2023 15:31 30K 
[IMG]10kHz-75MHz_Very_Low_Noise_Preamp.gif13-Jun-2023 15:31 16K 
[IMG]1kHz_Wien-Bridge_Low-Dist_LO.gif13-Jun-2023 15:31 14K 
[IMG]2W_ATV_PA_Video_Modulator.gif13-Jun-2023 15:31 23K 
[IMG]3xBJT_Video_Amplifier.gif13-Jun-2023 15:31 24K 
[IMG]4.43MHz_Temperature_Controlled_LO.gif13-Jun-2023 15:31 58K 
[IMG]400MHz_VCO_VE7BPO.gif13-Jun-2023 15:31 31K 
[IMG]432MHz_to_36MHz_ATV_Converter_G3YQC.gif13-Jun-2023 15:31 33K 
[IMG]50ohm_to_75ohm_Transformer - W6SAI.gif13-Jun-2023 15:32 15K 
[IMG]50V_Over-Voltage_Protection_MOSFET.gif13-Jun-2023 15:32 5.2K 
[IMG]AF_Notch_Filter_BJT.gif13-Jun-2023 15:32 227K 
[IMG]ALC_for_LO.gif13-Jun-2023 15:32 20K 
[IMG]ATV_RF_Probe_G3YQC.gif13-Jun-2023 15:32 21K 
[IMG]ATV_Video_Amplifier_G3YQC.gif13-Jun-2023 15:32 20K 
[IMG]Audio_CW_Notch_Filter_DL4CS.gif13-Jun-2023 15:32 16K 
[IMG]BJT_Circuit_Design_Ideas.gif13-Jun-2023 15:32 37K 
[IMG]BJT_Current_Sources.gif13-Jun-2023 15:32 11K 
[IMG]Colpitts_Hartley_LOs.gif13-Jun-2023 15:32 9.7K 
[IMG]Differential_JFET-OpAmp_Amp.gif13-Jun-2023 15:32 14K 
[IMG]High_Power_Current_Sensing_Amp.gif13-Jun-2023 15:32 14K 
[IMG]JFET-BJT_Series-Feedback_Amp.gif13-Jun-2023 15:32 7.4K 
[IMG]JFET-OpAmp_Amplifier.gif13-Jun-2023 15:32 14K 
[IMG]JFET_as_Voltage_Controlled_Attenuator.gif13-Jun-2023 15:32 8.9K 
[IMG]JFET_Commom-Source_Amplifiers.gif13-Jun-2023 15:32 19K 
[IMG]JFET_Low-Distortion_Source_Followers.gif13-Jun-2023 15:32 8.3K 
[IMG]JFET_Unity-Gain_Source_Followers.gif13-Jun-2023 15:32 19K 
[IMG]Low_Freq_Low_Dist_LOs.gif13-Jun-2023 15:32 13K 
[IMG]Noise_Blanker_PE2BZ.gif13-Jun-2023 15:32 8.8K 
[IMG]One_Minute_Timer.gif13-Jun-2023 15:32 6.8K 
[IMG]Precision_ARB_Gen.gif13-Jun-2023 15:32 12K 
[IMG]Ribbon_Mic_Preamp.gif13-Jun-2023 15:32 7.8K 
[IMG]Saw_Tooth_Gen_555.gif13-Jun-2023 15:32 6.6K 
[IMG]Triangle_Gen_555.gif13-Jun-2023 15:32 6.7K 
[IMG]VHF_High-Stability_JFET_VCO.gif13-Jun-2023 15:32 6.7K 
[IMG]Very_Low_Noise_Audio_Preamp.gif13-Jun-2023 15:32 9.4K 
[IMG]Video_on_Oscilloscope_Interface_W2AEW.gif13-Jun-2023 15:32 142K 
[IMG]0.5%_Distortion_Audio_PA.gif02-Jan-2024 06:55 164K 
[IMG]100kHz-200MHz_Harmonic_Generator.gif02-Jan-2024 06:55 125K 
[IMG]144MHz_Hybrid_AM_RX.gif02-Jan-2024 06:55 244K 
[IMG]144MHz_Transmitter.gif02-Jan-2024 06:56 205K 
[IMG]144MHz_VFO_DM2DFN.gif02-Jan-2024 06:56 53K 
[IMG]1MHz-100MHz_VCO_BF256.gif02-Jan-2024 06:56 159K 
[IMG]25W_anti_stray_dog_ultrasound_TX.gif02-Jan-2024 06:56 197K 
[IMG]27MHz_FM_RX.gif02-Jan-2024 06:56 405K 
[IMG]27MHz_FM_TX.gif02-Jan-2024 06:56 278K 
[IMG]288MHz_Source_BF494.gif02-Jan-2024 06:56 136K 
[IMG]28MHz_Walkie-Talkie.gif02-Jan-2024 06:56 130K 
[IMG]35kHz_Ultrasonic_RX-TX.gif02-Jan-2024 06:56 399K 
[IMG]3MHz-12MHz_Direct_RX.gif02-Jan-2024 06:56 327K 
