Power Supply

Power supply projects and modifications for ham radio

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Home : Technical Reference : Power Supply

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  • 0-20V 5A adjustable power supply - This project describe building an adjustable power supply, capable of delivering 0-20V output at 5A.
    [ Hits: 2747 | Votes: 7 | Rating: 6.00 ]
  • 0-30V 10A adjustable power supply - Building a microprocessor controller power supply, capable of delivering 0-30V output at 10 A.
    [ Hits: 3937 | Votes: 14 | Rating: 4.37 ]
  • 12 to 28v Boost regolator - for those times when you have a 28v relay, but want to use it with a 12v source
    [ Hits: 349 | Votes: 1 | Rating: 10.00 ]
  • 12 Volt 30 Amp Power Supply - Project for a 12 volt, 30 ampere Power Supply Unit
    [ Hits: 16858 | Votes: 29 | Rating: 4.23 ]
  • 12/20 Ampere power supplies - Two types of home-brewed 12/20 Ampere 13,8volt power supplies, including detailed part lists by ON6MU
    [ Hits: 7349 | Votes: 7 | Rating: 5.57 ]
  • 12V System Surge protection - A surge protection project by G8MNY
    [ Hits: 348 | Votes: 0 | Rating: 0.00 ]
  • 12VDC Power Supply - It is easy to build a 12 VDC power supply out of an old computer power supply.
    [ Hits: 4344 | Votes: 3 | Rating: 5.33 ]
  • 15 A from a PC Power Supply - 13.8 V 15A from a PC power supply
    [ Hits: 11696 | Votes: 10 | Rating: 6.81 ]
  • 20 Amp power supply - A 13.8 volt 20 Ampere power supply project
    [ Hits: 5452 | Votes: 4 | Rating: 5.75 ]
  • 20/22A or 30/32A 13.8 v power supply - 20/22 Ampere or 30/32 Ampere 13.8 volts power supply RE-PSF14A20 or PSF14A30 by ON6MU
    [ Hits: 2581 | Votes: 0 | Rating: 0.00 ]
  • 28 VDC Power Supply - This little project will make a portable 28 Volt DC power supply using two 12 Volt, 4.5 Ah rechargeable lead-acid batteries
    [ Hits: 1200 | Votes: 0 | Rating: 0.00 ]
  • 2A Power Supply - Schematic of a regulated 0-24v 2A Power Supply
    [ Hits: 1483 | Votes: 5 | Rating: 4.40 ]
  • 30 Volt Computer Power Supply Stack - What do you do with a bunch of old computer power supplies?
    [ Hits: 2634 | Votes: 4 | Rating: 7.50 ]
  • 4 Amp one transistor power supply - ON6MU 4 A power supply using a BDX33
    [ Hits: 1308 | Votes: 0 | Rating: 0.00 ]
  • 40 AMP Power Supply - G4YNM article on a 40A power supply unit
    [ Hits: 10366 | Votes: 17 | Rating: 6.42 ]
  • 40A-13.8V Switching Power Supply  updated - Ever want a really big power supply that can handle all your 12v needs around the shack ?
    [ Hits: 4374 | Votes: 13 | Rating: 3.93 ]
  • 4AMP 18v power supply - Schematic of a 4 AMP / 18v regulated power supply by ON6MU
    [ Hits: 989 | Votes: 2 | Rating: 3.50 ]
  • 5 Amp power supply for portable usage - A 13,8v/5Amp 78H05 based power supply for portable use. In this example used to power up a Yaesu FT-817
    [ Hits: 6332 | Votes: 4 | Rating: 4.75 ]
  • 600v Power Supply - A 600 volts power supply for QRO
    [ Hits: 232 | Votes: 1 | Rating: 8.00 ]
  • A Complete 13.8 Volt, 20 Amp PSU - Article by Steven Goodier, G4KUB and John Goodier, G4KUC
    [ Hits: 2990 | Votes: 0 | Rating: 0.00 ]
  • A low cost 4 Amp power supply - A low cost, compact 4 Ampere regulated power supply
    [ Hits: 457 | Votes: 1 | Rating: 8.00 ]
