[hpsdr] Power Meter

[Bill Tracey]

Hi Gerd,

Not sure what hardware you're referring to as none of the HPSDR 
hardware does 100 watts yet.

For Penny the firmware sends up a 12 bit number indicating the 
forward power - I don't actually know what the dc voltages involved 
on the hardware are - I just interpolate the number  from the 
firmware based on measurements I did on a number of Penny 
boards.  The details of the interpolation are in the code - 
Console\HPSDR\JanusAudio.cs  - computeFwdPower() shows the details of 
the interpolation.

Not sure this is the question you were asking.

Regards,

Bill  (kd5tfd)

At 08:21 AM 5/15/2009, Gerd Loch wrote:
>***** High Performance Software Defined Radio Discussion List *****
>
>Hi Bill,
>
>Which dc voltage after the swr-bridge represents 100W on the power meter
>in PowerSDR?
>3.0V?
>
>Gerd, DJ8AY
>
>
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