[IMG]4.43MHz_5_X-tal_Filter.gif02-Jan-2024 06:56 174K 
[IMG]455kHz_Product_Detector.gif02-Jan-2024 06:56 86K 
[IMG]4MHz-55MHz_Wideband_LNA.gif02-Jan-2024 06:56 90K 
[IMG]5.8MHz-6.4MHz_Vackar_VFO.gif02-Jan-2024 06:56 32K 
[IMG]50kHz-30MHz_Sign_Gen.gif02-Jan-2024 06:56 281K 
[IMG]5MHz-6MHz_Two_VFOs.gif02-Jan-2024 06:56 46K 
[IMG]7.5-9.5MHz_TTL_VCO.gif02-Jan-2024 06:56 99K 
[IMG]80m_Superhet_RX_DM3YBB.gif02-Jan-2024 06:56 100K 
[IMG]88-108MHz_Cascode_Preamp.gif02-Jan-2024 06:56 174K 
[IMG]88-108MHz_Superegen_RX_BF900.gif02-Jan-2024 06:56 283K 
[IMG]9MHz_4_X-tal_Filter.gif02-Jan-2024 06:56 113K 
[IMG]AM_Mains_Intercom.gif02-Jan-2024 06:56 517K 
[IMG]AM_Superhet_Ge_RX.gif02-Jan-2024 06:56 61K 
[IMG]Audio_BPF_TL084.gif02-Jan-2024 06:56 165K 
[IMG]CMOS_Function_Gen.gif02-Jan-2024 06:56 147K 
[IMG]FM_Aerial_Amp_BFY90.gif02-Jan-2024 06:56 70K 
[IMG]FM_Booster_Cable_Supply.gif02-Jan-2024 06:56 100K 
[IMG]FM_Modulator_BF900.gif02-Jan-2024 06:56 140K 
[IMG]FM_Tuner_Variometer.gif02-Jan-2024 06:56 294K 
[IMG]Gate_Dipper_Lamda-Diode.gif02-Jan-2024 06:56 225K 
[IMG]HF_JFETs_Preamps.gif02-Jan-2024 06:56 313K 
[IMG]HF_SSB-CW_Superhet_RX_DM3ML.gif02-Jan-2024 06:56 191K 
[IMG]Impedance_Variation_Detector.gif02-Jan-2024 06:56 627K 
[IMG]Inductance_Capacitance_Meter.gif02-Jan-2024 06:56 154K 
[IMG]Infrared_RX_TX.gif02-Jan-2024 06:56 501K 
[IMG]Instruments_Probes.gif02-Jan-2024 06:56 330K 
[IMG]LC_Meter_CD40106.gif02-Jan-2024 06:56 206K 
[IMG]MW_Reflex_RX_BF494.gif02-Jan-2024 06:56 167K 
[IMG]MW_Super-Regen_RX.gif02-Jan-2024 06:57 229K 
[IMG]MW_to_SW_Converter_3N211.gif02-Jan-2024 06:57 159K 
[IMG]Passive_CW_Filter.gif02-Jan-2024 06:57 230K 
[IMG]Phase_Meter_LF356.gif02-Jan-2024 06:57 166K 
[IMG]Phase_Meter_LM311.gif02-Jan-2024 06:57 361K 
[IMG]Proximity_Det_BF245.gif02-Jan-2024 06:57 243K 
[IMG]Saw_Tooth_Gen_5-BJT.gif02-Jan-2024 06:57 145K 
[IMG]Sensitive_Metal_Detector.gif02-Jan-2024 06:57 354K 
[IMG]Sine_Drept_Triangle_Gen.gif02-Jan-2024 06:57 231K 
[IMG]SW_Tri-Band_Superhet_AM_RX.gif02-Jan-2024 06:57 70K 
[IMG]Triangle_SAW_Generator.gif02-Jan-2024 06:57 191K 
[IMG]Two_VSWR_Meters_OA91.gif02-Jan-2024 06:57 189K 
[IMG]UHF_Noise_Gen_BF173.gif02-Jan-2024 06:57 73K 
[IMG]UHF_Video_Audio_Modulator.gif02-Jan-2024 06:57 112K 
[IMG]UHF_Video_Modulator_E310.gif02-Jan-2024 06:57 237K 
[IMG]Ultrasonic_Movement_Detector.gif02-Jan-2024 06:57 484K 
[IMG]Ultrasonic_RX-TX.gif02-Jan-2024 06:57 209K 
[IMG]Varactor_Frequency_Halver.gif02-Jan-2024 06:57 27K 
[IMG]Variable_Slope_Filter.gif02-Jan-2024 06:57 174K 
[IMG]VHF_FM_Preamp.gif02-Jan-2024 06:57 149K 
[IMG]VHF_LNA_BFT66.gif02-Jan-2024 06:57 181K 
[IMG]VHF_VCO_BF900.gif02-Jan-2024 06:57 111K 
[TXT]Homebrew_RF_Circuit_Design_Ideas.htm02-Jan-2024 06:58 1.1M