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 […]
Tag: Service Monitor
Update to IFR Inverter Board Recreation Project
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 1500 Inverter Board Project
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 […]
IFR 1600S Added to the Bench
A new tool has been added to the KK4ICE workbench — an IFR 1600S service monitor. The spectrum analyzer and tracking generator functions included in this piece of gear will make the tuning of duplexer cavities, filters, and antennas even easier than before. Add in all the other great features and this machine will serve […]