Notes on using ATX power supplies to power transceivers

There are many articles on the Internet about modifying ATX-style PC power supplies for use as 12 volt bench supplies. This instructables article is a good example. I won't repeat most of the details here, but I will give some notes about amateur radio use of these supplies.



Rated 12V output varies widely even among supplies with the same wattage rating. Look for the highest 12V output you can find. 10A is pretty common but I managed to find one rated for 18A.

Basic connections to make the supply run:

RFI issues:

73 de N8SRE