hr index - vhf and microwave - receivers and converters

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10 GHz hybrid-tee mixer G3NRT 34 Oct 77 +
10-60MHz preamp, low-noise, low-cost WA2GFP 65 May 81 +
1296 MHz, double-balanced mixers for WA6UAM 8 Jul 75 +
1296-MHz converter, solid state VK4ZT 6 Nov 70
1296-MHz local-oscillator chain WA2ZZF 42 Oct 78 +
1296-MHz low noise amplifier (Weekender) WA9HUV 60 Nov 88 +
1296-MHz noise generator W3BSV 46 Aug 73 +
1296-MHz preamplifier WA6UAM 42 Oct 75 +
1296-MHz preamplifier, low-noise transistor WA2VTR 50 Jun 71
1296-MHz preamplifier, low-noise transistor Added note (letter) 65 Jan 72
1296-MHz preamplifiers, microstripline WA6UAM 12 Apr 75 +
1296-MHz preamplifiers, microstripline Comments, W2DU 68 Jan 76 +
1296-MHz rat-race balanced mixer WA6UAM 33 Jul 77 +
1296-MHz ssb transceiver WA6UAM 8 Sep 74 +
144-432 MHz GaAs fet preamp JH1BRY 38 Nov 79 +
144-MHz converter (HN) K0VQY 71 Aug 70
144-MHz converter, high dynamic range DJ2LR 55 Jul 77 +
144-MHz converters, choosing fats (HN) K6JYO 70 Aug 69 +
144-MHz deluxe mosfet converter WB2EGZ 41 Feb 71 +
144-MHz deluxe mosfet converter Letter, W0LER 71 Oct 71 +
144-MHz deluxe mosfet converter Short circuit 96 Dec 71 +
144-MHz etched-inductance bandpass filters and filter-preamplifiers W5KHT 6 Feb 71 +
144-MHz fm receiver W9SEK 22 Sep 70 +
144-MHz fm receiver WA2GBF 42 Feb 72
144-MHz fm receiver Added notes 73 Jul 72
144-MHz fm receiver WA2GCF 6 Nov 72
144-MHz preamp, low-noise W1DTY 40 Apr 76 +
144-MHz preamp, super (HN) K6HCP 72 Oct 69 +
144-MHz preamplifier, improved WA2GCF 25 Mar 72
144-MHz preamplifier, low noise W8BBB 36 Jun 74 +
144-MHz transverter using power fets WB0BPI 10 Sep 76 +
2-Meter Converter with Q Multiplier WA9HUV 33 Nov 89 +
2-meter monitor WA3ENK 64 Jul 88 +
2-meter synthesizer, frequency modulator for K9LHA 68 Apr 81 +
2-meter transverter W6HPH 24 Jan 82 +
2-meter weather converter WA3EEC 87 Dec 83 +
220-MHz 9600-Baud Data Radio System for Packet W2DUC 67 Feb 89 +
220-MHz mosfet converter WB2EGZ 28 Jan 69 +
220-MHz mosfet converter Short circuit 76 Jul 69 +
220-mhz receiving adapter (Weekender) K1ZJH 20 Apr 90 +
2304-MHz balanced mixer WA2ZZF 58 Oct 75 +
2304-MHz converter, solid-state K2JNG, WA2LTM, WA2VTR 16 Mar 72
2304-MHz preamplifier, low-noise WA2GFP 12 Feb 83 +
2304-MHz preamplifier, solid-state WA2VTR 20 Aug 72
2304-MHz preamplifiers, narrow-band solid-state WA9HUV 6 Jul 74 +
28-30 MHz low-noise preamp W1JAA 48 Oct 75 +
30-MHz preamplifier, low-noise W1HR 38 Oct 78 +
30-MHz preamplifier, low-noise Short circuit 94 Feb 79 +
3456-MHz Linear Transverter WA3JUF 68 Jan 89 +
432 MHz preamplifier and converter WA2GCF 40 Jul 75 +
432- and 1296-MHz signalsource K6RIL 20 Sep 68
432-MHz converter N9KD 74 Apr 79 +
432-MHz converter, low-noise K6JC 34 Oct 70
432-MHz fet converter, low-noise WA6SXC 18 May 68
432-MHz fet preamp (HN) W1DTY 66 Aug 69 +
432-MHz GaAs preamp JH1BRY 22 Apr 78 +
432-MHz preamplifier, low-noise WB5LUA 26 Oct 78 +
432-MHz preamplifier, ultra low-noise W1JAA 8 Mar 75 +
435-MHz Low-noise GaAsFET Preamplifier WA2FTK and K1JUL 9 Jul 89 +
