hr index - transmitters and power amplifiers - general

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40-meter transmitter-receiver W6XM 43 Dec 82 +
5CX1500 screen protection (HN) VE3AIA 58 Mar 83 +
6-meter amplifier W2GN 72 Apr 83 +
6-meter amplifier Short circuit 97 Aug 83 +
A-M/fm converter for facsimile transmission, an SM6FJB 12 Dec 81 +
Adjusting SSB amplifiers AG6K 33 Sep 85 +
Amplitude modulation, a different approach WA5SNZ 50 Feb 70
Aural vco provides relative metering K1ZJH 97 Jan 87 +
Batteries, how to select for portable equipment WA0AIK 40 Aug 73 +
Blower maintenance (HN) W6NIF 71 Feb 71 +
Blower-to-chassis adapter (HN) K6JYO 73 Feb 71 +
Collector Matching Networks KZJ 34 Jan 89 +
Converting a-m power amplifiers to ssb service WA4GNW 55 Sep 68
CQer, automatic, for RTTY W4AYV 18 Nov 80 +
Design a no-tune amplifier with your personal computer W7DHD 8 Sep 87 +
Digital readout, universal WB8IFM 34 Dec 78 +
Digital vfo basics Earnshaw 18 Nov 78 +
Efficiency of linear power amplifiers, how to compare W5JJ 64 Jul 73 +
Eimac 5CX1500A power pentode, notes on K9XI 60 Aug 80 +
Electronic bias switching for linear amplifiers W6VFR 50 Mar 75 +
Fail-safe timer, transmitter (HN) K9HVW 72 Oct 74 +
Filter converter, an up/down W5DA 20 Dec 77 +
Filters, ssb (HN) K6KA 63 Nov 73 +
Frequency multipliers W6GXN 6 Aug 71 +
Frequency translation in ssb transmitters Belt 22 Sep 68
Grid-current measurement in grounded-grid amplifiers W6SAI 64 Aug 68
Grounded-grid amplifier parasitics AG6K 31 Apr 86 +
Grounded-grid amplifier parasitics Comment, NJ0G 9 Jul 86 +
Grounded-grid amplifier parasitics Comment, W2YW 6 Jul 86 +
Ham radio techniques: "white noise" revisited W6SAI 79 Oct 87 +
Ham radio techniques: "white noise" technology bites back W6SAI 55 Jan 87 +
Ham radio techniques: super cathode driven amplifier W6SAI 73 Nov 86 +
High-voltage fuses in linear amplifiers (HN) K9MM 76 Feb 78 +
Homebrew Neutralizing Capacitor N4LC 38 May 89 +
Intermittent voice operation of power tubes W6SAI 24 Jan 71 +
Key and vox clicks (HN) K6KA 74 Aug 72
Linear power amplifiers Belt 16 Apr 68
Linear power amplifiers (letter) KB5EY, W6SAI 6 Dec 79 +
Linear Tuning with a War Surplus Capacitor N2DCH 40 Jun 89 +
Lowpass filters for solid-state linear amplifiers WA0JYK 38 Mar 74 +
Lowpass filters for solid-state linear amplifiers Short circuit 62 Dec 74 +
Lowpass filters, elliptic, for transistor amplifiers W3NQN 20 Jan 81 +
Matching techniques, broadband, for transistor rf amplifiers WA7WHZ 30 Jan 77 +
MC1496, improved carrier suppression (HN) K1ZJH 78 Apr 85 +
MC1496, improved carrier suppression (HN) Short circuit 74 Jul 85 +
MMIC multiplier chains for the 902 MHz band N6JH 72 Feb 87 +
MMIC multiplier chains for the 902 MHz band Short circuit 64 May 87 +
Multiple tubes in parallel grounding grid (HN) W7CSD 60 Aug 71 +
National NCX-500 modification for 15 meters (HN) WA1KYO 87 Oct 77 +
Networks, transmitter matching W6FFC 6 Jan 73 +
Neutralizing tip (HN) ZE6JP 69 Dec 72 +
Parasitic oscillations in high-power transistor rf amplifiers W0KGI 54 Sep 70 +
Parasitic suppressor (HN) WA9JMY 80 Apr 70
Pi and pi-L networks W6SAI 36 Nov 68
Pi network design Anderson, Leonard H. 36 Mar 78 +
Pi network design Comments 6 Apr 79 +
Pi network design aid W6NIF 62 May 74 +
Pi network design aid Correction (letter) 58 Dec 74 +
Pi networks (letter) W6NIF 6 Oct 78 +
Pi networks, series tuned W2EGH 42 Oct 71 +
Pi-network design, high-frequency power amplifier W6FFC 6 Sep 72
Pi-network inductors (letter) W7IV 78 Dec 72 +
Pi-network rf choke (HN) W6KNE 98 Jun 78 +
Power attenuator, all-band 10-dB K1CCL 68 Apr 70
Power fets W3FQJ 34 Apr 71
Power tube open filament pins (HN) W9KNI 69 Apr 75 +
Practically speaking: noise, signals and amplifiers K4IPV 77 Feb 88 +
Practically Speaking: Parts for Antenna Tuners and Linears Plus a Correction K4IPV 83 Jan 89 +
Pre-emphasis for ssb transmitters OH2CD 38 Feb 72
QSK Modification for the Trio-Kenwood TL-922 Amplifier AG6K 35 Mar 89 +
Quartz crystals (letter) WB2EGV 12 Dec 79 +
Relay activator (HN) K6KA 62 Sep 71
Rf leakage from your transmitter, preventing K9MM 44 Jun 78 +
Rf power amplifiers, high-efficiency WB8LQK 8 Oct 74 +
Rf power transistors, how to use WA7KRE 8 Jan 70 +
RF switching, high power with pin diodes KN8Z 82 Jan 85 +
Screen clamp, solid-state W0LRW 44 Sep 68
Single-conversion transceivers, digital frequency display for K6YHK 28 Mar 81 +
Sstv reporting system WB6ZYE 78 Sep 76 +
Step-start circuit, high-voltage (HN) W6VFR 64 Sep 71
Swr alarm circuits W2EEY 73 Apr 70
Talking clock (letter) N9KV 75 Feb 80 +
Talking digital readout (letter) N5AF 6 May 80 +
Temperature alarms for high-power amplifiers W2EEY 48 Jul 70
Three-tube 4CX250B linear amplifier YU1AW 63 Apr 87 +
Transmitter power levels, some observations regarding WA5SNZ 62 Apr 71
Transmitter switching, solid-state W2EEY 44 Jun 68
Transmitter, remote keying (HN) WA3HDU 74 Oct 69 +
Transmitter-tuning unit for the blind W9NTP 60 Jun 71
True frequency digital readout for the HW-101 NU4F 8 Jan 87 +
True frequency digital readout for the HW-101 Short circuit 41 Aug 87 +
TV sweep tubes in linear service, full-blast operation of W6SAI, W6UOV 9 Apr 68
Two-Loop 10-Hz Step 40-70 MHz Synthesizer PY1LL & C Mathias 24 Jan 89 +
Vacuum tubes, using odd-ball types in linear amplifiers W5JJ 58 Sep 72
Vfo, digital readout WB8IFM 14 Jan 73 +
VMOS on 1750 meters K1RGO 71 Oct 83 +
XK2C AFSK generator, the W3HVK 58 Nov 80 +



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