[hpsdr] Transverter output on ANAN 200D

[Glenn Elmore]

In transverter mode (VHF bands) the actual power is modified by the gain 
settings.  This allows setting "100" on drive to correspond to whatever 
drive level you actually  need to produce whatever you want to call 
"full power" on your particular transverter.

The maximum level available will depend upon the coupling between the TX 
output (of the Hermes, Angelia or Orion board on an Apache radio) and 
the Transverter connector. For some radios there are NO resistors 
loaded. I found this to be the case on one Apache 10E. For others it 
*might* be near 20 dB.  But whatever it is, the individual 
per-transverter-band settings are adjusted under Setup:PA Settings:PA 
Gains in PSDR mRX.

The corresponding receive gain settings are set up under XVTRs:Rx Gain.

Once these two are set to match the transverter in use (along with the 
correct LO settings and valid frequency range) that transverter transmit 
IF power should be correct to give 100% output while the receive side 
should be calibrated. This is very useful since it allows direct 
measurement of both signal and noise (very important) levels on the 
transverter bands.


Glenn n6gn