Peter Wollan-2 wrote: > > Aha. It sounds like the "desense" problem arises when the DSP filter > is narrower than the roofing filter. A strong station within the > roofing passband but outside the DSP passband will shut down the > receiver through AGC. > > I think we all misled ourselves by the impression that desense was > impossible in the K3. It's working just as it ought -- but operators > need to widen out the DSP to the full width of the roofing filter, > when there are strong stations every few Hz. A bit counter-intuitive, > perhaps. >
Correct me if I'm wrong, but a strong station within the roofing passband but outside the DSP passband will NOT shut down the receiver through AGC unless the strength exceeds s9+25dB (when hardware AGC kicks in due to ADC dynamic range limits). 73, Barry N1EU -- View this message in context: http://n2.nabble.com/K3-receiver-desensing-on-CW-during-contest-tp2369819p2373077.html Sent from the Elecraft mailing list archive at Nabble.com. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
