Index of /v/va3iul//Homebrew_RF_Circuit_Design_Ideas

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[ICO]NameLast modifiedSizeDescription
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[IMG]x8_Frequency_Multiplier_with_Idler_DC8UG.gif05-Feb-2011 14:42 56K 
[IMG]uStrip_to_Coplanar-Stripline_Balun.gif31-Mar-2018 13:28 19K 
[IMG]uStrip_Bias_Tee_with_Radial_Stubs.gif16-Mar-2012 18:27 26K 
[IMG]mmWave_Single_Balanced_Diode_Mixer_Radial_Stub.gif27-Sep-2016 17:42 85K 
[IMG]mmWave_GaAsFET_uStrip_Mixer.gif05-Apr-2020 07:27 8.8K 
[IMG]dB-Linear_S-meter.gif06-Jun-2018 08:31 153K 
[IMG]back.gif29-Nov-2009 03:31 2.2K 
[IMG]Zero_Crossing_Level_Detector.gif25-May-2014 08:09 10K 
[IMG]Zero_Beat_Indicator_LM567_LA3ZA.gif05-Apr-2020 07:28 56K 
[IMG]Zero-Beat_Tuning_LM567_N5FC.gif05-Apr-2020 07:28 43K 
[IMG]Zenner_Emulator_WA5EKA.gif20-May-2014 16:54 29K 
[IMG]Z-match_for_QRP_PA0CMU.gif06-Jun-2018 08:33 95K 
[IMG]Z-Match_for_QRP_DF7BL.gif23-Aug-2014 14:58 135K 
[IMG]Z-Match_Tuner_for_QRP_K5TD.gif29-Mar-2015 14:18 41K 
[IMG]Z-Match_Antenna_Tuner_PD7MAA.gif04-Nov-2017 03:55 197K 
[IMG]Yaesu_Safe_Interface_IK2BCP.gif16-Oct-2012 16:10 68K 
[IMG]Yaesu_CAT_Interface_DK7IN.gif16-Oct-2012 16:10 42K 
[IMG]XOR_Phase_Detector.gif14-Feb-2013 17:14 7.4K 
[IMG]XCR-30_SW_SSB-AM_Receiver.gif22-Aug-2011 07:09 496K 
[IMG]X-tal_VHF_FM_Transmitter.gif29-Nov-2009 03:42 15K 
[IMG]X-tal_LO_60dB_Harmonic_Suppression.gif24-Nov-2012 08:09 61K 
[IMG]X-band_K-band_Ka-band_Signal_Source.gif05-Sep-2020 10:53 13K 
[IMG]X-band_GaAsFET_Mixer.gif05-Sep-2020 10:53 9.7K 
[IMG]X-Ray_Photometer.gif08-Feb-2022 16:32 5.8K 
[IMG]X-Pahse-II_Noise_Killer_DG0KW.gif21-Feb-2014 17:40 26K 
[IMG]X-Band_MESFET_VCO.gif11-Dec-2015 14:18 22K 
[IMG]Woodpecker_Noise_Blanker_DJ2LR.gif22-Jul-2014 10:42 51K 
[IMG]Wobbulator_1Hz_40MHz_DC2MR.gif19-Jan-2011 17:02 91K 
[IMG]Wires_Detector_CS209.gif30-Dec-2017 12:55 18K 
[IMG]Wireless_IR_Headphone_RX-TX_4046.gif08-Jul-2014 06:11 158K 
[IMG]Wireless_AM_Microphone.gif29-Nov-2009 03:42 11K 
[IMG]Windom_Balun_2kW_HF_OH7SV.gif04-Oct-2012 12:37 47K 
[IMG]Wilkinson_Spliters_Coax_Cables.gif05-Sep-2020 10:53 195K 
[IMG]Wilkinson_Divider_Versions.gif06-Oct-2010 13:31 34K 
[IMG]Widerange_VCXO_W7ZOI.gif01-Dec-2009 16:59 71K 
[IMG]Widerange_3-Modes_Capacimeter.gif25-Jun-2014 04:15 55K 
[IMG]Wideband_pHEMT_LNA_W6PQL.gif29-Nov-2009 03:42 9.0K 
[IMG]Wideband_Wilkinson_Splitter.gif11-Jan-2014 17:17 10K 
[IMG]Wideband_VCOs.gif24-Jan-2021 17:08 28K 
[IMG]Wideband_Temp_Independent_Noise_Source.gif11-Feb-2012 16:59 56K 
[IMG]Wideband_Stable_Franklin_LO.gif11-Dec-2015 14:18 11K 
[IMG]Wideband_Scanner_Active_Antenna.gif11-Feb-2012 16:58 24K 
[IMG]Wideband_Ring_Mixer_DL3WR.gif31-Jan-2011 06:13 64K 
[IMG]Wideband_Marker_Gen_G4RAW.gif06-Jun-2018 08:33 54K 
[IMG]Wideband_L-transformer_VCO.gif11-Dec-2015 14:18 18K 
[IMG]Wideband_JFETs_LNAs_N6DC.gif08-Jul-2014 06:11 45K 
[IMG]Wideband_High-IP3_Push-Pull_LNA_ASL552.gif04-Apr-2014 12:42 46K 
[IMG]Wideband_FM_Demodulator_DC2CS.gif19-Jan-2011 17:02 100K 
[IMG]Wideband_Discrete_Squarer_Wenzel.gif04-Oct-2012 12:37 3.8K 
[IMG]Wideband_AGC_Amp_MC1496.gif04-Apr-2014 12:42 27K 
[IMG]Wideband_180-deg_Power_Divider.gif21-Apr-2011 15:30 32K 
[IMG]Wide_Band_Amplifiers.gif29-Mar-2011 05:42 122K 
[IMG]WideBandwidth_Cell_Phone_Jammer.gif22-Apr-2016 15:39 65K 
[IMG]WideBand_PLL_CD4046_YO4HFU.gif22-Apr-2016 15:39 73K 
[IMG]Wide-Range_Capacimeter_F6DQM.gif05-Jul-2018 04:59 77K 
[IMG]Wide-Range_Ant_Tuner_SWR-meter_VE1TG.gif26-Mar-2012 16:54 225K 
[IMG]Wide-Band_VCO_Saturated_Core_Reactor.gif19-Oct-2017 16:03 70K 
[IMG]White_Noise_Generator_VE3WWG.gif11-Jan-2014 17:17 12K 
[IMG]Whip_Ant_Re-Entrant_Cavities.gif03-Aug-2014 09:39 51K 
[IMG]Wheatstone_Video_Discriminator_and_Amp_W4UCH.gif15-Nov-2014 17:46 16K 
[IMG]Wheatstone-Bridge_as_Combiner-Splitter_DC4KU.gif06-May-2011 07:41 26K 
[IMG]Weiss_FM_Demodulator_F9JR.gif11-Feb-2012 16:58 103K 
[IMG]Wee_Willy_Receiver.gif31-Jul-2016 17:11 16K 
[IMG]Weaver_SSB_RX_G0UPL.gif05-Apr-2020 07:28 84K 
[IMG]Weaver_SSB_Generator.gif15-Jun-2012 06:07 210K 
[IMG]Weaver_IQ_Mod-Demod_DK7JD.gif07-Jan-2011 14:04 102K 
[IMG]Weather_Satellite_Converter.gif18-Jan-2011 14:20 34K 
[IMG]Waveguide_Transistions.gif16-Nov-2010 05:41 31K 
[IMG]Waveguide_Microwave_Mixer.gif22-Apr-2016 15:39 124K 
[IMG]Waveguide_Detectors.gif24-Jan-2021 17:08 50K 
[IMG]Waveguide_Coaxial_Detector.gif24-Jan-2021 17:08 17K 
[IMG]WWV_WWVH_CHU_RX.gif17-Jun-2014 11:41 132K 
[IMG]WWV_Regen_RX_WA5SNZ.gif25-May-2014 08:09 14K 
[IMG]WWV_HF_Receiver.gif27-Jan-2012 16:16 261K 
[IMG]WWV-CHU_RX_TCA440.gif19-Oct-2019 15:00 74K 
[IMG]WSPR_TX_F4GOH.gif01-Oct-2021 04:47 237K 
[IMG]WLAN_Finder.gif01-Feb-2023 07:31 37K 
[IMG]WBFM_FLL_TX.gif05-Sep-2020 10:53 37K 
[IMG]WARC_VFO_G3TSO.gif06-Oct-2010 13:31 107K 
[IMG]WARC_Bands_RX_Converter_LA8AK.gif05-Jul-2018 04:59 91K 
[IMG]Voltage_to_Frequency_Converter_AD639.gif27-Nov-2013 17:35 103K 
[IMG]Voltage_to_Frequency_Converter.gif04-Apr-2014 12:42 150K 
[IMG]Voltage_Probe_Antenna_Preamp_VE7BPO.gif01-Dec-2009 16:59 44K 
[IMG]Voltage_Mirror_Buck-Boost_PS.gif19-Oct-2019 15:00 127K 
[IMG]Voltage_Controlled_Waveform_Generator.gif25-May-2014 08:09 18K 
[IMG]Voltage_Controlled_Phase_Shifter.gif01-Feb-2023 07:31 40K 
[IMG]Voltage_Controlled_Noise_Generator_LA8AK.gif31-Mar-2018 13:28 8.3K 
[IMG]Voltage_Controled_Resistor_Mixer_BS170.gif25-Apr-2018 07:30 32K 
[IMG]Voltage-to-Frequency_Converter_.gif20-Jan-2012 19:12 102K 
[IMG]Volks_RTTY_Interface_K7SZL.gif08-Feb-2022 16:32 72K 
[IMG]VolksRTTY_HamCOMM_Interface_K7SZL.gif29-Aug-2013 16:11 68K 
[IMG]Voice_Level_Meter.gif29-Nov-2009 03:42 66K 
[IMG]Voice_Compressor_with_Filter.gif18-Mar-2011 14:59 118K 
[IMG]Voice_Clipper_LPF_WB6VMI.gif29-Aug-2013 16:11 15K 
[IMG]Voice_Balancing_Audio_Clipper_WB6VMI.gif08-Feb-2022 16:32 15K 
[IMG]Voice_5band_Equalizer.gif18-Jan-2011 14:20 27K 
[IMG]Video_Modulator_W0MZL.gif31-Mar-2018 13:28 13K 
[IMG]Video_Modulator_40673.gif02-Dec-2017 14:33 74K 
[IMG]Video_Audio_TV_TX.gif29-Nov-2009 03:42 59K 
[IMG]Video_Amplifier_uA733.gif05-Sep-2020 10:53 29K 
[IMG]Vibroplex_Bug_Emulator_W4LJD.gif20-Jan-2012 19:12 167K 
[IMG]Vibro-debugger_Keyer_WB9VGE.gif01-Oct-2021 04:47 378K 
[IMG]Very_Wideband_Push-Push_VCO.gif11-Dec-2015 14:18 24K 
[IMG]Very_Wideband_Push-Push_BJT_VCO.gif29-Jan-2014 14:38 16K 
[IMG]Very_Wideband_FET_VCO.gif29-Jan-2014 14:38 26K 
[IMG]Very_Wideband_BJT_VCO.gif29-Jan-2014 14:38 29K 
[IMG]Very_Stable_X-tal_JFET_LO.gif07-Sep-2012 04:11 4.7K 
[IMG]Very_Simple_Two-IC_DCR.gif18-Jan-2011 14:20 11K 
[IMG]Very_Simple_Oscilloscope_K8JWR.gif22-Jan-2012 16:50 426K 
[IMG]Very_Simple_Audio_Filters_W4NVK.gif19-May-2014 17:36 22K 
[IMG]Very_Narrow_X-tal_Filter_DJ2LR.gif17-Jun-2014 11:41 45K 
[IMG]Very_Low_Power_CMOS_Keyer_K1HOP.gif06-Sep-2014 13:49 16K 
[IMG]Very_Low_PN_Crystal_LO_Wenzel.gif29-Nov-2009 03:41 39K 
[IMG]Very_Low_Noise_Audio_Preamp_ZTX853.gif24-Jan-2021 17:08 88K 
[IMG]Very_Low_Noise-Jitter_Phase_Detector.gif09-Jan-2011 10:36 18K 
[IMG]Very_Low_Frequency_RX_WA8SME.gif18-Sep-2011 12:38 21K 
[IMG]Very_Low_Frequency_Converter.gif29-Nov-2009 03:41 60K 
[IMG]Very_Low_Distortion_AM_Det_DJ2LR.gif17-Jun-2014 11:41 9.9K 
[IMG]Very_Low_Dist_50W_MOSFET_Audio_PA.gif19-Oct-2017 12:12 25K 
[IMG]Very_Low_DC_Current_AM_RX.gif16-Feb-2018 05:22 82K 
[IMG]Very_High_Impedance _Meter.gif01-Jun-2014 12:10 35K 
[IMG]Vert_Ant_Array_Pattern.gif16-Feb-2018 05:22 330K 
[IMG]Various_Transmission_Lines_and_Waveguides.gif05-Sep-2011 06:27 29K 
[IMG]Various_Symmetrical_X-tal_Ladder_Filters.gif28-Apr-2015 03:50 102K 
[IMG]Various_Noise_Canceller_Circuits_DK6ED.gif09-Dec-2018 15:33 114K 
[IMG]Various_Microstrip_Resonators.gif08-Mar-2013 19:03 15K 
[IMG]Various_Ladder_Crystal_Filters_S54S.gif19-Jan-2011 17:02 182K 
[IMG]Various_Folded_Dipoles_Impedances.gif21-Aug-2018 04:32 8.4K 
[IMG]Various_BALUNs.gif02-Dec-2017 14:33 241K 
[IMG]Varicap_Tuned_Dip_Meter_W6GXN.gif03-Aug-2014 09:38 20K 
[IMG]Variable_Quartz_Filter.gif18-Jul-2010 11:26 67K 
[IMG]Variable_PIN_attenuator_20dB.gif29-Nov-2009 03:41 20K 
[IMG]Variable_IF_Selectivity_Unit_G3ROO.gif06-Jun-2018 08:33 148K 
[IMG]Variable_Gain_IF_Amplifiers.gif03-Feb-2012 03:11 67K 
[IMG]Variable_Gain_Amplifier_Pentode_Eq.gif30-Dec-2017 12:55 8.8K 
[IMG]Variable_Gain_Amplifier_100dB_Range.gif11-Dec-2015 14:18 10K 
[IMG]Variable_Duty_Cycle_Pulse_Shaper_Circuits_N7ZVY.gif23-Aug-2014 14:58 23K 
[IMG]Variable_Delay_Circuit.gif12-Jul-2012 06:12 76K 
[IMG]Variable_Dash_Length_Keyer_WA5TRS.gif25-May-2014 08:09 12K 
[IMG]Variable_Crystal_Resonator_LO_K2BLA.gif21-Feb-2010 21:59 10K 
[IMG]Variable_Controlled_Crystal_LO_WA1HVG.gif10-Apr-2012 05:29 106K 
[IMG]Variable_CW_Filter_LF356_KB0CY.gif06-Sep-2014 13:49 15K 
[IMG]Variable_CW_Filter_Amplifier.gif29-Nov-2009 03:41 38K 
[IMG]Variable_CW_Bandpass_Filter.gif29-Nov-2009 03:41 43K 
[IMG]Variable_Bandwidth_X-tal_Filter_LA7MI.gif07-Jan-2011 14:04 43K 