50-MHz deluxe mosfet converter WB2EGZ 41 Feb 71 +
50-MHz etched-inductance bandpass filters and filter-preamplifiers W5KHT 6 Feb 71 +
50-MHz preamplifier, Improved WA2GCF 46 Jan 73 +
Add fm to your receiver (weekender) K3NXU 74 Mar 81 +
Audio filter, tunable, for weak-signal communications K6HCP 28 Nov 75 +
Calculating preamplifier gain from noise figure measurements N6TX 30 Nov 77 +
Cavity filters, surplus, how to modify for 144 MHz W4FXE 42 Feb 80 +
Cooled preamplifier for vhf-uhf reception WA0RDX 36 Jul 72
Crystal-controlled vhf receivers, tuning aid for (HN) WA1FHB 69 Jul 80 +
Double-balanced mixers, circuit packaging for WA6UAM 41 Sep 77 +
Easy Monitor Receiver for 2 Meters WASSNZ 28 Apr 89 +
Fet converters for 50, 144, 220 and 432 MHz W6AJF 20 Mar 68
Fm transceiver, remote synthesized for 2 meters WB4UPC 28 Jan 80 +
GaAs FET performance and preamplifier application K8UR 38 Mar 83 +
GaAs FET performance and preamplifier application Comments, KC0W 12 Jul 83 +
High Performance 2-Meter Transverter W84EHS 68 Jul 89 +
Kenscan 74 WB7QYB 50 Jan 81 +
Kenscan 74 Short circuit 89 Jan 82 +
lnterdigital preamplifier and comb-line bandpass filter for vhf and uhf W6KHT 6 Aug 70
Local oscillators, high stability for microwave receivers and other applications WB3JZO 29 Nov 85 +
Microwave amplifier design, solid state WA6UAM 40 Oct 76 +
Microwave mixer, new WA0RDX 84 Oct 78 +
Modification of K9LHA 2-meter synthesizer for 144-148 MHz coverage (HN) K9LHA 93 May 81 +
Noise figure, sensitivity and dynamic range W1DTY 8 Oct 75 +
Noise figure, vhf, estimating WA9HUV 42 Jun 75 +
Overload problems with vhf converters, solving W1OOP 53 Jan 73 +
Preamplifier design, UHF, computer-aided KB0O 28 Oct 82 +
Preamplifiers, vhf low-noise WA2GFP 50 Dec 79 +
Receiver scanner, vhf K2LZG 22 Feb 73 +
Receiver, superregenerative, for vhf WA5SNZ 22 Jul 73 +
Signal detection and communication in the presence of white noise WB6IOM 16 Feb 69 +
Signal generator for two and six meters WA8OIK 54 Nov 69 +
Single-frequency conversion, vhf/uhf W3FQJ 62 Apr 75 +
Six-meter mosfet converter WB2EGZ 22 Jun 68
Six-meter mosfet converter Short circuit 34 Aug 68
Synthesizer, genesis of a VE3FIT 38 Mar 81 +
TR-2500/2600 2-channel programming (HN) K9MLD 128 Oct 85 +
Two-meter converter, 1.5-dB NF WA6SXC 14 Jul 68
Two-meter preamp, MM5000 W4KAE 49 Oct 68
UHF GaAsFET Doubler, The Weekender: WA9HUV 65 Apr 89 +
UHF local-oscillator chain N6TX 27 Jul 79 +
Vhf converter performance, optimizing (HN) K2ZSQ 18 Jul 68
Vhf receiver, general-purpose K1ZJH 16 Jul 78 +
Vhf/uhf preamplifier burnout (HN) W1JR 43 Nov 78 +
VHF/UHF world W1JA 54 Nov 85 +
VHF/UHF world: low noise receiver update - part2 W1JR 72 Dec 87 +
VHF/UHF world: low-noise GaAs FET technology W1JR 99 Dec 84 +
VHF/UHF world: VHF/UHF receivers W1JR 42 Mar 84 +
Weak-signal source, 144 and 432 MHz K6JC 58 Mar 70 +
Weak-signal source, stable, variable output K6JYO 36 Sep 71
Yaesu's latest VHF/UHF receiver, add general coverage W6MGI 67 Oct 85 +
Yaesu's latest VHF/UHF receiver, add general coverage Short circuit 97 Oct 87 +


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