Charles,
You asked about why 2.4V on IC5's outputs. It's because in transmit it's outputting a 5V square wave at the the operating frequency. On a DVM that high frequency square wave will read ~2.5V.
Are you doing 'sweeps' testing with a dummy load attached? If so that could explain your zany results.
At this point, are you able to receive signals over the air and on all bands?
As far as current draw during receive (at idle) if you are using one of the buck converters to read this it might be better to do this the traditional way using a DVM inline with the positive lead of the power supply.?
Thanks!
--Al
WD4AH