[IMG]Variable_BW_X-tal_Filter_G3UUR.gif14-Dec-2009 11:52 60K 
[IMG]Variable_BW_BPF_Single_X-tal_DL9LX.gif05-Jul-2018 04:59 53K 
[IMG]Variable_Audio_Notch_Filter_K4VIZ.gif18-Mar-2011 14:59 75K 
[IMG]Variable_600Hz-1kHz_X-tal_Filter_DL2TM.gif18-Jan-2011 14:20 35K 
[IMG]Variable_20A_PS.gif20-Jan-2012 19:12 121K 
[IMG]Variable-Q_Filter_W1SNN.gif25-May-2014 08:09 14K 
[IMG]Varactor_vs_Transductor_Tuning.gif08-Feb-2022 16:32 21K 
[IMG]Varactor_Tuned_Phase_Modulators.gif29-Jan-2014 14:38 10K 
[IMG]Varactor_Tripler.gif29-Nov-2009 03:41 11K 
[IMG]Varactor_Reactance_Modulator.gif19-Jan-2014 10:09 13K 
[IMG]Varactor_Frequency_Tripler.gif05-Apr-2020 07:28 7.6K 
[IMG]Varactor_Diodes_from_Rectifiers_W6WTU.gif12-Oct-2014 10:36 25K 
[IMG]VXOs_Schematics.gif29-Nov-2009 03:42 9.6K 
[IMG]VXO_for_144MHz_TRX_DB3TB.gif20-Feb-2011 11:29 136K 
[IMG]VXO_and_Inductor_Calculation_W1FB.gif15-Nov-2014 17:46 26K 
[IMG]VXO_Variable_Crystal_Oscillator.gif29-Nov-2009 03:42 10K 
[IMG]VXO_10MHz.gif29-Nov-2009 03:42 15K 
[IMG]VSWR_meter_Resistive-Cap_Divider.gif10-Dec-2017 08:38 108K 
[IMG]VSWR_Protection.gif05-Sep-2020 10:53 142K 
[IMG]VOX_and_CW_Break-In_W9KIT.gif20-May-2014 16:54 14K 
[IMG]VOX_Circuit.gif29-Nov-2009 03:42 5.6K 
[IMG]VLF_to_10MHz_Converter_W3QVZ.gif23-Jun-2012 17:27 145K 
[IMG]VLF_to_3GHz_Diode_Detector.gif24-Jan-2021 17:08 21K 
[IMG]VLF_Whistler_RX.gif28-Oct-2010 08:42 41K 
[IMG]VLF_Tuner_and_Preamp.gif19-Jul-2012 13:26 34K 
[IMG]VLF_Trafalgar_RX_EI3CY.gif21-Aug-2018 04:32 58K 
[IMG]VLF_SSB_RX_NE612.gif31-Jul-2016 17:11 62K 
[IMG]VLF_SDR_K1QW.gif27-Nov-2013 17:35 412K 
[IMG]VLF_RX_Solar_Flares_W2AXU.gif21-Aug-2018 04:32 106K 
[IMG]VLF_Pulse_TX.gif17-Jan-2014 06:23 83K 
[IMG]VLF_Protected_Preamp.gif08-Jul-2014 06:11 20K 
[IMG]VLF_Preamplifier_WB6IGP.gif20-Jan-2012 19:12 54K 
[IMG]VLF_Noise_Canceller_GW4ALG.gif15-Nov-2014 17:46 85K 
[IMG]VLF_MOSFET_LNAs_Noiseless_Feedback_Notch.gif20-Sep-2014 03:38 24K 
[IMG]VLF_Loop_Ant_LNA_G3LNP.gif15-Nov-2014 17:46 66K 
[IMG]VLF_Loop_Ant_LNA_F6CNI.gif15-Nov-2014 17:46 71K 
[IMG]VLF_Front-End_Converter_G3PVH.gif06-Jun-2018 08:33 40K 
[IMG]VLF_Electro-mechanical_RX_M0BMU.gif21-Aug-2018 04:32 17K 
[IMG]VLF_15W_Transmitter.gif29-Nov-2009 03:42 73K 
[IMG]VLF_14MHz_1496_RX_Converter_G4GVC.gif15-Nov-2014 17:46 70K 
[IMG]VLF-to-VHF_Active_Antenna_DB1NV.gif29-Mar-2011 05:42 83K 
[IMG]VLF-to-80m_RX_Converter_WD4PLI.gif26-Mar-2012 16:54 274K 
[IMG]VLF-ULF_Survey_Probe_VK2ZAY.gif29-Nov-2009 03:42 26K 
[IMG]VLF-LF_Noiseless_Feedback_LNA_J310.gif20-Sep-2014 03:38 24K 
[IMG]VHF_to_1296MHz_Up-Converter.gif29-Nov-2009 03:42 22K 
[IMG]VHF_Wireless_Marker_Generator_W4JAZ.gif20-May-2014 16:53 34K 
[IMG]VHF_Wideband_Gain-15dB_LNA.gif24-Nov-2012 08:09 149K 
[IMG]VHF_Wattmeter.gif29-Nov-2009 03:42 42K 
[IMG]VHF_Video-Audio_TX_Modulator_NJM2519A.gif19-Jul-2015 11:55 17K 
[IMG]VHF_Varicap_Tuned_LNA_GW0GHF.gif06-Jun-2018 08:33 111K 
[IMG]VHF_VXO.gif30-Dec-2017 12:55 15K 
[IMG]VHF_TRX_FM_DF5FC.gif29-Nov-2009 03:42 101K 
[IMG]VHF_Superregenerative_Receiver_VK2ZAY.gif29-Nov-2009 03:42 50K 
[IMG]VHF_Superregenerative_RX.gif29-Nov-2009 03:42 13K 
[IMG]VHF_Superregen_RX_G4DTC.gif21-Aug-2018 04:32 21K 
[IMG]VHF_Superregen_RX.gif03-Feb-2014 07:29 58K 
[IMG]VHF_Superreg_RX_with_Squelch_N1TEV.gif30-Nov-2009 07:17 52K 
[IMG]VHF_Super-reaction_RX.gif07-Nov-2017 16:11 17K 
[IMG]VHF_Super-Regen_RX_ZL3VN.gif11-Feb-2012 16:58 158K 
[IMG]VHF_SSB_TRX_G4CLF.gif14-Feb-2013 17:14 315K 
[IMG]VHF_RX_MC3361_FC1ASK.gif05-Apr-2020 07:28 253K 
[IMG]VHF_RX_Converter_W8RHR.gif09-Mar-2012 09:09 608K 
[IMG]VHF_PLL_MC145151_G3VML.gif06-Jun-2018 08:33 191K 
[IMG]VHF_OCXO_W6PQL.gif29-Nov-2009 03:42 23K 
[IMG]VHF_Noise_Impedance_Bridge_OE2APM.gif20-Sep-2014 03:38 37K 
[IMG]VHF_Modulated_Signal_Source_F3LG.gif21-Aug-2018 04:32 63K 
[IMG]VHF_MOSFET_BF981_LNA.gif23-Aug-2014 14:58 148K 
[IMG]VHF_Low_Voltage_Regen_RX_WA5SNZ.gif25-May-2014 08:09 79K 
[IMG]VHF_LNA_WA4WDK.gif10-Apr-2012 05:29 96K 
[IMG]VHF_LC-resonance_indicator.gif28-Oct-2010 12:37 50K 
[IMG]VHF_Gain-30dB_Cascode_LNA.gif24-Nov-2012 08:09 234K 
[IMG]VHF_Gain-20dB_Dual-Gate_LNA.gif24-Nov-2012 08:09 169K 
[IMG]VHF_Field_Strength_Meter_JFET.gif24-Jan-2021 17:08 37K 
[IMG]VHF_Feedback_LNA_W1OOP.gif25-May-2014 08:09 7.8K 
[IMG]VHF_FM_Superhet_RX_WA2GCF.gif23-May-2014 10:05 177K 
[IMG]VHF_FM_Signal_Generator.gif29-Nov-2009 03:42 22K 
[IMG]VHF_FM_RX_SL6640_F6DTA.gif02-Dec-2017 14:33 213K 
[IMG]VHF_FM_RX_PY2MG.gif29-Nov-2009 03:42 44K 
[IMG]VHF_FM_RX_DF1FO.gif29-Nov-2009 03:42 152K 
[IMG]VHF_FET_Preselector_K6BIJ.gif23-May-2014 10:05 16K 
[IMG]VHF_DCR_J310.gif07-Nov-2017 16:11 31K 
[IMG]VHF_Coaxial_Stub_Filter_W6SAI.gif20-May-2014 16:53 36K 
[IMG]VHF_Class-E_PA.gif29-Nov-2009 03:41 12K 
[IMG]VHF_Cascode_LNA_BF255.gif23-Aug-2014 14:58 183K 
[IMG]VHF_Beacon.gif29-Nov-2009 03:41 8.4K 
[IMG]VHF_Audible_Field_Meter.gif16-Feb-2018 05:22 59K 
[IMG]VHF_All-Mode_Superhet_RX_W1SNN.gif25-May-2014 08:09 175K 
[IMG]VHF_Active_Attenuator_Fox_Hunting_PA0ZR.gif07-Jan-2013 18:42 18K 
[IMG]VHF_Active_Antenna.gif24-Sep-2010 12:21 89K 
[IMG]VHF_900W_PA_ARF476L.gif04-Apr-2014 12:42 31K 
[IMG]VHF_300W_PA_IDM175CW300.gif09-Dec-2018 15:33 84K 
[IMG]VHF_300W_MRF151G_PA.gif07-Sep-2012 04:11 72K 
[IMG]VHF_300W_DMOS_Push-Pull_PA.gif06-Oct-2010 13:31 52K 
[IMG]VHF_220MHz_LNA_BFG65.gif23-Aug-2014 14:58 183K 
[IMG]VHF_200mW_PM_TX_K2BLA.gif20-May-2014 16:53 81K 
[IMG]VHF_150W_MOSFET_PA.gif29-Nov-2009 03:41 47K 
[IMG]VHF_150W_DMOS_PA.gif06-Oct-2010 13:31 38K 
[IMG]VHF_80W_FM_PA.gif30-Nov-2009 07:17 48K 
[IMG]VHF_70W_PA_RD70HVF1.gif19-Jun-2013 16:49 29K 
[IMG]VHF_50W_FM_PA.gif10-Apr-2012 05:29 5.1K 
[IMG]VHF_30W_PA.gif29-Nov-2009 03:41 45K 
[IMG]VHF_25W_SSB_PA.gif02-Dec-2017 14:33 34K 
[IMG]VHF_10W_FM_PA.gif02-Dec-2017 14:33 125K 
[IMG]VHF_2W_FM_TX_WA0UZO.gif20-May-2014 16:53 106K 
[IMG]VHF_2W_FM_TX.gif07-Nov-2017 16:11 74K 
[IMG]VHF_2-FET_Tunable_LNA_WA9RAQ.gif25-May-2014 08:09 21K 
[IMG]VHF_1-BJT_PAs_WA7KRE.gif19-May-2014 17:36 31K 
[IMG]VHF-UHF_to_10m_Converters_WB2AGV.gif23-Jun-2012 17:26 497K 
[IMG]VHF-UHF_Signal_Source_W6WTU.gif22-Jan-2012 16:50 166K 
[IMG]VHF-UHF_Power-SWR_Meter_W1FB.gif31-Jul-2016 17:11 98K 
[IMG]VHF-UHF_Noise_Source_DB2GM.gif20-Feb-2011 11:29 23K 
[IMG]VHF-UHF_GaAs_LNA_W3KKC.gif29-Nov-2009 03:41 34K 
[IMG]VHF-UHF_Broadband_100W_Class-AB_PA.gif29-Nov-2009 03:41 127K 
[IMG]VFX_24MHz-24.3MHz_DL3WR.gif31-Jan-2011 06:13 132K 
[IMG]VFO_with_PLL_DL6WD.gif30-Dec-2017 12:55 49K 
[IMG]VFO_with_IQ_Output.gif29-Mar-2011 05:42 64K 
[IMG]VFO_Temperature_Controller.gif01-Jan-2011 14:52 26K 
[IMG]VFO_Temperature-Controller_W0IYH.gif07-Jan-2013 18:42 39K 
[IMG]VFO_Stabilizer_ver.1_PA0KSB.gif27-Nov-2013 17:35 33K 
[IMG]VFO_Stabilizer_PY2MG.gif20-Apr-2012 04:25 34K 
[IMG]VFO_Stabilizer_PA0KSB.gif28-Oct-2010 08:42 274K 
[IMG]VFO_Stabilizer_PA0CMU.gif29-Nov-2009 03:41 41K 
[IMG]VFO_Stabilizer_DL1BT.gif18-Jan-2011 14:20 36K 
[IMG]VFO_Stabilizer_DK3SP.gif22-Jan-2011 15:20 133K 
[IMG]VFO_Stabilizer_DC4KU.gif23-Jun-2012 17:26 209K 
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[IMG]High_IP3_HF_LNA.gif29-Nov-2009 03:35 24K 
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[IMG]HF_DCR_VU2UPX.gif29-Nov-2009 03:34 92K 
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[IMG]HF_15W_Linear_PA_W7ZOI.gif31-Jan-2014 15:58 177K 
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[IMG]HF_10W_PA_KD1JV.gif01-Dec-2009 16:58 163K 
[IMG]HF_10W_PA_DL6GL.gif21-Apr-2013 06:59 110K 
[IMG]HF_10W_MRF475_PA_W1FB.gif11-Mar-2014 15:51 34K 
[IMG]HF_7W_PA_ON6MU.gif29-Nov-2009 03:34 14K 
[IMG]HF_6W_PA_W7ZOI.gif31-Jan-2014 15:58 130K 
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[IMG]Gunn_Proximity_Detector.gif18-Feb-2014 04:52 117K 
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[IMG]1296MHz_LNA_F1JGP.gif29-Nov-2009 03:16 47K 
[IMG]1296MHz_LNA_DJ1EE.gif31-Jan-2011 06:10 63K 
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[IMG]1296MHz_DB-Mixer_WA6UAM.gif29-Nov-2009 03:16 108K 
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[IMG]1296GHz_VLNA_G4DDK.gif29-Nov-2009 03:15 56K 
[IMG]1294MHz-144MHz_RX_Converter.gif29-Nov-2009 03:15 36K 
[IMG]1268MHz_Signal_Source_DF8QK.gif06-Aug-2013 11:36 278K 
[IMG]1267MHz_Signal_Source_W6FZJ.gif29-Nov-2009 03:15 27K 
[IMG]1255MHz_ATV_RX_F5RDH.gif27-Nov-2013 17:34 208K 
[IMG]1240MHz_0.5W_Amp_I1KFH.gif26-Feb-2015 11:17 39K 
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[IMG]1200GHz_LO_DG4RBF.gif19-Jan-2011 17:01 48K 
[IMG]1152MHz_VCO_WA9HUV.gif20-Sep-2014 03:37 18K 
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[IMG]1152MHz_Signal_Source_F6BCU.gif29-Nov-2009 03:15 223K 
[IMG]1152MHz_Signal_Source_DC8NR.gif05-Feb-2011 14:41 430K 
[IMG]1152MHz_Signal_Source_DC0DA.gif05-Feb-2011 14:41 202K 
[IMG]1152MHz_Signal_Source_DB6NT.gif16-Jun-2013 12:43 39K 
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[IMG]1152MHz-1296MHz_Signal_Source.gif10-Feb-2014 18:27 60K 
