article |
author |
page |
issue |
|
AC converter, DC to 400-Hz (HN) | WB2YVY | 58 | Mar 83 | + |
AC current monitor (letter) | WB5MAP | 61 | Mar 75 | + |
AC power supply, regulated, for mobile fm equipment | WA8TMP | 28 | Jun 73 | + |
Adjustable 5-ampere supply | N1JR | 50 | Jan 79 | + |
All-mode-protected power supply | K2PMA | 74 | Oct 77 | + |
An easy-to-build NiCd pulse charger (weekender) | AG6K | 18 | Sep 88 | + |
Arc suppression networks (HN) | WA5EKA | 70 | Jul 73 | + |
Batteries on concrete (comment) | N5OP | 101 | Sep 88 | + |
Batteries, selecting for portable equipment | WA0AIK | 40 | Aug 73 | + |
Battery charger, NiCd, constant current, a pulsed | K2MWU | 67 | Aug 85 | + |
Battery charging (letter) | Carlson | 6 | Nov 80 | + |
Battery drain, auxiliary, guard for (HN) | W1DTY | 74 | Oct 74 | + |
Battery power | W3FQJ | 56 | Aug 74 | + |
Battery storage (comment) | W5JHJ | 6 | May 88 | + |
Battery-backed master power system | K9ES | 17 | Jan 88 | + |
Bench power supply - Weekender | WB6AFT | 50 | Feb 80 | + |
Build your own supercharger | K3OF | 22 | Mar 90 | + |
Build your own supercharger | Short circuit | 78 | May 90 | + |
Charger, fet-controlled, for nicad batteries | WA0JYK | 46 | Aug 75 | + |
Constant-current battery charger for portable operation | K5PA | 34 | Apr 78 | + |
Converter, 12 to 6 volt (C&T) | W1DTY | 42 | Apr 76 | + |
Current limiting (HN) | W0LPQ | 70 | Oct 72 | |
Current limiting (letter) | K5MKO | 66 | Oct 73 | + |
Dc power supply, regulated (C&T) | W1DTY | 51 | Jun 76 | + |
Dc-dc converter, low-power | W5MLY | 54 | Mar 75 | + |
Diesel generator repair | Richardson, Wayne | 46 | Apr 83 | + |
Diode surge protection (HN) | WA7LUJ | 65 | Mar 72 | |
Diode surge protection (HN) | Added note | 77 | Aug 72 | |
Diodes for power supplies, choosing | W6BLZ | 38 | Jul 68 | |
Drake R-4C receiver improved power supply | W3RJ | 28 | Feb 82 | + |
Dry-cell life | W1DTY | 41 | Apr 76 | + |
Dual voltage power supply | WD4SKH | 32 | Mar 83 | + |
Dual voltage power supply | Comments, WB2UAQ | 12 | Jul 83 | + |
Dual voltage power supply | Short circuit | 80 | Jul 83 | + |
Dual voltage surge-protection for high-voltage power supplies (weekender) | K8VIR | 42 | Aug 81 | + |
Dual-voltage power supply (HN) | W1OOP | 71 | Apr 69 | |
Dual-voltage power supply (HN) | Short circuit | 80 | Aug 69 | + |
Dual-voltage power supply (HN) | W5JJ | 68 | Nov 71 | + |
Electrolytic capacitors (letter) | WB8MKU | 6 | Jun 81 | + |
Filament transformers, miniature | Bailey | 66 | Sep 74 | + |
Forget memory (Ni-Cd discussion) | K0OV | 62 | Jan 83 | + |
Get the most from your NiCds (Weekender) | K3OF | 88 | Dec 88 | + |
High-current regulated dc supply | N8AKS | 50 | Aug 79 | + |
High-power trouble shooting | Allen | 52 | Aug 68 | |
IC power (HN) | W3KBM | 68 | Apr 72 | |
IC power supply, adjustable (HN) | W3HB | 95 | Jan 78 | + |
IC regulated power supply | W2FBW | 50 | Nov 70 | |
IC regulated power supply | W9SEK | 51 | Dec 70 | |
IC regulated power supply for ICs | Short circuit | 80 | May 68 | |
