ha7ilm / qtcsdr

It turns your Raspberry Pi 2 and RTL-SDR into an amateur radio transceiver! (Released under BSD license.)
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comment/question on ssb support #4

Open plughplover opened 8 years ago

plughplover commented 8 years ago

re: your readme update about noise level due to pwm

I'm still putting hardware together so have not tested yet, but...

For digital modes like psk31, do we really need to (try to) amplitude modulate the output?

See http://pe1nnz.nl.eu.org/2013/05/direct-ssb-generation-on-pll.html 4th paragraph after diagram.