I’m still waiting for a batch of the IRF521 FET’s to arrive so that I can install two of them and finish the board up and install it in the IFR FM/AM-1500. Meanwhile, I just conducted the testing of the operation of the board. The purpose of this testing was to confirm that the J-K […]
The project of building in Inverter Board for the IFR FM/AM-1500 Service Monitor from scratch is moving along pretty nicely. At the moment, I’m simply waiting for a supply of IRF521 FET’s to arrive, at which point I’ll just have to add two of them to this board, reinstall the board, and test the machine. […]
IFR FM/AM-1500 Inverter Board recreation. The original board was seriously damaged when one of the IRF521 FET’s went up in smoke. I tried to patch it up and replace the burned out FET, but the board is pretty much a “goner.” The power supply is still getting “bogged down” with this board in place, and […]