IC-regulated power supply for ICs | W6GXN | 28 | Mar 68 | |
Instantaneous-shutdown high-current regulated supply | W6GB | 81 | Jun 78 | + |
Klystrons, reflex power for (HN) | W6BPK | 71 | Jul 73 | + |
Line transient protection (HN) | W1DTY | 75 | Jul 68 | |
Line-voltage monitor (HN) | WA8VFK | 66 | Jan 74 | + |
Line-voltage monitor (HN) | Current monitor mod (letter) | 61 | Mar 75 | + |
Load protection, scr (HN) | W5OZF | 62 | Oct 72 | |
Low voltage, variable bench power supply (weekender) | W6NBI | 58 | Mar 76 | + |
Low-value voltage source (HN) | WA5EKA | 66 | Nov 71 | + |
Low-voltage dc power supplies - Repair Bench | K4IPV | 38 | Oct 79 | + |
Low-voltage power supplies, designing | W4MLE | 46 | Mar 85 | + |
Low-voltage power supplies, designing | Short circuit | 121 | May 85 | + |
Low-voltage supply (HN) | WB2EGZ | 57 | Jun 68 | |
Low-voltage supply with short-circuit protection | WB2EGZ | 22 | Apr 68 | |
Mobile power supplies, troubleshooting | Allen | 56 | Jun 70 | + |
Mobile power supply (HN) | WN8DJV | 79 | Apr 70 | |
Mobile supply, low-cost (HN) | W4GEG | 69 | Jul 70 | |
Motorola Dispatcher, converting to 12 volts | WB6HXU | 26 | Jul 72 | |
Ni-cad charger, any-state | WA6TBC | 66 | Dec 79 | + |
Nicad battery care (HN) | W1DHZ | 71 | Feb 76 | + |
Nickel-cadmium batteries, time-current charging | W1OLP | 32 | Feb 79 | + |
Operational power supply | WA2IKL | 8 | Apr 70 | |
Overvoitage protection (HN) | W1AAZ | 64 | Apr 76 | + |
Pilot-lamp life (HN) | W2OLU | 71 | Jul 73 | + |
Polarity inverter, medium current | Laughlin | 26 | Nov 73 | + |
Power supplies for single sideband | Belt | 38 | Feb 69 | + |
Power supply for the big amplifier | W6YUY | 64 | Jun 82 | + |
Power supply protection for your solid-state circuits | W5JJ | 36 | Jan 70 | + |
Power supply troubleshooting (repair bench) | K4IPV | 78 | Sep 77 | + |
Power supply, amplifier | WA2GFP | 32 | Sep 83 | + |
Power supply, improved (HN) | W4ATE | 72 | Feb 72 | |
Power supply, precision | W7SK | 26 | Jul 71 | |
Power supply, six-output | Martin, Vaughn D. | 12 | Oct 84 | + |
Power supply, switching high-voltage | W5FG | 48 | Apr 84 | + |
Power-supply hum (HN) | W8YFB | 64 | May 71 | + |
Practically speaking: battery problems, pt1 | K4IPV | 62 | Jul 87 | + |
Practically speaking: battery problems, pt2 | K4IPV | 73 | Aug 87 | + |
Practically speaking: bench power supply | K4IPV | 55 | Mar 86 | + |
Precision high-voltage dc regulator | AG6K | 75 | Aug 88 | + |
Precision voltage supply for phase-locked terminal unit (HN) | WA6TLA | 60 | Jul 74 | + |
Protection for solid-state power supplies (HN) | W3NK | 66 | Sep 70 | + |
Protection for your solid-state devices | W1OOP | 52 | Mar 81 | + |
Pulse width modulated dc-to-dc converters | W3CZ | 65 | Oct 87 | + |
Rectifier, half-wave, improved | Bailey | 34 | Oct 73 | + |
Regulated 5-volt supply (HN) | W6UNF | 67 | Jan 73 | + |
Regulated power supplies, designing (letter) | W9HFR | 110 | Mar 78 | + |
Regulated power supplies, how to design | K5VKQ | 58 | Sep 77 | + |
Regulated power supply, 500-watt | WA6PEC | 30 | Dec 77 | + |
