article |
author |
page |
issue |
|
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 | + |