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[IMG]1150-1152MHz_Signal_Source.gif29-Nov-2009 03:15 34K 
[IMG]1136MHz_to_10224MHz_Multiplier_F8BCU.gif10-Dec-2017 08:35 282K 
[IMG]1136MHz_Interdigital_Filter.gif02-Dec-2017 14:31 35K 
[IMG]1136MHz_3W_Signal_Source.gif02-Dec-2017 14:31 172K 
[IMG]1108MHz_LO_K0JB.gif27-Feb-2012 14:55 110K 
[IMG]1104MHz_LO_W6PQL.gif29-Nov-2009 03:15 17K 
[IMG]1100MHz-1350MHz_VCO.gif29-Nov-2009 03:15 9.2K 
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[IMG]950MHz_Linear-Phase_uStrip_BPF.gif16-Mar-2012 18:27 21K 
[IMG]950MHz-2150MHz_LNA.gif29-Nov-2009 03:29 27K 
[IMG]925MHz_Differential_VCO.gif11-Dec-2015 14:17 34K 
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[IMG]902MHz_Signal_Source.gif29-Nov-2009 03:29 32K 
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[IMG]900MHz_Signal_Source_W6PQL.gif29-Nov-2009 03:29 24K 
[IMG]900MHz_LNA_BFG505.gif29-Nov-2009 03:29 7.1K 
[IMG]900MHz_Integrated_Cascode_LNA.gif29-Nov-2009 03:29 66K 
[IMG]900MHz_High_Linearity_pHEMT_LNA.gif29-Nov-2009 03:29 14K 
[IMG]900MHz_G-22dB_NF-1.9dB_BJT_LNA.gif29-Nov-2009 03:29 49K 
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[IMG]900MHz_BJT_LNA.gif29-Nov-2009 03:29 21K 
[IMG]900MHz_BJT_Gilbert_Mixer.gif29-Nov-2009 03:29 19K 
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[IMG]868.3MHz_to_144MHz_TRV_F1JGP.gif29-Nov-2009 03:29 46K 
[IMG]855MHz-890MHz_Coaxial-Resonator_VCO.gif09-Jan-2011 10:36 28K 
[IMG]825MHz_CQ_uStrip_BPF.gif16-Mar-2012 18:26 28K 
[IMG]820MHz_Dual-Mode_Fractal_uStrip_BPF.gif16-Mar-2012 18:26 56K 
[IMG]820MHz_2120MHz_Push-Pull_VCO.gif29-Nov-2009 03:29 17K 
[IMG]800MHz_Very_Low_Phase_Noise_VCO.gif29-Nov-2009 03:28 40K 
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[IMG]800MHz_Phone_Jammer.gif17-May-2016 13:55 91K 
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[IMG]800MHz_LNA_BF998.gif30-Dec-2017 12:54 15K 
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[IMG]800MHz_1000MHz_BJT_LNA.gif29-Nov-2009 03:28 22K 
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[IMG]750MHz_Push-Push_Oscillator.gif29-Nov-2009 03:27 44K 
[IMG]750MHz_1250MHz_VCO.gif29-Nov-2009 03:27 20K 
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[IMG]700MHz_Low-Phase-Noise_LO.gif17-Sep-2011 17:41 35K 
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[IMG]639MHz-to-2556MHz_Freq_Multiplier_W1VT.gif10-Apr-2012 05:28 94K 
[IMG]600kHz-60MHz_Signal_Gen_TDA1072_DD0RQ.gif21-Apr-2013 06:59 39K 
[IMG]600kHz-12MHz_Modulated_Sig_Gen_W6GXN.gif25-May-2014 08:08 22K 
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[IMG]600MHz_2.2GHz_VCO.gif29-Nov-2009 03:27 23K 
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[IMG]576MHz_Signal_Source_YU3UMV.gif22-Feb-2011 10:46 133K 
[IMG]567MHz_SAW_Oscillator.gif29-Nov-2009 03:27 13K 
[IMG]550MHz-1300MHZ_SA.gif05-Sep-2020 10:48 323K 
[IMG]540MHz_Signal_Source_W2CQH.gif19-Jan-2014 10:09 35K 
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[IMG]500kHz_LO_Based_on_X-tal_Difference.gif13-Jun-2014 08:56 7.4K 
[IMG]500kHz_Buffer_X-tal_LO.gif05-Oct-2012 09:26 26K 
[IMG]500kHz_500W_Class-E_IRFP452_PA_G4JNT.gif10-Feb-2014 18:27 38K 
[IMG]500kHz-30MHz_Regen_RX.gif03-Feb-2014 07:28 16K 
[IMG]500kHz-30MHz_Ant_Tuner.gif18-Jul-2010 11:26 74K 
[IMG]500kHz-22MHz_DRM_RX.gif03-Feb-2014 07:28 42K 
[IMG]500kHz-3GHz_LED_Field-Strength_Meter.gif29-Nov-2009 03:26 464K 
[IMG]500W_Toroidal_Antenna_Tuner_WB2ZSH.gif19-Oct-2017 12:10 151K 
[IMG]500MHz_Prescaler_11C90.gif18-Jan-2011 14:20 22K 
[IMG]500MHz_LogDet_DJ8ES.gif29-Nov-2009 03:26 21K 
[IMG]500MHz_LO_MMBTH10.gif22-Apr-2016 15:38 15K 
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[IMG]500MHz_50W_Class-F_PA_RD60HUF1.gif08-Feb-2022 16:31 13K 
[IMG]500MHz_15W_DMOSFET_PA.gif06-Oct-2010 13:30 27K 
[IMG]500Hz-500kHz_Ultra_Low_Noise_JFET_Amplifier.gif18-Feb-2014 04:51 12K 
[IMG]500Hz-3kHz_BPF.gif10-Dec-2017 08:37 54K 
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[IMG]480MHz-520MHz_Class-E_PA.gif08-Jan-2011 05:10 4.6K 
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[IMG]470MHz_PLL_FM_Demodulator.gif29-Nov-2009 03:25 45K 
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[IMG]455kHz_X-tal_LO.gif09-Jan-2011 10:36 7.4K 
[IMG]455kHz_Wobbulator.gif11-Feb-2012 16:58 143K 
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[IMG]455kHz_Ceramic_Filter_BFO_G8SEQ.gif21-Aug-2018 04:29 8.9K 
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[IMG]455kHz_BFO_W1SNN.gif01-Jun-2014 12:10 6.4K 
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[IMG]455kHz_BFO.gif29-Nov-2009 03:25 3.7K 
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[IMG]455kHz_12kHz_DRM_Conv_Ceramic_LO.gif08-Mar-2013 19:03 56K 
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[IMG]453kHz_Ceramic_Filter_BFO.gif10-Dec-2017 08:37 31K 
[IMG]450kHz-to-55MHz_Flat_Gain_Amplifier.gif20-Feb-2016 17:47 270K 
[IMG]450kHz-60MHz_Signal_Gen_ZL2PD.gif12-Jul-2012 06:12 78K 
[IMG]450MHz_Signal_Source_K1CLL.gif22-Jan-2012 16:48 140K 
[IMG]450MHz_Quarter-wavelength_VCO.gif29-Nov-2009 03:25 33K 
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[IMG]448MHz_5W_PA_WA1HVG.gif10-Apr-2012 05:28 148K 
[IMG]440MHz_JFET_Preamp.gif19-Jan-2014 10:09 40K 
[IMG]440MHz_60W_PA_W2GEF.gif15-Jun-2012 06:07 222K 
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[IMG]433MHz_Lumped_Components_Balun.gif29-Nov-2009 03:25 21K 
[IMG]433MHz_Data_TRX.gif29-Nov-2009 03:25 6.6K 
[IMG]432MHz_to_1296MHz_Frequency_Tripler.gif29-Nov-2009 03:25 22K 
[IMG]432MHz_pHEMT_LNA_0.4dBNF_JH0WJF.gif29-Nov-2009 03:25 11K 
[IMG]432MHz_Transmatch_W2AIH.gif25-Apr-2018 07:30 23K 
[IMG]432MHz_Through-Line_BPF_K6RIL.gif16-May-2014 18:07 143K 
[IMG]432MHz_SSB-AM_RX_YO3AVE.gif29-Nov-2009 03:25 115K 
[IMG]432MHz_RX_Converter_DD2EK.gif29-Mar-2011 05:41 202K 
[IMG]432MHz_QRP_FM_TX.gif29-Nov-2009 03:25 32K 
[IMG]432MHz_Narrowband_LNA_F8BCU.gif10-Dec-2017 08:37 372K 
[IMG]432MHz_Narrow_BPF_FC1GOW.gif10-Dec-2017 08:37 197K 
[IMG]432MHz_MESFET_LNA_JA6CZD.gif05-Jul-2018 04:56 64K 
[IMG]432MHz_LNA_YU1AW.gif29-Nov-2009 03:25 17K 
[IMG]432MHz_LNA_W1OOP.gif23-Aug-2014 14:57 91K 
[IMG]432MHz_LNA_NE64535_WB5LUA.gif25-Jun-2014 04:14 16K 
[IMG]432MHz_LNA_MGF1402.gif29-Nov-2009 03:25 12K 
[IMG]432MHz_LNA_MA42141_K1RX.gif25-Jun-2014 04:14 8.0K 
[IMG]432MHz_LNA_F8BCU.gif10-Dec-2017 08:37 156K 
[IMG]432MHz_LNA_AF239.gif12-Aug-2012 12:19 20K 
[IMG]432MHz_Hellical_VCO_G4JNT.gif21-Aug-2018 04:29 17K 
[IMG]432MHz_Helical_Antenna.gif16-Feb-2018 05:20 139K 
[IMG]432MHz_Handheld_TRX_DB1NV.gif19-Jan-2011 17:01 405K 
[IMG]432MHz_GaAs_LNA_WA2FTK.gif12-Oct-2014 10:35 66K 
[IMG]432MHz_GaAs_LNA_OZ2OE.gif11-Jul-2012 09:01 130K 
[IMG]432MHz_GaAs_LNA_JH1BRY.gif25-Jun-2014 04:14 13K 
[IMG]432MHz_GaAs_FET_LNA_ZF5JF.gif24-Oct-2015 16:03 56K 
[IMG]432MHz_GaAs_FET_LNA_WA2ZZF.gif31-Mar-2018 13:27 31K 
[IMG]432MHz_FM_Receiver_DF2FQ.gif29-Nov-2009 03:25 32K 
[IMG]432MHz_FM_RX_SL6600.gif02-Dec-2017 14:32 242K 
[IMG]432MHz_FET_Mixers_DJ9HO.gif08-Jul-2014 06:10 26K 
[IMG]432MHz_FET_LNA_W1DTY.gif16-May-2014 18:07 13K 
[IMG]432MHz_Dual-Gate_LNA_YU1AW.gif02-Nov-2010 13:57 46K 
[IMG]432MHz_Dual-Gate_LNA_DF7KB.gif20-Feb-2011 11:29 78K 
[IMG]432MHz_Contest_LNA_HA8ET.gif16-Jun-2013 12:43 26K 
[IMG]432MHz_Cavity_Filter_W1JAA.gif08-Jun-2014 16:59 21K 
[IMG]432MHz_CW_TX.gif29-Nov-2009 03:25 20K 
[IMG]432MHz_ATV_TX_KA2CWL.gif03-Feb-2012 03:10 662K 
[IMG]432MHz_ATV_TRX_K2MQJ.gif15-Nov-2014 17:45 117K 
[IMG]432MHz_3456MHz_Freq_Multiplier_DC3QS.gif05-Feb-2011 14:42 75K 
[IMG]432MHz_1296MHz_Varactor_Tripler_WA6UAM.gif01-Jun-2014 12:10 16K 
[IMG]432MHz_144MHz_TRV_RA3RBE.gif09-Aug-2013 15:01 20K 
[IMG]432MHz_144MHz_Selective_Converter_DJ9HO.gif08-Jul-2014 06:10 30K 
[IMG]432MHz_125W_DMOS_Push-Pull_PA.gif06-Oct-2010 13:30 54K 
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[IMG]432MHz_60W_PA_K2OVS.gif31-Mar-2018 13:27 30K 
[IMG]432MHz_40W_DMOS_Push-Pull_PA.gif06-Oct-2010 13:30 42K 
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[IMG]432MHz_15W_PA_WA7CNP.gif31-Mar-2018 13:27 19K 
[IMG]432MHz_15W_PA_DJ1EE.gif31-Jan-2011 06:12 160K 
[IMG]432MHz_12W_PA_RFM12U7X.gif01-Jul-2013 04:50 20K 
[IMG]432MHz_10W_Linear_PA_WB6QXF.gif08-Jun-2014 16:59 30K 
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[IMG]432MHz-to-144MHz_Transverter.gif29-Nov-2009 03:25 77K 
[IMG]432MHz-to-144MHz_TRV_DL9JU.gif24-Mar-2011 15:53 83K 
[IMG]432MHz-to-144MHz_TRV_DF5SL.gif22-Jan-2011 15:19 73K 
[IMG]432MHz-to-144MHz_TRV_DF1JM.gif03-Jul-2012 11:09 120K 
[IMG]432MHz-to-144MHz_RX_Converter_DL9GU.gif24-Mar-2011 15:52 225K 
[IMG]432MHz-to-144MHz_RX_Converter_BFY90.gif29-Nov-2009 03:25 18K 
[IMG]432MHz-to-144MHz_RX_Conv_G8TYY.gif16-Feb-2018 05:20 115K 
[IMG]432MHz-to-144MHz_Converter_YO3BAL.gif29-Nov-2009 03:25 122K 
[IMG]432MHz-to-50MHz_TRV.gif29-Nov-2009 03:25 70K 
[IMG]432MHz-to-28MHz_TRV_KA9LNV.gif15-Nov-2014 17:45 63K 
