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  • Converting PC Power Supply - Converting a PC Switching Power Supply to 13.5V by AA3SJ
    [ Hits: 1022 | Votes: 4 | Rating: 7.25 ]
  • DC Buss Box - A DC buss distribution box, make it yourself for less than $10
    [ Hits: 359 | Votes: 1 | Rating: 7.00 ]
  • DC Distribution Box Project - DC Distribution Box with Reverse Voltage, Over Voltage and Transient Protection, A multi-way DC distribution board. Standardised connections to protect against accidental reverse connections. Diode protection, incorporating a transient suppressor. An over-voltage crowbar circuit. Option to add a digital volt meter display
    [ Hits: 323 | Votes: 1 | Rating: 10.00 ]
  • DC to DC (12 to 24 V) Voltage Converter - This page describes a DC to DC voltage converter, pretty simple, for currents up to 500 mA by sv1bsx
    [ Hits: 1315 | Votes: 2 | Rating: 5.50 ]
  • External HT power - Here is a way to get that old HT back in the battle again.
    [ Hits: 220 | Votes: 0 | Rating: 0.00 ]
  • Fix the Astron Power Supply Amp Meter - How fix Astron 70 model number VS-70M amp meter not working
    [ Hits: 257 | Votes: 0 | Rating: 0.00 ]
  • High AMP Crowbar Protected PSU - A crowbar protected PSU project by G8MNY
    [ Hits: 423 | Votes: 0 | Rating: 0.00 ]
  • High current power supply for rigs - High current universal supply for rigs, project article by VU3NSH
    [ Hits: 1641 | Votes: 2 | Rating: 1.00 ]
  • High voltage power supply - An High voltage power supply design by F1FRV
    [ Hits: 516 | Votes: 81 | Rating: 4.43 ]
  • Hight voltage power supply - High Voltage Supply for GS 35B Amplifier
    [ Hits: 2119 | Votes: 6 | Rating: 9.33 ]
  • How to convert Server Power Supplies - The practice of converting computer server power supplies to make a very high quality high power supply at low cost is attractive. It doesn't normally require any modification to the supply but the hard part is figuring out how to trick them into turning on.
    [ Hits: 634 | Votes: 0 | Rating: 0.00 ]
  • How to obtain a dual voltage without a transformer - How to obtain a dual voltage without a transformer
    [ Hits: 4596 | Votes: 6 | Rating: 9.00 ]
  • HV power supplies - WV0NNI 2,800 VDC @ 2 Amps Continuous Variac adjusts filament voltage. A voltage doubler circuit, well suited for smaller, compact linear amplifiers.
    [ Hits: 1272 | Votes: 1 | Rating: 5.00 ]
  • ICOM IC-E90 Adapter - Adapter power supply for IC-E90 by IW0HEX
    [ Hits: 486 | Votes: 1 | Rating: 1.00 ]
  • ICOM PS-125 Mods - Fan modification for the ICOM PS-125, by KK5DR
    [ Hits: 884 | Votes: 0 | Rating: 0.00 ]
  • LM338 Power Supply Project - Variable Power Supply for the bench
    [ Hits: 428 | Votes: 0 | Rating: 0.00 ]
  • Modifying HP Proliant Server Power Supplies - This article documents the modification of 2 types of Hewlett Packard switching power supplies to enable their use as power sources for ham radio equipment
    [ Hits: 1174 | Votes: 3 | Rating: 7.10 ]
  • Multi-functional Power Supplies - Two types of multi-functional Home-brew 6/8Amps - 20 Ampere variable power supplies by ON6MU
    [ Hits: 1655 | Votes: 3 | Rating: 8.67 ]
  • Non-relay instant RF Switching - Coax lines to do the RF switching. The advantages are instant switching, no power wasting DC control circuits.
    [ Hits: 327 | Votes: 0 | Rating: 0.00 ]
  • PC Power Supplies to Ham Equipment - Converting A PC Power supply for Amateur Equipment
    [ Hits: 1349 | Votes: 2 | Rating: 9.50 ]
  • PETH-40-HAM - +/- 15 V, 1.5 A power supply project
    [ Hits: 171 | Votes: 0 | Rating: 0.00 ]
  • PETH-49 2A Power Supply - A linear regulated power supply 2A, 20 V designed mainly to get used to soldering and have something usefull as final result.
    [ Hits: 245 | Votes: 0 | Rating: 0.00 ]
  • Peth-9910 10A Power Supply - A project of a linear regulated for low noise power supply 16v, 10A
    [ Hits: 494 | Votes: 1 | Rating: 3.00 ]
  • Power supplies with UA78 - 13,8 v / 1 A power supplies using the UA78 series by ON6MU
    [ Hits: 591 | Votes: 2 | Rating: 5.50 ]
  • Power Supply Analysis - This article explains how a linear power supply works, QST Article
    [ Hits: 717 | Votes: 0 | Rating: 0.00 ]
  • Power Supply Design - A home learning tutorial on the basics of designing simple power supplies for radio projects by VK2TIP
    [ Hits: 2145 | Votes: 0 | Rating: 0.00 ]
  • Power supply from 3 to 30 V with an L200 IC - This was written by dl5dbm, Anwar von Sroka
    [ Hits: 2619 | Votes: 16 | Rating: 5.25 ]
  • Power Supply Page - A good overview article on power supplies by Karl Shoemaker AK2O of the Spokane Repeater Group
    [ Hits: 1151 | Votes: 3 | Rating: 9.00 ]
  • Power supply with an L200 IC  updated - Power supply from 3 to 30 V with an L200 IC by dl5dbm
    [ Hits: 1428 | Votes: 7 | Rating: 7.57 ]
  • Repair FP-29 Power Supply - Notes on troubleshooting and repairing a yaesu FP-29 power supply by va3cr
    [ Hits: 656 | Votes: 3 | Rating: 5.33 ]
  • Repairing switchmode power supplies - Notes on the Troubleshooting and Repair of Small Switchmode Power Supplies
    [ Hits: 422 | Votes: 1 | Rating: 2.00 ]
  • SSB20 power supply for SSB transceivers - 20 Amps peak of recycled grunt for SSB transceivers
    [ Hits: 1959 | Votes: 6 | Rating: 8.17 ]
  • Switching Regulator Basics - Switching Regulator Basics By Mike Martell N1HFX
    [ Hits: 349 | Votes: 0 | Rating: 0.00 ]
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