[hpsdr] PennyWhistle output power...

[John Ackermann N8UR]

Remember that a Bird slug is rated at +/-5% of full scale, so with a 
250W slug the actual power could be anywhere from 2.5 to 27.5 watts.

John
---

n3evl said the following on 11/30/2009 09:28 PM:
> ***** High Performance Software Defined Radio Discussion List *****
> 
> PW seems to be working however, I'm seeing about 15W into a dummy load, 
> measured on a Bird Watt meter with a 250W slug.  This is with the 
> settings as given in the guide e.g. on 20m, PA Gain=41.0 and CW Drive of 
> 100 (Value of 100 set in the Tune Power field in PSDR Setup|transmit).
> I don't have a meter sensitive enough to measure output from Penelope 
> but have done the required output transformer flip.
> 
> Should I be seeing a value of 20W or is some divergence from the 
> published values to be expected?
> 
> Is it reasonable to adjust the PA Gain setting to attempt to bring the 
> value closer to 20W?
> 
> Thanks,
> 
> Pete, N3EVL
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