K3 ain't your daddy's analog radio... Incoming signals are handled as analog signals until they are converted to a 15 kHz IF. At that point the analog is converted to digital. All the rest is done in firmware as part of the number soup. Calling firmware functions IF or AF is really a misnomer. All the neat stuff is done BEFORE the number soup is converted to an actual AF voltage. APF number soup, NR digital soup, DSP number soup...
I suppose you could say that some of the numbers were AF numbers and some of them were IF numbers? 73, Guy On Mon, Nov 15, 2010 at 11:19 AM, WILLIS COOKE <[email protected]> wrote: > > Igor, wouldn't you expect to find the Audio Peaking Filter in the Audio > Frequency section? > Willis 'Cookie' Cooke > K5EWJ > > > > > ________________________________ > From: Igor Kosvin <[email protected]> > To: Bill W4ZV <[email protected]>; [email protected] > Sent: Sun, November 14, 2010 9:12:07 PM > Subject: Re: [Elecraft] K3 APF > > I beg to differ. The TS-930S APF works pretty good in combination with > narrow (500Hz) set of filters in 2nd and 3rd IF. The problematic part is > that as far as I recall in TS-930s the APF is in AF, which is little too > late to correct other shortcomings of the receiver. > > 73, > Igor > > > > ______________________________________________________________ > 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
