The low end response of the stock K3 is limited by coupling capacitor impedance in the audio stage.
73, Barry N1EU Lyle Johnson wrote: > >> What I would like to know is just what the ACTUAL response curves of >> the K3 transmit and receive audio are (when all EQ settings are set to >> '0', > > Flat means the EQ does not add or subtract to the filter response dialed > in by the operator with the SHIFT/WIDTH/HIGH CUT/LOW CUT controls. The > high end and low end response will be dictated by those settings, This > will be modified by the impedances in the path from the radio to the > headphones or speaker and the impedance of the headphones or speaker, or > the characteristics of the transformers and the overall impedances in > the LINE OUT case. > > Finally, the edges of the selected passband will be rolled off by the > action of the FIR filter windowing function applied to the filter > coefficients. > > 73, > > Lyle KK7P > > ______________________________________________________________ > 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 > > -- View this message in context: http://n2.nabble.com/K3-transmit-and-receive-audio-response-tp3088842p3092338.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
