13.8 v power supply

10 Amp 13.8 Volt Power Supply - Sometimes amateurs like to home-brew their power supplies instead of purchasing one off the shelf at any of the major ham radio retail dealers.

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

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

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

A CW TX for 80 meters band - This simple circuit will give about 1.2 Watts of output when powered from a 13.8VDC supply.

40 CW QRP Transmitter  ^new - Here is a easy to build and cheap CW transmitter using 40 m cristals. Power output is approximately 6 Watts for a supply voltage of 13.8 VDC