I operate almost exclusively CW and my APF is never turned off. I use a 400 Hz filter, BW set at @350 Hz, and a pitch setting of 440 Hz.
FWIW, I hear -no- "ringing". 73! Ken - K0PP On Sun, May 12, 2013 at 8:25 AM, Pierfrancesco Caci <[email protected]> wrote: > > Someone mentioned that APF rings less when pitch tone is set to 440 Hz > instead of 800 Hz. So, I'm trying and it indeed seems to ring less. > Anyone else hearing this? > Is this some DSP effect or a psychoacustic effect? > > Condition of test: > 200Hz 5-pole filter > DSP BW 50Hz > RF gain backed so that signal is barely audible with no APF > RX Audio EQ bands 4 and 5 set to 0, all rest down -6 > > Pf > > -- > Pierfrancesco Caci, ik5pvx > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