[IMG]432MHz-to-28MHz_RX_Converter_W6IOJ.gif23-Feb-2014 14:08 45K 
[IMG]432MHz-to-28MHz_RX_Converter_N9KD.gif08-Jul-2014 06:10 225K 
[IMG]432MHz-to-28MHz_RX_Converter_DF1JM.gif03-Jul-2012 11:09 33K 
[IMG]432MHz-to-28MHz_RX_Converter_AF239.gif29-Nov-2009 03:25 105K 
[IMG]432MHz-1296MHz_pHEMT_LNA_G0MRF.gif29-Nov-2009 03:24 20K 
[IMG]432MHz-1296MHz_Varactor_Tripler_VK2TDN.gif09-Sep-2010 13:36 47K 
[IMG]432MHz-1296MHz_Varactor_Freq_tripler_K4SUM.gif16-May-2014 18:07 17K 
[IMG]432MHz-1296MHz_Signal_Source_K6RIL.gif15-May-2014 17:56 68K 
[IMG]432MHz-144MHz_RX_Converter_DL9FX.gif31-Jan-2011 06:25 122K 
[IMG]432MHz-28MHz_TRV_DJ8ES.gif16-Jan-2011 17:21 94K 
[IMG]432MHz-28MHz_RX_Converter_WA6SXC.gif15-May-2014 17:57 38K 
[IMG]432MHz-28MHz_RX_Converter_K6JC.gif19-May-2014 17:35 36K 
[IMG]432MHz-14MHz_Low_Noise_RX_Converter_W6AJF.gif15-May-2014 17:57 134K 
[IMG]430MHz_SSB_TRX_JF1OZL.gif29-Nov-2009 03:24 95K 
[IMG]430MHz_AM_TRX_JG1EAD.gif14-Nov-2010 13:58 69K 
[IMG]430MHz-to-780MHz_Tunable_Filter.gif29-Nov-2009 03:24 17K 
[IMG]422MHz_Sign_Source_W6FZJ.gif01-Jun-2014 12:10 27K 
[IMG]422-1267MHz_Diode_Tripler.gif29-Nov-2009 03:24 17K 
[IMG]420kHz-220MHz_Grid_Dip_Meter.gif23-Aug-2014 14:56 255K 
[IMG]420MHz-450MHz_100W_Push-Push_PA.gif11-Dec-2015 14:17 71K 
[IMG]404MHz_Signal_Source_W6GXN.gif20-May-2014 16:53 20K 
[IMG]404MHz_Signal_Source_DC8RI.gif21-Apr-2013 06:59 209K 
[IMG]404MHz_LO_AA5C.gif29-Nov-2009 03:23 53K 
[IMG]400kHz-500kHz_Slow-Scan_Wobbulator_G3GKG.gif21-Aug-2018 04:29 38K 
[IMG]400kHz-150MHz_Dip_Meter_N1AL.gif21-Aug-2018 04:29 31K 
[IMG]400kHz-60MHz_5W_PA_DJ0ABR.gif05-Apr-2020 07:27 43K 
[IMG]400kHz-33MHz_Signal-Gen_N2DCH.gif09-Mar-2012 09:07 246K 
[IMG]400kHz-30MHz_Low_Noise_X-tal_LO_DJ2LR.gif25-Jun-2014 04:14 15K 
[IMG]400MHz_Tunel_Diode_LO.gif07-Nov-2017 16:09 13K 
[IMG]400MHz_MOSFET_LO.gif11-Dec-2015 14:17 22K 
[IMG]400MHz_LNA_BFG540.gif29-Nov-2009 03:23 27K 
[IMG]400MHz_JFET_VCO_J310.gif19-Oct-2017 12:10 30K 
[IMG]400MHz_520MHz_8W_PA.gif29-Nov-2009 03:23 120K 
[IMG]400MHz-to-1900MHz_VCO_DB1NV.gif29-Mar-2011 05:41 102K 
[IMG]400MHz-to-800MHz_Gain-30dB_Preamplifier.gif29-Nov-2009 03:23 25K 
[IMG]400MHz-500MHz_Source_Dipper_WB0ESV.gif15-Jun-2012 06:07 77K 
[IMG]400Hz_30MHz_Single-Span_Gen_ZL2PD.gif12-Jul-2012 06:12 44K 
[IMG]400Hz-1.8kHz_CW_Regenerator_W3BYM.gif22-Jul-2014 10:41 37K 
[IMG]398MHz-440MHz_PLL_FM-TRX.gif27-Sep-2016 17:42 26K 
[IMG]384MHz_Signal_Source_F8BCU.gif10-Dec-2017 08:36 158K 
[IMG]384MHz-to-1152MHz_Freq_Multiplier_F8BCU.gif10-Dec-2017 08:36 253K 
[IMG]380MHz_Signal_Source.gif04-Apr-2014 12:41 132K 
[IMG]380MHz-to-520MHz_VCO.gif29-Nov-2009 03:23 28K 
[IMG]380MHz-540MHz_Low_Spur_VFO_N6TX.gif08-Jul-2014 06:10 72K 
[IMG]378MHz_Signal_Source_F8BCU.gif10-Dec-2017 08:36 201K 
[IMG]378MHz-to-1136MHz_Multiplier_F8BCU.gif10-Dec-2017 08:36 126K 
[IMG]360MHz-to-440MHz_Signal_Source.gif23-Feb-2014 14:08 37K 
[IMG]360MHz-440MHz_Signal_Source.gif05-Jul-2018 04:56 71K 
[IMG]350kHz-850kHz_Vcc_Tuned_VCO.gif13-Jun-2014 08:56 3.6K 
[IMG]350kHz-850kHz_VCO.gif01-Oct-2021 04:46 2.7K 
[IMG]350MHz-650MHz_MMIC_VCO_G8ATD.gif10-Apr-2012 05:28 21K 
[IMG]325MHz_600MHz_Balanced_MOS_VCO.gif20-Dec-2010 13:43 23K 
[IMG]325MHz-600MHz_Balanced_MOSFET_VCO.gif11-Dec-2015 14:17 23K 
[IMG]320MHz-1120MHz_Noise-Feedback_VCO.gif24-Jan-2021 17:06 36K 
[IMG]315MHz_AFSK_TX.gif21-Apr-2013 06:59 38K 
[IMG]300kHz-500kHz_Wobbulator.gif16-Feb-2018 05:20 156K 
[IMG]300kHz-3MHz_Sq-Wave_Few-nsec_Rise-Time.gif23-Jun-2012 17:24 69K 
[IMG]300MHz_VCO_DF5FC.gif29-Mar-2011 05:41 80K 
[IMG]300MHz_BW_Noise_Generator.gif08-Jan-2012 18:18 90K 
[IMG]300MHz_2.5W_Complementary_PA_WA7KRE.gif19-May-2014 17:35 9.5K 
[IMG]300MHz-2.7GHz_10W_GaN_PA.gif08-Feb-2022 16:31 32K 
[IMG]300Hz_12kHz_Audio_Sign_Gen_ZL2PD.gif12-Jul-2012 06:12 72K 
[IMG]300Hz-to-3kHz_Microphone_Filter.gif29-Nov-2009 03:22 7.1K 
[IMG]288MHz_Signal_Source_PA0TLX.gif06-Jun-2018 08:29 118K 
[IMG]270MHz-500MHz_BFY90_VCO_DC9RK.gif08-Jul-2014 06:10 16K 
[IMG]262MHz_Low_Noise_SAW_LO.gif04-Nov-2017 03:54 10K 
[IMG]260MHz-to-520MHz_VCO_HP8662A.gif29-Nov-2009 03:21 36K 
[IMG]250MHz-BW_Very_Fast_RF_Switch.gif05-Sep-2020 10:47 31K 
[IMG]250MHz-450MHz_MOSFET_VCO.gif11-Dec-2015 14:17 25K 
[IMG]250MHz-380MHz_Current_Controlled_LO_Vari-L.gif16-May-2014 18:07 9.0K 
[IMG]230MHz_Low_Noise_LO.gif11-Dec-2015 14:17 20K 
[IMG]225MHz_Parametric_Freq_Doubler_W6GXN.gif20-May-2014 16:53 13K 
[IMG]225MHz_400MHz_20W_LDMOS_PA.gif08-Jan-2011 05:10 7.2K 
[IMG]225MHz-450MHz_10W_PA.gif29-Nov-2009 03:21 127K 
[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]224MHz_Signal_Source_W1SL.gif31-Mar-2018 13:27 27K 
[IMG]220MHz_VCO_W6GXN.gif01-Jun-2014 12:09 20K 
[IMG]220MHz_Signal_Source_KK7B.gif20-Feb-2016 17:46 33K 
[IMG]220MHz_MOSFET_LNA_KT2B.gif20-Jan-2012 19:11 96K 
[IMG]220MHz_Low_Noise_Cascode_LO.gif29-Nov-2009 03:21 20K 
[IMG]220MHz_Dual-Gate_MOS_LNA_K1CLL.gif20-Jan-2012 19:11 120K 
[IMG]220MHz_Beacon_K5TRA.gif24-Jan-2021 17:06 92K 
[IMG]220MHz_400MHz_Air-Band_RX.gif01-Jul-2013 04:50 18K 
[IMG]220MHz_100W_MOSFET_Push-Pull_PA_DL4VJ.gif10-Sep-2014 15:28 31K 
[IMG]220MHz_22MHz_TRV_W6YUY.gif23-Jun-2012 17:24 559K 
[IMG]220MHz_10W_PA_K7JUE.gif25-May-2014 08:08 22K 
[IMG]220MHz-to-50MHz_TRV_K5TRA.gif24-Jan-2021 17:06 174K 
[IMG]220MHz-440MHz_Freq_Doubler_W1JR.gif10-Sep-2014 15:28 15K 
[IMG]220MHz-400MHz_Air-band_Scanner.gif06-Oct-2010 13:30 8.8K 
[IMG]220MHz-144MHz_TRV_WA7SPR.gif08-Jan-2012 18:18 441K 
[IMG]220MHz-28MHz_TRV_W6HPH.gif18-Feb-2014 04:51 41K 
[IMG]220MHz-28MHz_Bilateral_TRV_W6HPH.gif25-Apr-2018 07:29 44K 
[IMG]220MHz-14MHz_RX_Converter_WB2EGZ.gif16-May-2014 18:07 32K 
[IMG]220MHz-14MHz_Low_Noise_RX_Converter_W6AJF.gif15-May-2014 17:56 129K 
[IMG]220Hz-3.2MHz_Wideband_LC_LO.gif08-Feb-2022 16:31 21K 
[IMG]200nsec_Gen.gif19-Oct-2019 14:58 31K 
[IMG]200kHz_X-tal_LO_W6GXN.gif08-Jun-2012 17:41 88K 
[IMG]200kHz_Op_Amp_LOs_W6GXN.gif23-May-2014 10:04 26K 
[IMG]200kHz_Metal_Detector.gif20-Feb-2016 17:46 107K 
[IMG]200kHz_BFO_Product_Detector.gif01-Oct-2021 04:46 99K 
[IMG]200kHz-4MHz_74HC00_VCO.gif01-Oct-2021 04:46 5.7K 
[IMG]200W_PA_144MHz.gif29-Nov-2009 03:20 292K 
[IMG]200W_DVB_PA_and_Bias_BLF578.gif01-Jul-2013 04:50 53K 
[IMG]200MHz_Spectrum_Analyzer.gif31-Jul-2016 17:10 313K 
[IMG]200MHz_Source_Injection_FET_Mixer.gif12-Jul-2012 06:12 27K 
[IMG]200MHz_Neutralized_LNA.gif22-Apr-2016 15:38 19K 
[IMG]200MHz_LO-Trap_Source_Injection_FET_Mixer.gif12-Jul-2012 06:12 31K 
[IMG]200MHz_JFET_Cascode_AGC_Amp.gif07-Sep-2012 04:10 8.6K 
[IMG]200MHz_Gate_Injection_FET_Mixer.gif12-Jul-2012 06:12 27K 
[IMG]200MHz-to-600MHz_Frequency_Tripler.gif29-Nov-2009 03:20 11K 
[IMG]200MHz-500MHz_LO_WB6NWW.gif15-Jan-2012 16:59 129K 
[IMG]200MHz-400MHz_Variable_Gain_LNA_W1OOP.gif23-Aug-2014 14:56 21K 
[IMG]200MHz-400MHz_VCO.gif19-Oct-2017 12:09 20K 
[IMG]200Hz_CW_Filter_TL084_DL4YHF.gif02-Dec-2017 14:31 41K 
[IMG]194MHz_Signal_Source_W1VT.gif24-Jan-2021 17:05 254K 
[IMG]182kHz_FET_LO_G2BKO.gif05-Jul-2018 04:55 30K 
[IMG]180deg_Coax_Cable_Phase_Shifter_W6TC.gif22-Jul-2014 10:41 93K 
[IMG]180MHz_X-tal_LO_F1ANH.gif29-Nov-2009 03:18 51K 
[IMG]180MHz-360MHz_VCO.gif27-Sep-2016 17:41 13K 
[IMG]175MHz_25W_PA_WA7KRE.gif19-May-2014 17:35 12K 
[IMG]175MHz_15W_MOSFET_PA.gif20-Apr-2012 04:24 31K 
[IMG]170MHz-390MHz_MOSFET_VCO.gif11-Dec-2015 14:16 14K 
[IMG]170MHz-300MHz_VFO_AGC.gif06-Jun-2018 08:28 29K 
[IMG]170MHz-240MHz_Current_Controlled_LO_Vari-L.gif16-May-2014 18:07 8.0K 
[IMG]164MHz_Push-Push_FET_Oscillator_Tripler.gif22-Apr-2016 15:38 15K 
[IMG]162MHz_Tunable_FM_RX_W6GXN.gif15-May-2014 17:56 38K 
[IMG]161kHz_Metal_Detector.gif11-Dec-2015 14:16 31K 
[IMG]160m_TRX_G3TSO.gif29-Nov-2009 03:18 219K 
[IMG]160m_SSB_RX_TDA1072_G4ENA.gif06-Jun-2018 08:28 140K 
[IMG]160m_QRP_TX_W7ZOI.gif31-Jan-2014 15:56 199K 
[IMG]160m_Preamp_3SK88_KD9SV.gif03-Feb-2014 07:28 18K 
[IMG]160m_Loop_Ant_RX_Amplifier_W9SR.gif29-Aug-2013 16:10 32K 
[IMG]160m_JFET_VFO_W7ZOI.gif31-Jan-2014 15:56 277K 
[IMG]160m_Direction_Finding_RX-TX_G4ENA.gif06-Jun-2018 08:28 255K 
[IMG]160m_80m_7W_Push-Pull_PA_W7ZOI.gif31-Jan-2014 15:56 162K 
[IMG]160m-80m-40m_300W_IRF150_PA_YB0BAJ.gif17-Nov-2016 11:58 235K 
[IMG]160m-20m_DCR_NE602.gif17-Jan-2014 06:22 86K 
[IMG]160m-10m_Z-match_for_Dipole_Ant_DJ5RE.gif19-Jan-2011 17:01 51K 
[IMG]160kHz_Low_Frequency_CW_TX_K1RGO.gif06-Sep-2014 13:48 20K 
[IMG]160MHz-to-260MHz_VCO_ESV-Receiver.gif29-Nov-2009 03:18 34K 
[IMG]152MHz-to-144MHz_Converter_W9DJZ.gif15-Jan-2012 16:59 111K 
[IMG]150kHz-550kHz_X-tal_LO.gif17-Sep-2011 17:41 15K 
[IMG]150kHz-150MHz_RF_Power_Meter_ON6MU.gif24-Jan-2021 17:05 14K 
[IMG]150kHz-34MHz_Signal_Generator.gif12-Jul-2012 06:12 67K 
[IMG]150W_PA_28MHz.gif29-Nov-2009 03:18 171K 
[IMG]150MHz_High_Stability_LO_DH2HWJ.gif01-Feb-2023 07:30 127K 
[IMG]150MHz-to-300MHz_Freq_Doubler_MC1496.gif11-Mar-2014 15:50 16K 
[IMG]150MHz-300MHz_VCO_DB1NV.gif19-Jan-2011 17:01 20K 
[IMG]150MHz-250MHz_LNA_BFR96.gif23-Aug-2014 14:56 119K 
