hr index - transmitters and power amplifiers - high-frequency transmitters

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14-MHz vfo transmitter, solid-state W3QBO 6 Nov 73 +
15-meter sideband transceiver WA4ZXF 12 Mar 83 +
15-meter sideband transceiver Short circuit 80 Jul 83 +
15-meter sideband transceiver Short circuit 66 Jan 86 +
160-meters, 500-watt power amplifier W2BP 8 Aug 75 +
28-MHz transmitter, solid-state K2ZSQ 10 Jul 68
3-400Z, 3-500Z filament circuits, notes on K9WEH 66 Apr 76 +
3-500Z in amateur service, the W6SAI 56 Mar 68
40-meters, transistor rig for W6BLZ, K5GXR 44 Jul 68
7-MHz QRP CW transmitter WA4MTH 26 Dec 76 +
80/40-meter junkbox rig revisited (HN) W3RMD 70 Jan 90 +
Air pressure, measuring across transmitting tubes (HN) W4PSJ 89 Jan 80 +
ALC circuits, an analysis of K4JW 19 Aug 81 +
Amplifier, 3CX1200A7 10 to 80 meter K8RA 75 Aug 85 +
An NE602-based QRP Transceiver for 20-meter CW K1BQT 9 Jan 89 +
ART-13, Modifying for noiseless CW (HN) K5GKN 68 Aug 69 +
Better frequency stability for the Drake TR7 HB9ABO 21 Aug 87 +
Card File Station for 40 Meters, The Weekender W6XM 56 Sep 89 +
CAT control system for the Yaesu FT-757GX SM6CPI 26 Nov 87 +
CB to 10 fm transceiver conversion VE3FIT, VE3AQN 16 Feb 83 +
Compact 75-meter monoband transceiver K1BQT 13 Nov 85 +
Convert a $25 CB HT for 6 meters K1ZJH 79 Aug 87 +
CW transceiver for 40 and 80 meters W3NNL, K3OIO 14 Jul 69 +
CW transceiver for 40 and 80 meters, improved W3NNL 18 Jul 77 +
CW transceiver, low-power 20-meter W7ZOI 8 Nov 74 +
CW transmitter, half-watt K0VQY 69 Nov 69 +
Design an amplifier around the 3CX1200A7 W7DHD 33 Dec 87 +
Driver and final for 40 and 80 meters, solid-state W3QBO 20 Feb 72
Electronic bias switch for negatively-biased power amplifiers WA5KPG 27 Nov 76 +
Field-effect transistor transmitters K2BLA 30 Feb 71 +
Filters, low-pass for 10 and 15 meters W2EEY 42 Jan 72
Five-band Junkbox Transmitter W3RMD 42 Dec 89 +
Five-band transmitter, hf, solid-state I5TDJ 24 Apr 77 +
Frequency synthesizer, high frequency K2BLA 16 Oct 72
Grounded-grid 2 kW PEP amplifier, high frequency W6SAI 6 Feb 69 +
Ham notebook: curing FT-1012D key clicks N5RM 74 Feb 88 +
Ham radio techniques: 160-meter equipment W6SAI 77 Mar 87 +
Heath HW-101 transceiver, using with a separate receiver (HN) WA1MKP 63 Oct 73 +
High dynamic range mixing with the Si8901 KB7QJ 11 Mar 88 +
Improved stability and dial calibration for the Heathkit HW-8 (HN) W3HVK 103 Nov 83 +
Kilowatt mobile for DX K5DUT 43 Dec 80 +
Linear amplifier design: Part 1 W6SAI 12 Jun 79 +
Linear amplifier design: Part 2 W6SAI 34 Jul 79 +
Linear amplifier design: Part 3 W6SAI 58 Aug 79 +
Linear amplifier performance, improving W4PSJ 68 Oct 71 +
Linear amplifier, 100-watt W6WR 28 Dec 75 +
Linear amplifier, five-band W7IV 30 Mar 70 +
Linear amplifier, five-band conduction-cooled W9KIT 6 Jul 72
Linear amplifier, HF solid-state kilowatt, mobile WA7SPR 67 Feb 85 +
Linear amplifier, modular, for the high-frequency Amateur bands K8RA 12 Jan 81 +
Linear amplifier, modular, for the high-frequency Amateur bands Comments K1THP 6 Mar 81 +
Linear amplifiers, modifying for full break-in operation K4XU 38 Apr 78 +
Linear for 80-10 meters, high-power W6HHN 56 Apr 71
Linear for 80-10 meters, high-power Short circuit 96 Dec 71 +
Linear power amplifier, high-power solid-state Chambers 6 Aug 74 +
Linear, five-band hf W7DI 6 Mar 72
Linear, five-band kilowatt W4OQ 14 Jan 74 +
Linear, five-band kilowatt Improved operation (letter) 59 Dec 74 +
Linear-amplifier cost efficiency W8MFL 60 Jul 80 +
Linears, three bands with two (HN) W4NJF 70 Nov 69 +
Low-frequency transmitter, solid-state W4KAE 16 Nov 68
Lowpass filter, high-frequency W2OLU 24 Mar 75 +
Lowpass filter, high-frequency Short circuit 59 Jun 75 +
Lowpass filters, elliptic, for transistor amplifiers W3NQN 20 Jan 81 +
Modifying the Heath SB-200 amplifier for the new 8873 zero-bias triode W6UOV 32 Jan 71 +
Mosfet power amplifier, for 160 - 6 meters WA1WLW 12 Nov 78 +
Phase-locked loop, 28 MHz W1KNI 40 Jan 73 +
QRP fet transmitter, 80-meter W3FQJ 50 Aug 75 +
Remote control hf operation K5QY 32 Apr 83 +
Remote control hf operation Short circuit 97 Aug 83 +
Ssb exciter, 5-band K1UKX 10 Mar 68
Ssb transceiver using LM373 IC W5BAA 32 Nov 73 +
Ssb transceiver, 9-MHz, IC G3ZVC 34 Aug 74 +
Ssb transceiver, 9-MHz, IC Circuit change (letter) 62 Sep 75 +
Ssb transceiver, miniature 7-MHz W7BBX 16 Jul 74 +
Ssb transmitter and receiver, 40 meters VE3GSD 6 Mar 74 +
Ssb transmitter and receiver, 40 meters Short circuit 62 Dec 74 +
Ssb transmitter, phasing type WA0JYK 8 Jun 75 +
Tank circuit, inductively-tuned high-frequency W6SAI 6 Jul 70
Thumbwheel frequency selector for the Yaesu FT-757GX KA9SNF 33 Nov 87 +
Transceiver, 3.5-MHz ssb VE6ABX 6 Mar 73 +
Transceiver, high-frequency with digital readout DJ2LR 12 Mar 78 +
Transceiver, single-band ssb W1DTY 8 Jun 69 +
Transmitter, five-band, CW and ssb WN3WTG 34 Jan 77 +
Transmitter, low-power W6NIF 26 Dec 70
Transmitter, universal flea-power K2ZSQ 58 Apr 69
Transmitters, QRP W7OE 36 Dec 68
Transverter, high-level hf K4ERO 68 Jul 68
Transverter, low-power, high-frequency WA0RBR 12 Dec 78 +
TS-440 interface for keying linears with high voltage biasing (HN) W6VVTU 98 Nov 88 +
Vacuum tube amplifier, design a toroidal tank circuit for W6YUY 29 Aug 85 +
Wideband linear amplifier, 4 watt VE5FP 42 Jan 76 +


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