  • A Power Supply on the Cheap - Need a variable power supply that is short circuit protected and over voltage protected; Here is a good one that can be built cheap by VE3IVJ
    [ Hits: 2271 | Votes: 0 | Rating: 0.00 ]
  • A secure power supply - Dchematics and photos of a secure power supply (short-cut, Rf feedback, high voltage etc.) by iz7ath
    [ Hits: 6815 | Votes: 3 | Rating: 8.67 ]
  • Amplifier power supply - Schematic diagram for a high voltage power supply by W4NFR
    [ Hits: 166 | Votes: 1 | Rating: 8.00 ]
  • An universal power supply for rigs - VU3NSH article on high current universal supply for rigs
    [ Hits: 1550 | Votes: 0 | Rating: 0.00 ]
  • Astron Power Supplies Mods - Technical and modification information on Astron Power Supplies compiled from a number of different sources by Mike Morris WA6ILQ
    [ Hits: 1279 | Votes: 1 | Rating: 10.00 ]
  • Astron RS35m Power Supply Schematic - Astron RS35m Power Supply Schematic annotated with Notes from QST Hands-On Radio, "Experiment #35—Power Supply Analysis" PDF File
    [ Hits: 7639 | Votes: 29 | Rating: 8.14 ]
  • Convert a PC Power Supply - 13.8 V / 15 A from a PC Power Supply
    [ Hits: 2355 | Votes: 0 | Rating: 0.00 ]
  • Convert a PC Power Supply - Convert a PC power supply for your ham radio transceiver
    [ Hits: 1574 | Votes: 4 | Rating: 3.00 ]
  • Convert PC Power Supplies for use by Ham Radio - PC power supply conversion for ham radio use. Slide show overview showing how convert PC Power supplies to ham radio use presented at the August 2007 FSARC meeting.
    [ Hits: 2833 | Votes: 4 | Rating: 7.75 ]
  • Converting HP ProLiant Power Supplies - Converting HP ProLiant Power Supplies for Amateur Radio Use
    [ Hits: 288 | Votes: 1 | Rating: 10.00 ]
  • Converting PC Power Supply - Converting a PC Switching Power Supply to 13.5V by AA3SJ
    [ Hits: 246 | Votes: 2 | Rating: 6.00 ]
  • DC Buss Box - A DC buss distribution box, make it yourself for less than $10
    [ Hits: 261 | Votes: 1 | Rating: 7.00 ]
  • 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: 1173 | Votes: 2 | Rating: 5.50 ]
  • External HT power - Here is a way to get that old HT back in the battle again.
    [ Hits: 127 | 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: 180 | Votes: 0 | Rating: 0.00 ]
  • High AMP Crowbar Protected PSU - A crowbar protected PSU project by G8MNY
    [ Hits: 413 | Votes: 0 | Rating: 0.00 ]
  • High current power supply for rigs - High current universal supply for rigs, project article by VU3NSH
    [ Hits: 1599 | Votes: 2 | Rating: 1.00 ]
  • High voltage power supply - An High voltage power supply design by F1FRV
    [ Hits: 330 | Votes: 24 | Rating: 9.55 ]
  • Hight voltage power supply - High Voltage Supply for GS 35B Amplifier
    [ Hits: 2004 | Votes: 6 | Rating: 9.33 ]
  • How to obtain a dual voltage without a transformer - How to obtain a dual voltage without a transformer
    [ Hits: 4428 | 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: 1156 | Votes: 1 | Rating: 5.00 ]
  • ICOM IC-E90 Adapter - Adapter power supply for IC-E90 by IW0HEX
    [ Hits: 374 | Votes: 1 | Rating: 1.00 ]
  • ICOM PS-125 Mods - Fan modification for the ICOM PS-125, by KK5DR
    [ Hits: 684 | 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: 268 | Votes: 1 | Rating: 1.00 ]
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