[hpsdr] Penny Power
Bill Tracey
bill at ewjt.com
Sun Mar 15 12:32:13 PDT 2009
Ken -- re power out on CW -- try the latest code (28 Feb 2009).
As to AM and FM -- I think this is by design,
although I can't say I've looked into it in any
great detail. I've not changed any of the power
handling code for Penelope, so I think this is the default PowerSDR behavior.
Regards,
Bill (kd5tfd)
At 08:19 PM 3/14/2009, Ken wrote:
>***** High Performance Software Defined Radio Discussion List *****
>
>
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>First I would like to say that I have my Penny
>group-buy kit assembled and transmitting. Ta Da.
>
>Now I have some questions about how the power output is supposed to work.
>
>(I am using PowerSDR 1.10.4/2025 (10 Jan) and Penelope_V1.1)
>
>TUN on SSB and CW produces 100% power output
>with the tune drive setting at 100% I can
>adjust the actual power using the calibration
>screen. But the TX meter on the main menu only
>indicates the power on sideband modes; it shows
>zero on CW, when in fact there really is power coming out.
>
>On transmit (MOX) I observed the following:
>
>On FM, power is automatically set from 100% down
>to 40% - I guess this is OK, except that there
>does not seem to be any way to set it, for
>example to 50%. The 40% is indicated in the
>drive control box on the main screen.
>
>On AM, the carrier power is automatically set to
>25%. I understand the reason for this, but I
>note that this is with the AM carrier level set
>to 100% (on the transmit menu). If I set that
>control to 25%, I get 25% of 25% (6.3%) and
>while the output is at this extreme low level,
>the drive control is showing 100%.
>
>I searched the Flex Radio manual on this topic
>but very little info is supplied and perhaps
>Penelope responds differently, in any case.
>
>Thanks and 73
>
>Ken
>
1237145533.0
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