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Power Supply

Power supply projects and modifications for ham radio

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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: 2711 | Votes: 6 | 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: 3842 | Votes: 11 | Rating: 3.65 ]
    • 12 to 28v Boost regolator - for those times when you have a 28v relay, but want to use it with a 12v source
      [ Hits: 339 | Votes: 1 | Rating: 10.00 ]
    • 12 Volt 30 Amp Power Supply  updated - Project for a 12 volt, 30 ampere Power Supply Unit
      [ Hits: 16675 | 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: 7270 | Votes: 7 | Rating: 5.57 ]
    • 12V System Surge protection - A surge protection project by G8MNY
      [ Hits: 347 | 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: 4305 | Votes: 3 | Rating: 5.33 ]
    • 15 A from a PC Power Supply - 13.8 V 15A from a PC power supply
      [ Hits: 11578 | Votes: 8 | Rating: 7.51 ]
    • 20 Amp power supply - A 13.8 volt 20 Ampere power supply project
      [ Hits: 5450 | 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: 2549 | 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: 1184 | Votes: 0 | Rating: 0.00 ]
    • 2A Power Supply - Schematic of a regulated 0-24v 2A Power Supply
      [ Hits: 1464 | Votes: 5 | Rating: 4.40 ]
    • 30 Volt Computer Power Supply Stack - What do you do with a bunch of old computer power supplies?
      [ Hits: 2626 | Votes: 4 | Rating: 7.50 ]
    • 4 Amp one transistor power supply - ON6MU 4 A power supply using a BDX33
      [ Hits: 1289 | Votes: 0 | Rating: 0.00 ]
    • 40 AMP Power Supply - G4YNM article on a 40A power supply unit
      [ Hits: 10232 | Votes: 17 | Rating: 6.42 ]
    • 40A-13.8V Switching Power Supply - Ever want a really big power supply that can handle all your 12v needs around the shack ?
      [ Hits: 4276 | Votes: 12 | Rating: 3.84 ]
    • 4AMP 18v power supply  updated - Schematic of a 4 AMP / 18v regulated power supply by ON6MU
      [ Hits: 965 | 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: 6222 | Votes: 4 | Rating: 4.75 ]
    • 600v Power Supply - A 600 volts power supply for QRO
      [ Hits: 224 | Votes: 1 | Rating: 8.00 ]
    • A Complete 13.8 Volt, 20 Amp PSU - Article by Steven Goodier, G4KUB and John Goodier, G4KUC
      [ Hits: 2981 | Votes: 0 | Rating: 0.00 ]
    • A low cost 4 Amp power supply - A low cost, compact 4 Ampere regulated power supply
      [ Hits: 451 | 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: 2248 | 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: 6783 | Votes: 3 | Rating: 8.67 ]
    • Amplifier power supply - Schematic diagram for a high voltage power supply by W4NFR
      [ Hits: 147 | Votes: 1 | Rating: 8.00 ]
    • An universal power supply for rigs - VU3NSH article on high current universal supply for rigs
      [ Hits: 1535 | 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: 1226 | 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: 7380 | Votes: 29 | Rating: 8.14 ]
    • Convert a PC Power Supply - 13.8 V / 15 A from a PC Power Supply
      [ Hits: 2334 | Votes: 0 | Rating: 0.00 ]
    • Convert a PC Power Supply - Convert a PC power supply for your ham radio transceiver
      [ Hits: 1556 | 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: 2771 | Votes: 4 | Rating: 7.75 ]
    • Converting HP ProLiant Power Supplies - Converting HP ProLiant Power Supplies for Amateur Radio Use
      [ Hits: 264 | Votes: 1 | Rating: 10.00 ]
    • DC Buss Box - A DC buss distribution box, make it yourself for less than $10
      [ Hits: 243 | 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: 1158 | Votes: 2 | Rating: 5.50 ]
    • External HT power - Here is a way to get that old HT back in the battle again.
      [ Hits: 121 | 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: 167 | Votes: 0 | Rating: 0.00 ]
    • High AMP Crowbar Protected PSU - A crowbar protected PSU project by G8MNY
      [ Hits: 411 | Votes: 0 | Rating: 0.00 ]
    • High current power supply for rigs - High current universal supply for rigs, project article by VU3NSH
      [ Hits: 1583 | Votes: 2 | Rating: 1.00 ]
    • High voltage power supply  updated - An High voltage power supply design by F1FRV
      [ Hits: 309 | Votes: 23 | Rating: 9.53 ]
    • Hight voltage power supply - High Voltage Supply for GS 35B Amplifier
      [ Hits: 1992 | Votes: 6 | Rating: 9.33 ]
    • How to obtain a dual voltage without a transformer - How to obtain a dual voltage without a transformer
      [ Hits: 4410 | 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: 1149 | Votes: 1 | Rating: 5.00 ]
    • ICOM IC-E90 Adapter - Adapter power supply for IC-E90 by IW0HEX
      [ Hits: 368 | Votes: 1 | Rating: 1.00 ]
    • ICOM PS-125 Mods - Fan modification for the ICOM PS-125, by KK5DR
      [ Hits: 656 | 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: 243 | Votes: 1 | Rating: 1.00 ]
    • Multi-functional Power Supplies - Two types of multi-functional Home-brew 6/8Amps - 20 Ampere variable power supplies by ON6MU
      [ Hits: 1562 | Votes: 3 | Rating: 8.67 ]
      Result Page:  1 2 [>>]
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