[IMG]146MHz_FM_Deviation_Meter_KA8OBL.gif15-Jun-2012 06:06 236K 
[IMG]146MHz_50W_FM_PA_K7QWR.gif16-Feb-2018 05:19 20K 
[IMG]146MHz_25W_FM_PA_K7QWR.gif16-Feb-2018 05:19 19K 
[IMG]145MHz_Tunnel_Diode_LNA.gif08-Mar-2013 19:03 13K 
[IMG]145MHz_FM_Transmitter.gif29-Nov-2009 03:18 21K 
[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]145MHz-434MHz_Diplexer_PA0HVA.gif06-Jun-2018 08:28 114K 
[IMG]144_220_440MHz_LNA_W3KKC.gif24-Mar-2011 15:52 60K 
[IMG]144_220_432MHz_GaAs_LNA_WA2GFP.gif29-Aug-2013 16:10 52K 
[IMG]144MHz_to_2304MHz_Freq_Multiplier_DC8UG.gif05-Feb-2011 14:43 30K 
[IMG]144MHz_to_1136MHz_TX_Converter_F8BCU.gif10-Dec-2017 08:36 81K 
[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_to_28MHz_Converter_FET.gif29-Nov-2009 03:18 23K 
[IMG]144MHz_to_14MHz_TRV_SM0VPO.gif29-Nov-2009 03:18 66K 
[IMG]144MHz_to_14MHz_RX_Converter_DL6HA.gif31-Jan-2011 06:11 118K 
[IMG]144MHz_to_9MHz_RX_Converter_DJ9ZR.gif24-Mar-2011 15:52 266K 
[IMG]144MHz_Walkie-Talkie.gif29-Nov-2009 03:18 35K 
[IMG]144MHz_VXO_W6IOJ.gif23-Feb-2014 14:08 19K 
[IMG]144MHz_VXO_KK7B.gif16-Mar-2014 14:18 49K 
[IMG]144MHz_VFX_TR-7200.gif09-Dec-2018 15:30 175K 
[IMG]144MHz_VFX_KK7B.gif16-Mar-2014 14:18 47K 
[IMG]144MHz_Tuned_LNA.gif29-Nov-2009 03:18 25K 
[IMG]144MHz_TX_DC9MD.gif31-Jan-2011 06:11 111K 
[IMG]144MHz_TX-RX_PIN_Switch_LA8AK.gif20-Feb-2011 11:28 56K 
[IMG]144MHz_Synthesizer_WA4DSY.gif16-Mar-2012 18:26 424K 
[IMG]144MHz_Superregenerative_RX.gif29-Nov-2009 03:18 47K 
[IMG]144MHz_Super-Regenerative_Receiver.gif08-Jan-2011 05:10 55K 
[IMG]144MHz_Strip-Line_BPF_G3UYK.gif06-Jun-2018 08:28 86K 
[IMG]144MHz_Sniffer_Field-Meter_ZS6EF.gif10-Dec-2017 08:36 70K 
[IMG]144MHz_Signal_Source_KK7B.gif20-Feb-2016 17:46 23K 
[IMG]144MHz_SSB_TRX_JG1EAD.gif14-Nov-2010 13:58 108K 
[IMG]144MHz_SSB_Receiver_W1VT.gif29-Nov-2009 03:18 25K 
[IMG]144MHz_SSB_RX_with_PLL_ZL1AHQ.gif31-Mar-2018 13:26 97K 
[IMG]144MHz_SSB-FM_TRX_DC6HL.gif31-Jan-2011 06:11 816K 
[IMG]144MHz_SSB-CW_DCR_RX.gif29-Nov-2009 03:18 134K 
[IMG]144MHz_SDR_IQ-out_G4JNT.gif21-Aug-2018 04:28 42K 
[IMG]144MHz_RX_Front-End.gif02-Dec-2017 14:31 175K 
[IMG]144MHz_RX_Converter_M0DGQ.gif21-May-2013 17:17 36K 
[IMG]144MHz_RX_Converter_JFETs.gif30-Apr-2014 07:23 331K 
[IMG]144MHz_QRP_CW_TRX.gif29-Nov-2009 03:18 76K 
[IMG]144MHz_Push_Pull_PA_YU1AW.gif29-Nov-2009 03:18 120K 
[IMG]144MHz_Portable_LNA.gif08-Jun-2012 17:41 91K 
[IMG]144MHz_Pip-Squeaq_Signal_Source_ZF5JF.gif24-Oct-2015 16:03 45K 
[IMG]144MHz_PLL_Beacon_F6DTA.gif02-Dec-2017 14:31 204K 
[IMG]144MHz_Overtone_FM_Oscillator.gif22-Apr-2016 15:38 72K 
[IMG]144MHz_Neutralized_JFET_LNA_W1KLK.gif30-Dec-2017 12:54 13K 
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[IMG]144MHz_LNA_BF981.gif19-Jul-2015 11:55 12K 
[IMG]144MHz_LNA_AA4AW.gif11-Jan-2012 17:43 246K 
[IMG]144MHz_LNA_40673.gif06-Jun-2013 16:27 58K 
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[IMG]144MHz_High-Q_High-Power_BPF.gif22-Feb-2011 10:46 141K 
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[IMG]144MHz_GaAs_LNA_MGF1502.gif04-Apr-2014 12:40 68K 
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[IMG]144MHz_GaAs_LNA.gif21-Aug-2018 04:38 8.4K 
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[IMG]144MHz_FM_Receiver_2.gif29-Nov-2009 03:17 329K 
[IMG]144MHz_FM_Receiver.gif29-Nov-2009 03:17 26K 
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[IMG]144MHz_FM_1W_TX.gif29-Nov-2009 03:17 79K 
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[IMG]144MHz_Dual-Gate_LNA.gif29-Mar-2011 05:41 63K 
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[IMG]144MHz_DSB_TRX_VK3AJG.gif17-May-2014 03:17 114K 
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[IMG]144MHz_160W_PA.gif29-Nov-2009 03:17 159K 
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[IMG]144MHz_100W_Linear_PA.gif29-Nov-2009 03:17 175K 
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[IMG]144MHz_50W_Parallel-BJT_PA.gif08-Jan-2012 18:18 229K 
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[IMG]144MHz_28MHz_TRV_LT2S.gif29-Nov-2009 03:17 142K 
[IMG]144MHz_28MHz_TRV_Compact.gif07-Nov-2017 16:09 65K 
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[IMG]144MHz_28MHz_Converter_N0GZ.gif29-Nov-2009 03:17 68K 
[IMG]144MHz_28MHz_Converter.gif29-Nov-2009 03:17 30K 
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[IMG]144MHz_13W_PA_W1OOP.gif16-May-2014 18:07 36K 
[IMG]144MHz_12W_PA_W6AJF.gif20-May-2014 16:52 22K 
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[IMG]144MHz_10W_PA_W4CGC.gif25-May-2014 08:08 31K 
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[IMG]144MHz_6W_FM_TX_W9SEK.gif23-May-2014 10:04 68K 
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[IMG]144MHz_3ch_FM_RX_DJ9HH.gif18-Jan-2011 14:20 45K 
[IMG]144MHz_3W_FM_TX_G8JVE.gif16-Feb-2018 05:19 203K 
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[IMG]144MHz_1W_Power_Oscillator.gif31-Jan-2011 06:10 41K 
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[IMG]144MHz-to-28MHz_RX_Converter_K1CLL.gif10-Apr-2012 05:28 102K 
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[IMG]144MHz-to-28MHz_Converter_YO3BAL-YO3DAC.gif29-Nov-2009 03:17 46K 
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[IMG]144MHz-to-14MHz_TRV.gif29-Nov-2009 03:17 77K 
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[IMG]144MHz-to-6MHz_Converter.gif08-Jan-2011 05:10 51K 
[IMG]144MHz-TRX_PLL_WA4DSY.gif07-Jan-2011 14:04 411K 
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[IMG]144MHz-432MHz_Upconverter_DL6MH.gif31-Jan-2011 06:10 220K 
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[IMG]144MHz-432MHz_LNA_DH7FB.gif22-Jan-2011 15:19 23K 
[IMG]144MHz-432MHz_LNA_BF960_FE6BCU.gif10-Dec-2017 08:35 177K 
[IMG]144MHz-432MHz_GaAs_LNA_OZ1PIF.gif23-Jun-2012 17:23 26K 
[IMG]144MHz-432MHz_GaAs_3SK97_LNA.gif10-Feb-2014 18:27 16K 
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[IMG]144MHz-432MHz_Diplexer.gif12-Aug-2012 12:19 119K 
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[IMG]144MHz-220MHz-432MHz_LNA_NEC4535_WA2GFP.gif08-Jul-2014 06:09 14K 
[IMG]144MHz-146MHz_VFX.gif18-Feb-2014 04:50 66K 
[IMG]144MHz-72MHz_RX_Converter.gif18-Feb-2014 04:50 129K 
[IMG]144MHz-50MHz_TRV_IE500.gif10-Dec-2017 08:36 562K 
[IMG]144MHz-29MHz_RX_Converter_WA6SXC.gif15-May-2014 17:56 31K 
[IMG]144MHz-28MHz_TRV_WB4EHS.gif12-Oct-2014 10:34 204K 
[IMG]144MHz-28MHz_TRV_UT5JCW.gif01-Feb-2023 07:30 52K 
[IMG]144MHz-28MHz_TRV_Pro_RA3WDK.gif23-Jun-2012 17:23 268K 
[IMG]144MHz-28MHz_TRV_Light_RA3WDK.gif23-Jun-2012 17:23 173K 
[IMG]144MHz-28MHz_SSB_RX_I4ZBD.gif18-Feb-2014 04:50 170K 
[IMG]144MHz-28MHz_RX_Converter_WA6NCT.gif19-May-2014 17:35 99K 
[IMG]144MHz-28MHz_RX_Converter_W6UOV.gif19-May-2014 17:35 96K 
[IMG]144MHz-28MHz_RX_Converter_W2DUC.gif19-Jan-2014 10:08 116K 
[IMG]144MHz-28MHz_RX_Converter_VK3ABP.gif05-Jul-2018 04:55 126K 
[IMG]144MHz-28MHz_RX_Converter_REW.gif06-May-2012 12:02 244K 
[IMG]144MHz-28MHz_RX_Converter_G4DDK.gif21-Aug-2018 04:28 35K 
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[IMG]144MHz-28MHz_MiniTRV_DJ8ES.gif09-Dec-2018 15:30 224K 
[IMG]144MHz-14MHz_RX_Converter_W1DTY.gif15-May-2014 17:56 12K 
[IMG]144MHz-14MHz_MOSFET_RX_Converter_WB2EGZ.gif15-May-2014 17:56 26K 
[IMG]144MHz-14MHz_Low_Noise_RX_Converter_W6AJF.gif15-May-2014 17:56 26K 
[IMG]144MHz-14MHz_Deluxe_RX_Converter_WB2EGZ.gif20-May-2014 16:52 85K 
[IMG]144MHz-14MHz_2xLNA_RX_Converter_WB2EGZ.gif15-May-2014 17:56 30K 
[IMG]144MHz-10.7MHz_RX_Converter_DJ2LR.gif17-Jun-2014 11:40 123K 
[IMG]144.3MHz_High_Selective_Converter_DL1LS.gif31-Jan-2011 06:10 147K 
[IMG]144-222MHz_Power_GaAs_LNA_WA5VJB.gif27-Aug-2011 17:19 234K 
[IMG]144-222-432MHz_GaAs_LNA_WA5VJB.gif27-Aug-2011 17:19 221K 
[IMG]140MHz_SAW_Filter_VCO.gif06-Jun-2018 08:28 66K 
[IMG]140MHz-460MHz_Wavemeter_K1CLL.gif22-Jan-2012 16:48 196K 
[IMG]140-152MHz_90W_PA_KL144.gif06-Aug-2013 11:36 151K 
[IMG]137kHz_VFX.gif19-Jul-2012 13:25 37K 
[IMG]137kHz_Signal_Conditioning_G4JNT.gif21-Aug-2018 04:28 22K 
[IMG]137kHz_Low-Frequency_Field_Meter_PA0SE.gif08-Jun-2012 17:41 172K 
[IMG]137kHz_CW_TX_G3LDO.gif08-Jun-2012 17:41 162K 
[IMG]137MHz-141MHz_RX_OK2UGS.gif18-Jan-2011 14:20 109K 
[IMG]136kHz_Tuner_for_Loop_Ant_GW4ALG.gif19-Jan-2014 10:08 9.3K 
[IMG]136kHz_Tuned_LNA.gif10-Feb-2014 18:27 9.7K 
[IMG]136kHz_RX_Loop_Preamp_M0BMU.gif21-Aug-2018 04:28 18K 
[IMG]136kHz_RX_Loop_Preamp_LA8AK.gif21-Aug-2018 04:28 13K 
[IMG]136kHz_LNA_G3YXM.gif10-Feb-2014 18:27 23K 
[IMG]136kHz_DC_RX_IK2PII.gif19-Oct-2017 12:09 64K 
[IMG]136kHz_Active_Loop_Antenna_G3BIK.gif21-Aug-2018 04:28 45K 
[IMG]136kHz_400W_PA_HUF75345G3_G3YXM.gif04-Nov-2017 03:54 36K 
[IMG]136kHz_300W_TX_G0MRF.gif21-Aug-2018 04:28 167K 
[IMG]136kHz_250W_PA_G0MRF.gif20-Apr-2012 04:24 13K 
[IMG]136kHz_200W_Envelope_Modulated_PA_M0BMU.gif10-Feb-2014 18:27 118K 
[IMG]136kHz_200W_Class-D_STW60NE10_PA.gif10-Feb-2014 18:27 62K 