Regulated power supply, 500-watt | Short circuit | 94 | Feb 79 | + |
Regulated screen grid power supply | AG6K | 51 | Jun 86 | + |
Regulated solid-state high-voltage power supply | W6GXN | 40 | Jan 75 | + |
Regulated solid-state high-voltage power supply | Short circuit | 69 | Apr 75 | + |
Regulator problem solved (HN) | W6XM | 97 | Dec 83 | + |
Safe power for your low-noise GaAa FET amplifier | WA9HUV | 18 | Nov 82 | + |
SCR-regulated power supplies | W4GOC | 52 | Jul 70 | |
Selenium rectifiers, replacing | W1DTY | 41 | Apr 76 | + |
Servicing power supplies | W6GXN | 44 | Nov 76 | + |
Solar energy | W3FQJ | 54 | Jul 74 | + |
Solar power | W3FQJ | 52 | Nov 74 | + |
Solar power source, 36-volt | W3FQJ | 54 | Jan 77 | + |
Squirrel-cage motors make field-day power supplies (HN) | K6DZY | 74 | Aug 81 | + |
Step-start circuit, high-voltage (HN) | W6VFR | 63 | Sep 71 | |
Storage-battery QRP power | W3FQJ | 64 | Oct 74 | + |
Storing lead-acid batteries (comment) | N5OP | 9 | Sep 88 | + |
Super regulator, the MPC1000 | W3HUC | 52 | Sep 76 | + |
Superdischarger (Weekender) | K3OF | 73 | Apr 90 | + |
Survey of solid-state power supplies | W6GXN | 25 | Feb 70 | |
Survey of solid-state power supplies | Short circuit | 76 | Sep 70 | + |
Temperature control, automatic | WB5IRI | 75 | Jun 85 | + |
The Guerri report: RF power supplies achieve high efficiency | W6MGI | 157 | Sep 85 | + |
Thermoelectric power supplies | K1AJE | 48 | Sep 68 | |
Trans-global power supply (HN) | W9CGI | 76 | Nov 82 | + |
Transformer shorts | W6BLZ | 36 | Jul 68 | |
Transformers, high-voltage, repairing | W6NIF | 66 | Mar 69 | |
Transformers, miniature (HN) | W4ATE | 67 | Jul 72 | |
Transformers, wind your own inexpensively | W4GDW | 96 | Jun 85 | + |
Transient eliminator (C&T) | W1DTY | 52 | Jun 76 | + |
Transients, reducing | W5JJ | 50 | Jan 73 | + |
Two-way power for the IC2AT 2-meter handheld | WB3JJF | 57 | Feb 82 | + |
Two-way power for the IC2AT 2-meter handheld | Comments WB4MNW, WB3JJF | 8 | Jul 82 | + |
Understanding and Using 723 Voltage Regulators | K3OF | 42 | Mar 89 | + |
Vacuum tube substitution | W2YE | 58 | Oct 88 | + |
Variable high-voltage supply | W1OLP | 62 | Dec 79 | + |
Variable power supply for transistor work | WA4MTH | 68 | Mar 76 | + |
Variable Voltage Regulator, The Weekender | K3HW | 20 | Jul 89 | + |
Variable-voltage power supply, 1.2 amps | WB6AFT | 36 | Jul 78 | + |
VHF transceivers, regulated power supply for | WA8RXU | 58 | Sep 80 | + |
Vibrator replacement, solid-state (HN) | K8RAY | 70 | Aug 72 | |
Voltage regulators, boosting bargain (HN) | WA7VVC | 90 | May 77 | + |
Voltage regulators, IC | W7FLC | 22 | Oct 70 | |
Voltage regulators, IC | W6GXN | 31 | Mar 77 | + |
Voltage safety valve | W2UVF | 78 | Oct 76 | + |
Voltage-regulator ICs, adjustable | WB9KEY | 36 | Aug 75 | + |
Voltage-regulator ICs, three-terminal | WB5EMI | 26 | Dec 73 | + |
Voltage-regulator ICs, three-terminal | Added note (letter) | 73 | Sep 74 | + |
Wind generators | W3FQJ | 50 | Jan 75 | + |
Zener diodes (HN) | K3DPJ | 79 | Aug 68 | |