> My take: for a SDR, if no signal was converted during the A to D stage, there will be no signal to "dig out" during the D to A stage
I find this very interesting. I can't say I totally understand the issue well enough to have an educated opinion. If it is indeed true that going into the digital domain eliminates the effectiveness of a "CW Speaker" - I think that is fascinating and makes me wonder what else is being missed by the human ear. Tree N6TR On Sat, Feb 7, 2026 at 8:17 AM Ron Spencer via Topband < [email protected]> wrote: > I think Dave and Adrian's conclusion is correct. My take: for a SDR, if no > signal was converted during the A to D stage, there will be no signal to > "dig out" during the D to A stage. No amount of signal processing or noise > reduction will help since there is nothing there. Nothing is buried in the > noise floor. > > > > Ron N4XD > > > Sent using https://www.zoho.com/mail/ > _________________ > Searchable Archives: http://www.contesting.com/_topband - Topband > Reflector > _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
