Power Supply

12 Volt 30 Amp Power Supply - Project for a 12 volt, 30 ampere Power Supply Unit

15 A from a PC Power Supply - 13.8 V 15A from a PC power supply

40 AMP Power Supply - G4YNM article on a 40A power supply unit

12/20 Ampere power supplies - Two types of home-brewed 12/20 Ampere 13,8volt power supplies, including detailed part lists by ON6MU

A secure power supply - Dchematics and photos of a secure power supply (short-cut, Rf feedback, high voltage etc.) by iz7ath

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

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

20 Amp power supply - A 13.8 volt 20 Ampere power supply project

How to obtain a dual voltage without a transformer - How to obtain a dual voltage without a transformer

12VDC Power Supply - It is easy to build a 12 VDC power supply out of an old computer power supply.

40A-13.8V Switching Power Supply - Ever want a really big power supply that can handle all your 12v needs around the shack ?

12 Volt 30 Amp Power Supply  ^pop - Project for a 12 volt, 30 ampere Power Supply Unit

0-20V 5A adjustable power supply - This project describe building an adjustable power supply, capable of delivering 0-20V output at 5A.

0-30V 10A adjustable power supply - Building a microprocessor controller power supply, capable of delivering 0-30V output at 10 A.

12 to 28v Boost regolator - for those times when you have a 28v relay, but want to use it with a 12v source

12/20 Ampere power supplies - Two types of home-brewed 12/20 Ampere 13,8volt power supplies, including detailed part lists by ON6MU

12V System Surge protection - A surge protection project by G8MNY

12VDC Power Supply - It is easy to build a 12 VDC power supply out of an old computer power supply.

15 A from a PC Power Supply - 13.8 V 15A from a PC power supply

20 Amp power supply - A 13.8 volt 20 Ampere power supply project

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

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

2A Power Supply - Schematic of a regulated 0-24v 2A Power Supply

30 Volt Computer Power Supply Stack - What do you do with a bunch of old computer power supplies?

4 Amp one transistor power supply - ON6MU 4 A power supply using a BDX33

40 AMP Power Supply - G4YNM article on a 40A power supply unit

40A-13.8V Switching Power Supply - Ever want a really big power supply that can handle all your 12v needs around the shack ?

4AMP 18v power supply - Schematic of a 4 AMP / 18v regulated power supply by ON6MU

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

600v Power Supply - A 600 volts power supply for QRO

A Complete 13.8 Volt, 20 Amp PSU - Article by Steven Goodier, G4KUB and John Goodier, G4KUC

A low cost 4 Amp power supply - A low cost, compact 4 Ampere regulated power supply

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

A secure power supply - Dchematics and photos of a secure power supply (short-cut, Rf feedback, high voltage etc.) by iz7ath

An universal power supply for rigs - VU3NSH article on high current universal supply for rigs

Astron Power Supplies Mods - Technical and modification information on Astron Power Supplies compiled from a number of different sources by Mike Morris WA6ILQ

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

Convert a PC Power Supply - 13.8 V / 15 A from a PC Power Supply

Convert a PC Power Supply - Convert a PC power supply for your ham radio transceiver

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.

Converting HP ProLiant Power Supplies - Converting HP ProLiant Power Supplies for Amateur Radio Use

DC Buss Box - A DC buss distribution box, make it yourself for less than $10

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

Fix the Astron Power Supply Amp Meter - How fix Astron 70 model number VS-70M amp meter not working

High AMP Crowbar Protected PSU - A crowbar protected PSU project by G8MNY

High current power supply for rigs - High current universal supply for rigs, project article by VU3NSH

High voltage power supply  ^updated - An High voltage power supply design by F1FRV

Hight voltage power supply - High Voltage Supply for GS 35B Amplifier

How to obtain a dual voltage without a transformer - How to obtain a dual voltage without a transformer

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.

ICOM IC-E90 Adapter - Adapter power supply for IC-E90 by IW0HEX

ICOM PS-125 Mods - Fan modification for the ICOM PS-125, by KK5DR

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

Multi-functional Power Supplies - Two types of multi-functional Home-brew 6/8Amps - 20 Ampere variable power supplies by ON6MU

Non-relay instant RF Switching - Coax lines to do the RF switching. The advantages are instant switching, no power wasting DC control circuits.

PC Power Supplies to Ham Equipment - Converting A PC Power supply for Amateur Equipment

PETH-40-HAM - +/- 15 V, 1.5 A power supply project

Power supplies with UA78 - 13,8 v / 1 A power supplies using the UA78 series by ON6MU

Power Supply Analysis - This article explains how a linear power supply works, QST Article

Power Supply Design - A home learning tutorial on the basics of designing simple power supplies for radio projects by VK2TIP

Power supply from 3 to 30 V with an L200 IC - This was written by dl5dbm, Anwar von Sroka