[IMG]136kHz_120W_TX_PA0SE.gif15-Nov-2014 17:44 190K 
[IMG]136kHz_100W_TX_DJ1ZB.gif15-Nov-2014 17:44 132K 
[IMG]136kHz_50W_TX_DF3LP.gif15-Nov-2014 17:44 164K 
[IMG]136kHz_14.136MHz_RX_Converter_DJ1ZB.gif15-Nov-2014 17:44 134K 
[IMG]136kHz_5W_TX_G4CNN.gif19-Jan-2014 10:08 30K 
[IMG]136kHz_1kW_TX_G3YXM.gif10-Feb-2014 18:27 96K 
[IMG]136kHz-to-4.137MHz_TRV_RSGB.gif14-Dec-2009 11:52 42K 
[IMG]136kHZ-to-3.8MHz_Loop_Ant_and-LNA_DL2NI.gif29-Mar-2015 14:17 292K 
[IMG]136MHz_VXO_DJ9ZR.gif24-Mar-2011 15:52 135K 
[IMG]136MHz_Airband_Dual-Conversion_Receiver.gif30-Nov-2009 07:17 274K 
[IMG]136MHz_Airband_AM_Dual-Conv_RX.gif08-Jan-2011 05:09 96K 
[IMG]136KHz_to_10.136MHz_TRV_GW4ALG.gif19-Jan-2014 10:08 47K 
[IMG]135MHz_VXO_200kHz-range_DC6HL.gif20-Feb-2011 11:28 171K 
[IMG]135MHz_175MHz_15W_PA.gif29-Nov-2009 03:16 156K 
[IMG]135MHz_175MHz_7W_PA.gif29-Nov-2009 03:17 156K 
[IMG]135MHz-to-137MHz_PLL_DJ7ZV.gif24-Mar-2011 15:52 349K 
[IMG]135MHz-139MHz_VCO_W2EUP.gif15-Jun-2012 06:06 195K 
[IMG]135MHz-137MHz_VFX_I5BVH.gif18-Feb-2014 04:50 140K 
[IMG]133MHz-138MHz_VCO_IC-730.gif27-Sep-2016 17:41 16K 
[IMG]133.6MHz_VXO.gif28-Oct-2010 08:41 146K 
[IMG]133.3MHz-135.3MHz_VFX_YO3BAL.gif07-Nov-2017 16:09 65K 
[IMG]130kHz-500MHz_Power_Meter.gif24-Jan-2021 17:05 30K 
[IMG]130MHz-to-6GHz_Multiplier_F1JGP.gif29-Nov-2009 03:16 32K 
[IMG]130MHz-160MHz_15W_FM_PA_F3TA.gif05-Apr-2020 07:26 308K 
[IMG]126MHz_130MHz_Scanning_VCO_DC3NT.gif20-Feb-2011 11:28 202K 
[IMG]125W_144MHz_Power_Amplifier.gif29-Nov-2009 03:15 18K 
[IMG]125MHz_Very_Low_Phase_Noise_Oscillator_ADI.gif29-Nov-2009 03:15 20K 
[IMG]122GHz_SiGe_LNA.gif27-Sep-2016 17:41 35K 
[IMG]120MHz_Butler_X-tal_LO.gif22-Aug-2011 07:08 11K 
[IMG]120MHz-180MHz_Class-E_PA.gif08-Jan-2011 05:09 9.1K 
[IMG]118MHz_136MHz_Aviation_Band_Receiver.gif29-Nov-2009 03:15 214K 
[IMG]118MHz_136MHz_AirBand_DCR.gif24-Nov-2012 08:08 179K 
[IMG]118MHz-to-198MHz_FM-modulated_LO.gif29-Nov-2009 03:15 33K 
[IMG]116MHz_X-tal_LO_DJ8ES.gif29-Nov-2009 03:15 18K 
[IMG]116MHz_Signal_Source_W6HPH.gif23-Aug-2014 14:56 107K 
[IMG]116MHz_Signal_Source_R-5999.gif27-Sep-2016 17:41 16K 
[IMG]116MHz_LO_W1JR.gif20-Sep-2014 03:37 14K 
[IMG]116MHz_High_Output_Power_LO_DC8RI.gif11-Feb-2012 16:57 34K 
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[IMG]100kHz-30MHz_RF_Probe_with_detecor_monitor.gif24-Sep-2010 12:19 246K 
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[IMG]100MHz_Very_Low_PN_VCXO.gif13-Sep-2010 09:34 28K 
[IMG]100MHz_VCXO.gif29-Nov-2009 03:14 31K 
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[IMG]100MHz_Scope_Probe.gif24-Sep-2010 12:19 48K 
[IMG]100MHz_SA_W6URH.gif17-Jun-2014 11:40 159K 
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[IMG]100MHz_Crystal_Oscillator.gif29-Nov-2009 03:14 8.0K 
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[IMG]100MHz_500MHz_LNA.gif29-Nov-2009 03:14 14K 
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[IMG]100MHz-to-500MHz_Wilkinson_Divider_DJ1EE.gif29-Mar-2011 05:40 95K 
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[IMG]96MHz_Short-Term_Stable_LO.gif05-Oct-2012 09:26 36K 
[IMG]96MHz_Overtone_LO.gif21-Feb-2014 17:40 26K 
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[IMG]96MHz_Low_Noise_X-tal_LO_G3SEK.gif05-Jul-2018 04:57 72K 
[IMG]96MHz_Low_Noise_LO.gif05-Oct-2012 09:26 89K 
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[IMG]94.7MHz-758MHz_MMIC_Multiplier_N6JH.gif28-Sep-2014 07:29 140K 
[IMG]92MHz_to_3312MHz_Signal_Source_DC0DA.gif05-Feb-2011 14:44 290K 
[IMG]90m_to_40m_Crystal_Radio_N7FKI.gif27-Nov-2013 17:34 22K 
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[IMG]90-deg_Phase_Shift.gif27-Feb-2012 14:56 63K 
[IMG]90-deg_Phase-Shifter_for_IQ-mod.gif14-Dec-2009 11:52 23K 
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[IMG]88MHz_300mW_FM_TX.gif08-Feb-2022 16:31 34K 
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[IMG]88MHz-108MHz_TX_BF240.gif19-Oct-2017 12:11 7.7K 
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[IMG]88MHz-108MHz_FM_Wireless_TX.gif08-Jun-2012 17:42 88K 
[IMG]88MHz-108MHz_FM_Transmitter.gif29-Nov-2009 03:29 54K 
[IMG]88MHz-108MHz_FM-band_LNA.gif16-Jan-2011 17:21 23K 
[IMG]88MHz-108MHz_FET_FM_TX.gif11-Jan-2014 17:17 62K 
[IMG]88MHz-108MHz_DCR.gif24-Mar-2011 15:53 116K 
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[IMG]88-108MHz_20W_PA_ON6MU.gif09-Sep-2010 13:36 178K 
[IMG]88-108MHz_20W_FM_TX.gif01-Jan-2010 16:02 129K 
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[IMG]80m_Superhet_RX_YO3EM.gif11-Jun-2014 14:45 45K 
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[IMG]80m-40m_Neophyte_RX_WA3RNC.gif18-Mar-2011 14:59 248K 
[IMG]80m-40m_Kajman2_20W_TRX_SQ7JHM.gif27-Sep-2016 17:42 155K 
[IMG]80m-40m_Innovative_Active_Ant_W2EEY.gif26-Mar-2012 16:53 144K 
[IMG]80m-40m_IQ_Receiver_AK4AA.gif29-Nov-2009 03:28 79K 
[IMG]80m-40m_Direct_Conversion_Receiver.gif17-Nov-2016 12:01 76K 
[IMG]80m-40m_DCR_VK3AWC.gif29-Nov-2009 03:28 139K 
[IMG]80m-40m_DCR_RX.gif28-Oct-2010 08:42 17K 
[IMG]80m-40m_DCR_K1BQT.gif19-May-2014 17:35 24K 
[IMG]80m-40m_DCR_DM2CQL.gif22-Apr-2016 15:38 238K 
[IMG]80m-40m_30W_PA_PY2MG.gif29-Nov-2009 03:28 36K 
[IMG]80m-40m_8W_CW_TX_W7IGV.gif15-May-2014 17:57 58K 
[IMG]80m-40m_6W_CW_TX.gif29-Nov-2009 03:28 46K 
[IMG]80m-40m_2W_PA_W3QBO.gif23-May-2014 10:05 13K 
[IMG]80m-40m-30m_Superhet_TRX_NN1G.gif01-Dec-2009 16:58 248K 
[IMG]80m-40m-30m_Superhet_RX_WA6IVC.gif06-May-2012 12:02 285K 
[IMG]80m-40m-30m_SP-10_TRX_WA8TXT.gif23-Jun-2012 17:25 522K 
[IMG]80m-40m-30m_SP-5_QRP_TRX_WA8TXT.gif09-Mar-2012 09:07 516K 
[IMG]80m-40m-30m_SP-1_TRX_WA8TXT.gif23-Jun-2012 17:25 426K 
[IMG]80m-40m-20m_One_Diode_DCR_K6BIJ.gif23-May-2014 10:05 13K 
[IMG]80m-30m_Switch_Mode_CW_TX_G3DXZ.gif06-Jun-2018 08:31 233K 
[IMG]80m-30m_Phasing_RX_WA0JYK.gif25-May-2014 08:08 71K 
[IMG]80m-30m_400W_MOSFET_PA_W5JGV.gif21-May-2013 17:17 81K 
[IMG]80m-20m_Yearling_RX_G3YMP.gif10-Feb-2014 18:28 43K 
[IMG]80m-20m_Yearling-Beginners_RX_G3YMP.gif06-Jun-2018 08:30 142K 
[IMG]80m-20m_Superhet_SSB_RX_WA3TFS.gif06-Sep-2014 13:49 125K 
[IMG]80m-20m_Superhet_RX_G3BWE.gif06-Jun-2018 08:30 171K 
[IMG]80m-20m_Regen_RX_GI3XZM.gif19-Jul-2012 13:26 44K 
[IMG]80m-10m_ZZ_ATU_G4RGN.gif21-Apr-2011 15:30 19K 
[IMG]80m-10m_Noise_Phaser_PA0SIM.gif04-Nov-2017 03:54 51K 
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[IMG]80m,40m_QRP_CW_TX_W0MCN.gif31-Mar-2018 13:27 45K 
[IMG]80m,40m,20m_SSB_RX_W2NH.gif30-Dec-2017 12:54 57K 
[IMG]80m,40m,20m_30W_SSB_PA_F8BCU.gif10-Dec-2017 08:37 215K 
[IMG]80m,40m,20m_1W_VXO_TRX_SV1ONW.gif09-Dec-2018 15:31 563K 
[IMG]80m,20m_Regenerative_Blooper_RX_GI3XZM.gif05-Jul-2018 04:57 101K 
[IMG]80W_3-30MHz_Power_Amplifier.gif29-Nov-2009 03:29 30K 
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[IMG]80MHz-1000MHz_LO_DB1NV.gif19-Jan-2011 17:02 226K 
[IMG]80MHz-300MHz_Seiler_VCO.gif12-Aug-2012 12:19 71K 
[IMG]80MHz-140MHz_Overtone_X-tal_LO.gif09-Dec-2018 15:32 23K 
[IMG]77GHz_Dual_Stage_SiGe_LNA.gif24-Jan-2021 17:07 20K 
[IMG]77GHz_Dual-Cascode_SiGe_LNA_with_VGA.gif24-Jan-2021 17:07 49K 
[IMG]75m_Voice_Powered_DSB_TX_AA1TJ.gif11-Mar-2014 15:50 65K 
[IMG]75m_QRP_SSB_TRX_WA7JHZ.GIF29-Nov-2009 03:27 13K 
[IMG]75m_Phasing_SSB_Exciter_WA7JHZ.GIF29-Nov-2009 03:27 28K 
[IMG]75m_DSB_TRX_KE7HR.gif29-Nov-2009 03:27 81K 
[IMG]75m_Antenna_Tuner_VE7GC.gif12-Aug-2012 12:19 11K 
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[IMG]75W_PA_144MHz_preamp.gif29-Nov-2009 03:27 49K 
[IMG]75MHz_Tripler_PE9GHz.gif16-Jun-2013 12:43 34K 
[IMG]75MHz_IF_Amp_DJ2LR.gif03-Aug-2014 09:38 17K 
[IMG]75MHz-105MHz_Hellical_VCO_W4ZCB.gif21-Aug-2018 04:30 14K 
[IMG]74dB_Gain_with_LM386_JF1OZL.gif24-Sep-2010 12:20 8.4K 
[IMG]74MHz_VCO_NA5N.gif04-Oct-2012 12:37 140K 
[IMG]74MHz-105MHz_Low_Noise_VCO.gif29-Nov-2009 03:27 16K 
[IMG]72MHz_NBFM_Modulator_OE6TH.gif31-Jan-2011 06:12 46K 
[IMG]72MHz_144MHz_432MHz_1296MHz_10368MHz_Beacon.gif02-Dec-2017 14:32 346K 
[IMG]72MHz_3-way_Divider_W1DAX.gif23-May-2014 10:05 7.7K 
[IMG]72MHz-to-76MHz_VCO_NA5N.gif13-Sep-2010 09:34 121K 
[IMG]70cm_100mW_Beacon_LY3LP.gif01-Jun-2014 12:10 50K 
[IMG]70MHz_to_144MHz_TRV_ER1LW.gif16-Jun-2013 12:43 182K 
[IMG]70MHz_to_28MHz_RX_Converter_G3XBM.gif16-Jun-2013 12:43 21K 
[IMG]70MHz_to_28MHz_1W_TRV_G3XBM.gif16-Jun-2013 12:43 87K 
[IMG]70MHz_Very_Low_Phase_Noise_LO_Driscoll.gif05-Sep-2020 10:48 90K 
[IMG]70MHz_TRV_DF2FQ.gif29-Nov-2009 03:27 53K 
[IMG]70MHz_Phase_Shifter.gif01-Feb-2023 07:30 26K 
[IMG]70MHz_Overtone_FM_LO_DJ2LR.gif08-Jun-2014 16:59 8.8K 
[IMG]70MHz_Kallitron_LO_G8SEQ.gif21-Aug-2018 04:30 52K 
[IMG]70MHz_FWD_REF_uStrip_Bridge.gif16-Feb-2018 05:20 130K 
[IMG]70MHz_BFPxxx_LNA_YU1AW.gif02-Nov-2010 13:58 50K 
[IMG]70MHz_BF244_LNA.gif06-Jun-2013 16:27 22K 
[IMG]70MHz_ATV_Video_Demod_PLL.gif06-Jun-2018 08:30 181K 
[IMG]70MHz_200W_PA_SD1407_G0MRF.gif06-Jun-2018 08:30 84K 
[IMG]70MHz_160W_PA_GI0GDP.gif29-Nov-2009 03:27 56K 
