I want to use my FT-900CAT and the IF-232C interface to my IBM 380Z PC
running NA. I'll be operating as a mobile rover station in the Michigan QSO
Party in my Toyota 4WD. It would be great to have the radio and log
inter-connected as at the home station. Trouble is, the IF-232C has no
Yaesu supplied 12V input port.
The power supply section of the IF-232C has a bridge rectifier circuit. The
positive side goes through a 12V regulator chip. I could input the vehicle
+12 VDC at the +12 VDC output terminal and it would probably work without a
problem. The negative side of the bridge is not tied directly to the
chassis ground and I suspect if I tried to hook the -12 VDC from the truck
here I would have lots of RF problems as a result. The center tap of the
power supply transformer is tied to chassis ground NOT the low side of the
Have any of you found a way to go mobile with the IF-232C?
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