Graeme Zimmer wrote:

You might have a look at my old DSP receiver at:
http://members.wideband.net.au/gzimmer/

I have built several Softrock kits and have no inclination to use any
other receiver as a result. It's a receiver from heaven.

Looking at yours and the simple block diagram I am curious about how
this differs from quadrature processing.

Can you provide a few words of explanation.

Jack K9act