[IMG]70MHz_150W_PA_YU1AW.gif29-Nov-2009 03:27 85K 
[IMG]70MHz_150W_BLF147_PA_YU1AW.gif01-Jul-2013 04:50 134K 
[IMG]70MHz_50W_RD70HVF1_PA_SP2DMB.gif28-Apr-2015 03:50 90K 
[IMG]70MHz_50W_PA_for_Handhelds_GI0GDP.gif21-Aug-2018 04:30 60K 
[IMG]70MHz_50MHz_TRV_YO2LGX.gif06-Aug-2013 11:36 247K 
[IMG]70MHz_28MHz_Transverter_OZ2M.gif29-Nov-2009 03:27 84K 
[IMG]70MHz_28MHz_TRV_YO2LGX.gif06-Aug-2013 11:36 165K 
[IMG]70MHz_20MHz-BW_Varactor _Phase_Shifter.gif05-Sep-2020 10:48 219K 
[IMG]70MHz_15W_PA_YO2LGX.gif06-Aug-2013 11:36 158K 
[IMG]70MHz_10W_SSB_PA_SD1143.gif19-Oct-2017 12:11 74K 
[IMG]70MHz_10W_PA_SD1143.gif19-Oct-2019 14:59 61K 
[IMG]70MHz_10W_Linear_PA_G3VA.gif05-Jul-2018 04:57 95K 
[IMG]70MHz-to-560MHz_wideband_high-dynamic-range_LNA.gif29-Nov-2009 03:27 28K 
[IMG]70MHz-to-28MHz_TRV_G4DDK.gif07-Nov-2017 16:09 126K 
[IMG]70MHz-to-28MHz_TRV_9A7PJT.gif07-Nov-2017 16:09 344K 
[IMG]70MHz-to-28MHz_TRV.gif24-Jan-2021 17:06 109K 
[IMG]70MHz-1350MHz_Wave_Absorbtionmeter_DJ2HF.gif05-Feb-2011 14:42 179K 
[IMG]70MHz-210MHz_VCO_MOSFET.gif29-Nov-2009 03:27 27K 
[IMG]70MHz-109MHz_PLL_TX.gif16-Sep-2012 06:15 24K 
[IMG]70MHz-80MHz_VCO_Fine-Coarse_Tuning.gif25-Apr-2018 07:30 16K 
[IMG]70.2MHz_Sign_Gen_LY3LP.gif01-Jun-2014 12:10 23K 
[IMG]70-50MHz_to_28MHz_RX_Converter_DL7HG.gif22-Jan-2011 15:19 44K 
[IMG]69MHz-100MHz_VCO_IC-756.gif27-Sep-2016 17:42 38K 
[IMG]69MHz-5.5MHz_Converter_DG0ZB.gif22-Jan-2011 15:19 24K 
[IMG]65MHz-110MHz_Overtone_X-tal_LO_VK2ZTB.gif11-Jun-2014 14:45 16K 
[IMG]65MHz-110MHz_Harmonic_X-tal_LO.gif16-Sep-2012 06:15 42K 
[IMG]62MHz-131MHz_VCO.gif27-Sep-2016 17:42 15K 
[IMG]60kHz_RX_W4ZPS.gif27-Sep-2014 16:38 33K 
[IMG]60kHz_Loop_Ant_Preamp_W9BTI.gif11-Jun-2014 14:45 64K 
[IMG]60dB_LO-to-IF_Isolation_Mixer.gif05-Sep-2020 10:48 12K 
[IMG]60MHz_120MHz_VCO_DL8ZX.gif05-Feb-2011 14:42 97K 
[IMG]60MHz-90MHz_PLL.gif02-Dec-2017 14:32 353K 
[IMG]60Hz_Notch_Circuit.gif08-Feb-2022 16:31 7.9K 
[IMG]60Hz_Adjustable-Q_Notch_Filter.gif06-Aug-2013 11:36 48K 
[IMG]60-70MHz_Stabilized_VFO_DC4KU.gif04-Apr-2014 12:41 234K 
[IMG]57MHz_Fifth_Overtone_X-tal_LO_WB2EGZ.gif08-Jul-2014 06:10 10K 
[IMG]57.6MHz_Overtone_LO.gif11-Dec-2015 14:17 17K 
[IMG]55.2MHz_VCXO_KA7OEI.gif29-Nov-2009 03:27 82K 
[IMG]53MHz-553MHz_Spectrum_Monitor.gif19-Oct-2017 12:11 1.4M 
[IMG]52MHz-144MHz_Coax_Diplexer.gif05-Sep-2020 10:48 71K 
[IMG]51MHz-452MHz_Coax_Diplexer.gif05-Sep-2020 10:48 170K 
[IMG]50psec_Pulse_Generator.gif08-Mar-2013 19:03 13K 
[IMG]50ohms-to-100ohms_Stub_Matching.gif05-Jul-2018 04:57 18K 
[IMG]50ohm-to-75ohm_Transf_W0SJ.gif01-Oct-2021 04:46 96K 
[IMG]50ohm-to-12.5ohm_Matching_Transformer_G3TSO.gif21-Aug-2018 04:29 72K 
[IMG]50kHz_500kHz_LO_DK1AG.gif28-Apr-2015 03:50 16K 
[IMG]50kHz_70MHz_Spectrum_Analyzer_K7TAU.gif29-Aug-2013 16:10 222K 
[IMG]50kHz-500kHz_Parallel_Mode_X-tal_LO_VK2ZTB.gif11-Jun-2014 14:45 6.7K 
[IMG]50kHz-150kHz_X-tal_LO.gif16-Mar-2014 14:18 40K 
[IMG]50dB_Dynamic_Range_Compressor.gif23-Jun-2012 17:24 146K 
[IMG]50V_14A_PS_G3WOS.gif21-Aug-2018 04:29 44K 
[IMG]50MHz_transverter_OE9PMJ.gif29-Nov-2009 03:26 32K 
[IMG]50MHz_to_28MHz_RX_Converter_PA0WFO.gif21-Aug-2018 04:29 44K 
[IMG]50MHz_VSWR_meter_FD1FLN.gif10-Dec-2017 08:37 60K 
[IMG]50MHz_Superegenerative_Receiver.gif29-Nov-2009 03:26 66K 
[IMG]50MHz_Signal_Source_KK7B.gif20-Feb-2016 17:47 37K 
[IMG]50MHz_SSB_TRX_KD1JV.gif29-Nov-2009 03:26 47K 
[IMG]50MHz_SSB_TRX_JR1PWZ.gif11-Jul-2012 09:01 212K 
[IMG]50MHz_SSB_RX_K1ZJH.gif31-Mar-2018 13:27 66K 
[IMG]50MHz_SSB_Otter_RX_G8JVE.gif16-Feb-2018 05:20 190K 
[IMG]50MHz_SSB-CW_TRX_S54S.gif19-Jan-2011 17:01 513K 
[IMG]50MHz_SSB-CW_TRX_7N3WVM.gif29-Nov-2009 03:26 178K 
[IMG]50MHz_SDR_DM2CQL.gif22-Jan-2011 15:19 54K 
[IMG]50MHz_RX_Converter_WB4KMB.gif08-Jun-2012 17:42 166K 
[IMG]50MHz_QRP_CW_TX_W7ZOI.gif31-Jan-2014 15:56 232K 
[IMG]50MHz_QRP_AM_TX.gif29-Nov-2009 03:26 21K 
[IMG]50MHz_PLL_Synthesizer_W1KNI.gif01-Jun-2014 12:10 121K 
[IMG]50MHz_PLL_N7APE.gif22-Jan-2012 16:49 518K 
[IMG]50MHz_Mini-TRX_JK1OLP.gif16-Jan-2011 17:21 103K 
[IMG]50MHz_High-IP3_LNA_N6CA.gif20-Apr-2012 04:25 5.8K 
[IMG]50MHz_FM_TRX_Audio-Data.gif29-Nov-2009 03:26 52K 
[IMG]50MHz_FET_LNA_W1FB.gif29-Nov-2009 03:26 7.9K 
[IMG]50MHz_FET_GND_Gate_VCO.gif02-Dec-2017 14:32 6.9K 
[IMG]50MHz_Exciter_KK7B.gif20-Feb-2016 17:47 20K 
[IMG]50MHz_Dual-Gate_LNA_OH2AUE.gif29-Nov-2009 03:26 12K 
[IMG]50MHz_DSB_TX_KL7GLK.gif27-Jan-2012 16:15 210K 
[IMG]50MHz_Crystal_Oscillator.gif29-Nov-2009 03:26 9.0K 
[IMG]50MHz_Converter_JR1PWZ.gif16-Jan-2011 17:21 41K 
[IMG]50MHz_BFPxxx_LNA_YU1AW.gif02-Nov-2010 13:57 51K 
[IMG]50MHz_Antenna_Tuners_AA3SJ.gif06-Jun-2018 08:30 8.1K 
[IMG]50MHz_AM_TRX_JG1EAD.gif14-Nov-2010 13:58 94K 
[IMG]50MHz_360W_2xBLX15.gif29-Nov-2009 03:26 17K 
[IMG]50MHz_350W_PA_2xBLX15.gif29-Nov-2009 03:26 7.6K 
[IMG]50MHz_300W_Linear_MOSFET_PA.gif29-Nov-2009 03:26 84K 
[IMG]50MHz_150W_PA_BLX15.gif29-Nov-2009 03:26 7.8K 
[IMG]50MHz_100W_Power_Amplifier.gif29-Nov-2009 03:26 38K 
[IMG]50MHz_100W_BLW96_PA_G3WZT.gif05-Jul-2018 04:57 86K 
[IMG]50MHz_100MHz_PA_S175-28.gif31-Mar-2018 13:27 33K 
[IMG]50MHz_70MHz_10W_TRV_DK1HE.gif01-Oct-2021 04:46 432K 
[IMG]50MHz_50W_VMOSFET_PA_DJ9FG.gif21-Aug-2018 04:29 31K 
[IMG]50MHz_40W_MOSFET_PA_DJ9FG.gif16-Jan-2011 17:21 66K 
[IMG]50MHz_35W_PA_DJ9FG.gif29-Nov-2009 03:26 48K 
[IMG]50MHz_30W_Beacon_N6CA.gif20-Apr-2012 04:25 104K 
[IMG]50MHz_28MHz_Transverter_DK7ZB.gif29-Nov-2009 03:26 76K 
[IMG]50MHz_28MHz_Converter.gif29-Nov-2009 03:26 12K 
[IMG]50MHz_25W_VMOSFET_PA_DJ9FG.gif21-Aug-2018 04:29 26K 
[IMG]50MHz_25W_CW_PA_KC1V.gif09-Dec-2018 15:31 40K 
[IMG]50MHz_20W_PA_KC1V.gif21-Feb-2014 17:40 33K 
[IMG]50MHz_16W_IRF610_PA_PA0KSB.gif21-Aug-2018 04:29 14K 
[IMG]50MHz_16W_IRF610_PA.gif19-Jul-2012 13:26 12K 
[IMG]50MHz_10W_SSB_PA_WB2TMB.gif09-Dec-2018 15:31 26K 
[IMG]50MHz_6W_CW_TX.gif15-May-2014 17:57 35K 
[IMG]50MHz_5W_FM_TX.gif08-Feb-2022 16:31 124K 
[IMG]50MHz_3W_PA.gif03-Feb-2012 16:38 41K 
[IMG]50MHz_2W_CW_TX_G3ROO.gif06-Jun-2018 08:30 61K 
[IMG]50MHz_2W_Beacon_WB2AMU.gif30-Dec-2017 12:54 103K 
[IMG]50MHz_1W_LO_G3VA.gif05-Jul-2018 04:57 25K 
[IMG]50MHz_1-MOSFET_Superregen_RX_JF1OZL.gif21-May-2013 17:17 23K 
[IMG]50MHz_0-100deg_Phase_Shifter_N6CA.gif20-Apr-2012 04:24 6.1K 
[IMG]50MHz-to-HF_RX_Converter_ZL4THO.gif06-Jun-2018 08:30 67K 
[IMG]50MHz-to-500MHz_1kW_PA_BLF645.gif08-Feb-2022 16:31 49K 
[IMG]50MHz-to-144MHz_simple_TRV.gif24-Jan-2021 17:06 48K 
[IMG]50MHz-to-28MHz_TRV_G4HUP.gif16-Feb-2018 05:20 99K 
[IMG]50MHz-to-28MHz_RX_Converter_VK2FC.gif24-Jan-2021 17:06 125K 
[IMG]50MHz-to-28MHz_RX_Converter_PY2MG.gif29-Nov-2009 03:26 43K 
[IMG]50MHz-to-28MHz_MOSFET_TRV.gif24-Jan-2021 17:06 25K 
[IMG]50MHz-to-27MHz_TRV_YC3LSB.gif16-Sep-2010 15:33 144K 
[IMG]50MHz-2500MHz_IQ_Upconverter_G4JNT.gif21-Aug-2018 04:29 24K 
[IMG]50MHz-900MHz_AM-FM_Tuner_PY2OHH.gif05-Apr-2013 15:33 64K 
[IMG]50MHz-520MHz_VCO.gif06-Jun-2018 08:30 72K 
[IMG]50MHz-150MHz_Overtone_X-tal_LO_WB2EGZ.gif08-Jul-2014 06:10 12K 
[IMG]50MHz-144MHz_Printed_Interdigital_BPF_W5KHT.gif20-May-2014 16:53 138K 
[IMG]50MHz-144MHz_Printed_BP_LNA_W5KHT.gif20-May-2014 16:53 36K 
[IMG]50MHz-144MHz_Cascode_FET_LNA_WA2GCF.gif25-May-2014 08:08 9.9K 
[IMG]50MHz-105MHz_X-tal_LO.gif16-Mar-2014 14:18 16K 
[IMG]50MHz-100MHz_Overtone_Crystal_LO.gif17-Sep-2011 17:41 14K 
[IMG]50MHz-70MHz_LNA_DL4ZAO.gif20-Feb-2016 17:47 340K 
[IMG]50MHz-70MHz-144MHz_TRV_DC8RI.gif22-Apr-2016 15:38 378K 
[IMG]50MHz-50.240MHz_VCXO_S57NAN.gif27-Sep-2016 17:42 122K 
[IMG]50MHz-28MHz_TRV_GW3XYW.gif05-Jul-2018 04:56 170K 
[IMG]50MHz-28MHz_RX_Converter_W2DUC.gif19-Jan-2014 10:09 84K 
[IMG]50MHz-14MHz_TRV_W6HPH.gif18-Feb-2014 04:51 35K 
[IMG]50MHz-14MHz_RX_Converter_WB2EGZ.gif15-May-2014 17:57 18K 
[IMG]50MHz-14MHz_Low_Noise_RX_Converter_W6AJF.gif15-May-2014 17:57 89K 
[IMG]50MHz-14MHz_Deluxe_RX_Converter_WB2EGZ.gif20-May-2014 16:53 93K 
[IMG]50MHz-14MHz_Bilateral_TRV_W6HPH.gif25-Apr-2018 07:30 39K 
[IMG]50MHz-8GHz_Log-Det_HMC713_F1OPA.gif17-Nov-2016 11:59 42K 
[IMG]50MHz-4GHz_Wideband_pHEMT_LNA_PSA4-5043.gif04-Nov-2017 03:54 146K 
[IMG]50MHz-4GHz_Single_Combined_MMIC_Amp.gif05-Apr-2020 07:27 123K 
[IMG]50MHz-1.6MHz_Converter_K1CLL.gif22-Jan-2012 16:49 198K 
[IMG]50MHz+500W_Antenna_Coupler_K1RAK.gif20-May-2014 16:53 84K 
[IMG]50MHZ_16W_MOSFET_PA.gif21-Feb-2010 21:59 11K 
[IMG]50Hz-100MHz_Wideband_Preamp_NZ9A.gif22-Jan-2012 16:49 121K 
[IMG]50.113MHz_VXO.gif03-Feb-2012 16:38 76K 
[IMG]50.15MHz_100mW_AM_TX.gif07-Nov-2017 16:09 21K 
[IMG]50-150MHz_Crystal_Oscillator.gif29-Nov-2009 03:26 5.6K 
[IMG]49m_AM_RX_TCA440.gif20-Feb-2016 17:47 149K 
[IMG]49MHz_Walkie-Talkie.gif29-Nov-2009 03:25 20K 
[IMG]49MHz-55MHz_Superregen_RX.gif23-Aug-2014 14:57 151K 
[IMG]48MHz_VFO_Freq-Doub_DJ3MY.gif31-Jan-2011 06:12 165K 
[IMG]48MHz_FM_X-tal_LO.gif04-Oct-2012 12:36 57K 
[IMG]48MHz-to_48.7MHz_Stable_VFO_DL9FX.gif24-Mar-2011 15:53 121K 
[IMG]47GHz_to_94GHz_Frequency_Doubler.gif06-Oct-2010 13:30 37K 
