Patrick
This seems like something one can use with a simple regenerative receiver?
Providing the audio detection resistor and cap are removed from the vacuum tube
grid or transistor base circuit to preserve the RF in the output, needing the
i.f. bandwidth you mention. In which case this might lead to folk making some
interesting home gifts of the simple receiver sort to give to others along with
a software such as yours.
I have been experimenting with a digitally stablized VFO for use with 455 kHz
i.f. sections and a simple QSD circuit. I'll do some experiments with your
software as I go along here. It seems very interesting. My last VFO test
circuit seems to hold some promise if given the right scheme in a receiver to
work in. A sort of ideal mixing scheme for better stability. Its all beta
circuits for now, and sometimes its hard, then you stumble upon something that
opens it up.
I am also building various QSD circuits to explore and test.
Keep us posted on any software designs you come up with in the future!
P.S. I found out the one can have software do "AM Synchronous" also as well
as "C Quam AM", and this is in the CIAO Radio 1.35 software. AM Sychronous is
something interesting for folk who like broadcast stations to listen to. {SDR
is capable of allot of radio modes.}
You can see this at the below link: note it only works in one mode since it
is meant to be registered. I think it is USB, I am exploring a licensed version
with all of the modes working.
http://www.comsistel.com/Download/CiaoRadio/CIAO%20RADIO%20MULTIMODE%20RECEIVER%20-%20TEST%20SET_file/Upgrade%20CD%20Ciao%20Radio%20ENG%2008-08-2006.zip
Dan ka9rza
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