Could the P3 or another sdr/panadaptor be used to do this alignment? David G3UNA
----- Original Message ----- From: "Jim Brown" <[email protected]> To: <[email protected]> Sent: Sunday, August 15, 2010 4:01 PM Subject: Re: [Elecraft] K-3 Ref Cal adjustment affected 400 hz 8 pole filter > On Sun, 15 Aug 2010 10:45:53 -0400, [email protected] wrote: > >> Is this expected behavior? > > Yes, it appears to be within the normal tolerance of the filters. I have a > total of three 400 Hz filters and three 250 Hz filters between two radios > (one with a sub-RX). I've measured them all with a spectrum analyzer, and > all require some offset to center them in the K3 IF, typically 40-100 Hz. > > 73, Jim K9YC > > > > ______________________________________________________________ > 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