[IMG]45MHz_X-tal_Switch_LO_WB2EGZ.gif08-Jul-2014 06:10 11K 
[IMG]45MHz-to-2050MHz_SA.gif27-Sep-2016 17:42 308K 
[IMG]45MHz-to-75MHz_VCO_W2VJN.gif03-Aug-2014 09:38 21K 
[IMG]44.975MHz_X-tal_LO.gif04-Apr-2014 12:41 15K 
[IMG]44.4-45.1MHz_PLL_VFO_PA0KSB.gif28-Oct-2010 08:42 347K 
[IMG]42MHz-to-72MHz_VCO.gif29-Nov-2009 03:24 29K 
[IMG]41MHz-43MHz_PLL_FC1BAE.gif05-Apr-2020 07:27 248K 
[IMG]40m_ZetaSDR_LY1GP.gif17-Nov-2016 11:59 86K 
[IMG]40m_VFX_1MHz-Xtal_WA1SPI.gif08-Jul-2014 06:10 13K 
[IMG]40m_Ultimate_KISS_TRX_G3RJT.gif06-Jun-2018 08:30 131K 
[IMG]40m_Tuna_Twin_Too_RX_KO4WX.gif01-Dec-2009 16:57 141K 
[IMG]40m_The_QRP_Key_TX_WA8MCQ.gif01-Dec-2009 16:57 64K 
[IMG]40m_The-Classie_Class-E_TRX_VE3MKC.gif25-Apr-2018 07:30 65K 
[IMG]40m_TTL_TRX_WB0NQM.gif22-Jan-2012 16:48 152K 
[IMG]40m_TTL_QRP_TRX_PY2OHH.gif05-Apr-2013 15:33 35K 
[IMG]40m_TRX_NT7S.gif29-Nov-2009 03:24 152K 
[IMG]40m_TRX_MC3362_JG1EAD.gif29-Nov-2009 03:24 28K 
[IMG]40m_TRX_KD1JV.gif26-Feb-2015 11:17 107K 
[IMG]40m_Superhet_SSB_RX_W6XM.gif22-Jul-2014 10:41 54K 
[IMG]40m_Superhet_RX_PY2OHH.gif05-Apr-2013 15:33 43K 
[IMG]40m_Superhet_RX_MC3361_PY2OHH.gif05-Apr-2013 15:33 46K 
[IMG]40m_Superhet_RX_KD1JV.gif05-Apr-2020 07:27 88K 
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[IMG]40m_DCR_BF173.gif07-Nov-2017 16:09 21K 
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[IMG]30m_QRP_TRX_KD1JV.gif07-Sep-2012 04:10 104K 
[IMG]30m_QRP_TRX_K8IF.gif03-Dec-2009 14:48 283K 
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[IMG]30m_CW_TRX_Norcal.gif29-Nov-2009 03:23 299K 
[IMG]30m_CW_TRX_K8IQY.gif29-Nov-2009 03:23 263K 
[IMG]30m_CW_TRX_K1SWL.gif29-Nov-2009 03:23 43K 
[IMG]30m_CW_TRX_7N3WVM.gif29-Nov-2009 03:23 26K 
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[IMG]30MHz_300W_MOSFET_PA.gif29-Nov-2009 03:23 55K 
[IMG]30MHz_100W_MOSFET_PA.gif20-Apr-2012 04:24 60K 
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[IMG]30MHz-30.5MHz_Stable_VFO_W1OOP.gif16-May-2014 18:07 19K 
[IMG]30MHz-4GHz_Up-Down_Mixer_LTC5510.gif04-Apr-2014 12:41 52K 
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[IMG]29.450MHz_to_7MHz_RX_Converter_W2EEY.gif10-Apr-2012 05:28 116K 
[IMG]29.85MHz_Notch_Filter.gif01-Jul-2013 04:50 72K 
[IMG]29.85MHz_BPF.gif01-Jul-2013 04:50 83K 
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[IMG]28V-50A_PS_F5UAM.gif29-Nov-2009 03:22 40K 
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[IMG]28MHz_Superregen_RX.gif23-May-2014 10:30 65K 
[IMG]28MHz_Super-Regenerative_RX.gif23-May-2014 10:30 11K 
[IMG]28MHz_Signal_Source_W6GXN.gif20-May-2014 16:53 15K 
[IMG]28MHz_Regen_RX.gif18-Sep-2012 02:56 60K 
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[IMG]28MHz_LNA_W1HR.gif25-Jun-2014 04:14 12K 
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[IMG]28MHz_10W_Vackar_VFO_TX_K2ZSQ.gif15-May-2014 17:56 18K 
[IMG]28MHz_5W_CW_TX.gif18-Feb-2014 04:51 161K 
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[IMG]28MHz-432MHz_Upconverter_DJ6ZZ.gif05-Feb-2011 14:42 259K 
[IMG]28MHz-144MHz_SSB_Upconverter_W6NBI.gif01-Jun-2014 12:09 29K 
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[IMG]28.060MHz_5W_CW_TX_DK6SX.gif09-Dec-2018 15:31 144K 
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[IMG]27MHz_Walkie-Talkie.gif29-Nov-2009 03:21 75K 
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[IMG]27MHz_RadioControl_RX-TX.gif19-Oct-2019 15:10 70K 
[IMG]27MHz_RX-TX_Remote.gif29-Nov-2009 03:21 49K 
[IMG]27MHz_RC_Receiver.gif19-Oct-2019 15:10 27K 
[IMG]27MHz_RC_RX-TX.gif19-Oct-2019 15:10 16K 
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[IMG]27MHz_RC_Modified_RX.gif19-Oct-2019 14:58 48K 
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[IMG]27MHz_AM_4W_TX.gif30-Nov-2009 07:17 10K 
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[IMG]27MHz_500W_Class-E_PA_ARF448.gif08-Feb-2022 16:31 12K 
[IMG]27MHz_500W_Class-E_PA.gif29-Nov-2009 03:21 7.1K 
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[IMG]27MHz_3-BJTs_Walkie_Talkie.gif16-Sep-2010 15:33 114K 
[IMG]27MHz_2W_Transmitter.gif29-Nov-2009 03:21 89K 
[IMG]27MHz_2W_FM_TX_IW0CZP.gif30-Apr-2014 07:23 100K 
[IMG]27MHz_2W_AM_TX.gif18-Feb-2014 04:51 59K 
[IMG]27MHz_1kW_PA_ARF446_ARF447.gif04-Nov-2017 03:54 103K 
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[IMG]27MHz-to-SW_Converter.gif24-Sep-2010 12:20 146K 
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[IMG]25kHz-370kHz_TTL_SN7400_VCO.gif13-Jun-2014 08:56 3.8K 
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[IMG]25MHz-420MHz_Tunable_BPF_K6RIL.gif16-May-2014 18:07 57K 
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[IMG]24V-15A_Short_Protected_PS.gif08-Feb-2022 16:31 50K 
[IMG]24MHz_VXO.gif21-Apr-2011 15:30 18K 
[IMG]24MHz_FM_X-tal_LO.gif29-Mar-2011 05:41 30K 
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[IMG]24MHz-24.6MHz_VCO_K1ZJH.gif31-Mar-2018 13:27 16K 
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[IMG]24GHz_Rat-Race_Mixer.gif22-Apr-2016 15:38 30K 
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[IMG]24GHz_200mW_PA_DB6NT.gif29-Mar-2011 05:41 157K 
[IMG]24GHz_80mW_F1GHB.gif29-Nov-2009 03:21 48K 
[IMG]24.9MHz_4W_CW_TX_W1FB.gif05-Jul-2018 04:56 140K 
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[IMG]23cm_LNA_PE1PZN.gif30-Apr-2014 07:23 122K 
[IMG]23cm_FM_TRX_PA3FYM.gif31-Jul-2016 17:10 390K 
[IMG]23cm_FM_ATV_TX_DL1SNG.gif22-Jan-2011 15:19 58K 
[IMG]23cm_Band_Tunable_GaAs_LNA_PA4DAN.gif19-Oct-2017 12:10 18K 
[IMG]23cm_Active_Yagi_Antenna.gif19-Oct-2017 12:10 7.2K 
[IMG]23cm_ATV_TX_FM.gif29-Nov-2009 03:21 33K 
[IMG]23cm_35W_PA_W3HQT.gif29-Aug-2013 16:10 243K 
[IMG]23cm_13cm_Dual-Stage_LNA_DJ6PI.gif20-Feb-2011 11:28 204K 
[IMG]23cm_13cm_9cm_VLNA_G4DDK.gif12-Aug-2012 12:19 142K 
[IMG]23cm-70cm_TRV_I2SG.gif29-Nov-2009 03:21 208K 
[IMG]23MHz_VXO_W6JFR.gif12-Jan-2011 09:59 35K 
[IMG]23GHz_Subharmonic_Mixer_with_Coupler.gif22-Apr-2016 15:38 7.4K 
[IMG]23-13-9cm_Very_Low_Noise_Amplifier_G4DDK.gif11-Feb-2012 16:58 141K 
[IMG]22.5MHz-135MHz_Freq_Multiplier_DK1OF.gif31-Jan-2011 06:11 99K 
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[IMG]21MHz_QRP_TRX_JF1OZL.gif29-Nov-2009 03:21 133K 
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[IMG]21MHz_10W_CW_TX_WA1LNQ.gif31-Mar-2018 13:27 61K 
[IMG]21MHz-to-3.5MHz_RX_Converter_W1ICP.gif31-Mar-2018 13:27 28K 
[IMG]21MHz-105MHz_Impedance _Inverting_X-tal_LO.gif17-Sep-2011 17:41 12K 
[IMG]21MHz-42MHz_Freq_Doubler_W6GXN.gif20-May-2014 16:53 9.8K 
[IMG]20m_tuned_IF_SSB_RX.gif31-Jul-2016 17:10 122K 
[IMG]20m_Two-Superhet_RX_K9AY.gif01-Dec-2009 16:56 265K 
[IMG]20m_Two-Fer_TRX_WU2J.gif01-Dec-2009 16:56 320K 
[IMG]20m_TRX_G4ENA.gif21-Feb-2010 21:59 83K 
[IMG]20m_Superhet_TRX_WB5IPM.gif23-Jun-2012 17:24 1.0M 
[IMG]20m_Superhet_TRX_NN1G.gif01-Dec-2009 16:56 251K 
[IMG]20m_Superhet_SSB_RX_K1BQT.gif06-Sep-2014 13:49 255K 
[IMG]20m_Superhet_RX_N3ECZ.gif20-Sep-2014 03:37 36K 
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[IMG]20m_SSB_TRX_W5BAA.gif25-May-2014 08:08 89K 
[IMG]20m_SSB_TRX_EMF500.gif25-Jun-2014 04:14 140K 
[IMG]20m_SSB_Receiver.gif29-Nov-2009 03:21 216K 
[IMG]20m_SSB_RX_MC3362_K9AY.gif10-Dec-2017 08:36 86K 
[IMG]20m_SSB_RX_M0DGQ.gif21-May-2013 17:17 35K 
[IMG]20m_SSB_RX_KG4CUY.gif20-Apr-2012 04:24 315K 
[IMG]20m_SSB_CW_RX_I0SJX.gif18-Feb-2014 04:51 154K 
[IMG]20m_SSB_50W_TRX_YO3AVE.gif29-Nov-2009 03:20 415K 
[IMG]20m_Regen_RX_G3RJT.gif19-Jul-2012 13:26 13K 
[IMG]20m_Regen_RX_F9GY.gif19-Jul-2012 13:26 20K 
[IMG]20m_RX_PY2OHH.gif05-Apr-2013 15:33 65K 
[IMG]20m_RX_PSK31_DG2SK.gif29-Nov-2009 03:20 25K 
[IMG]20m_QRP_TRX_PA2OHH.gif29-Nov-2009 03:20 42K 
[IMG]20m_QRP_SSB_TRX_KD1JV.gif03-Jan-2011 16:33 352K 
[IMG]20m_QRP_CW_TRX_WB6NKJ.gif26-Mar-2012 16:52 405K 
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[IMG]20m_QRP_ATU_M0DGQ.gif21-May-2013 17:17 36K 
[IMG]20m_PSK-20_TRX_DL2FI.gif16-Jan-2011 17:21 81K 
[IMG]20m_Micropower_15mA_SSB_RX_WB9FHC.gif25-May-2014 08:08 41K 
[IMG]20m_Micro-20_RX_K1BQT.gif15-Jun-2012 06:06 659K 
[IMG]20m_MFJ-9420_5W_SSB-CW_TRX.gif03-Jan-2010 05:41 374K 
[IMG]20m_ILER-20_SSB_TRX_EA3GCY.gif15-Nov-2014 17:44 147K 
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[IMG]20m_Direct_Conversion_Receiver.gif29-Nov-2009 03:20 48K 
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[IMG]20m_DCR_with_AGC.gif07-Nov-2017 16:09 42K 
[IMG]20m_DCR_W1VD.gif29-Nov-2009 03:20 72K 
[IMG]20m_DCR_W1FB.gif15-Nov-2014 17:44 56K 
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[IMG]20m_DCR_BC107.gif30-Dec-2017 12:54 78K 
[IMG]20m_DCR_Active_Filter.gif28-Oct-2010 08:42 50K 
[IMG]20m_CW_Transmitter.gif29-Nov-2009 03:20 16K 
[IMG]20m_CW_TRX_Norcal.gif29-Nov-2009 03:20 159K 
[IMG]20m_CW_TRX_K8IQY.gif29-Nov-2009 03:20 78K 
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[IMG]20m_CW_TRX_DC1YB.gif29-Nov-2009 03:20 63K 
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[IMG]