GM8BJF measuring voltage on a modified PC PSU
At the meeting of the Lothians Radio Society on 22nd February LRS member Dr. Brian Flynn GM8BJF described how to modify computer power supply units for use in Amateur Radio. The talk started off with a description of the operation of SMPS – Switch-Mode Power Supplies – and an explanation of the commonly used topologies (circuit configurations). Finally he advised on how to choose “good” ones for conversion. Short report in Meeting Reports. Full Powerpoint presentation on Brian’s Website.