The 2.8 and 400 are both 8-pole filters so no offset should be needed for them...
~Brett On Mon, 2010-03-08 at 21:46 -0600, John Harper wrote: > Thanks to all who replied - brain fart here. I dialed the offset into the > 400 Hz filter instead of the 2.8... > > All is well now! > > John Harper AE5X > > > > > ----- Original Message ----- > From: "Brett Howard" <[email protected]> > To: "John Harper" <[email protected]> > Cc: <[email protected]> > Sent: Monday, March 08, 2010 8:18 PM > Subject: Re: [Elecraft] Question on filters/ possible problem > > > > Are you sure you've got the 400Hz filter in the slot that you told the > > radio you put it into? If you've only double checked check two more > > times! ;) > > > > ~Brett > > > > On Mon, 2010-03-08 at 20:10 -0600, John Harper wrote: > >> I just finished my K3, at least to the point of doing the pre 100W PA > >> alignments: Synth cal, filter set-up, ref osc & tx gain cals are all > >> done. > >> > >> I did the filter set-up via the K3 menu, then verified with the K3 > >> utility program. I have the standard 2.8 kHz and the 8-pole 400 Hz > >> filters. > >> > >> The problem I have is when adjusting the bandwidth to the point where the > >> 400 Hz filter comes in - as soon as that happens, the receiver seems to > >> go dead. Whoever I was listening to disappears and background noise goes > >> waaay down...almost silent. I've dialed in both 1 and 8 dB gain for the > >> 400 Hz filter but niether has any effect. > >> > >> Any suggestions? Thanks, > >> > >> John Harper AE5X > >> > >> > >> > >> ______________________________________________________________ > >> 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 > > > > > > > -------------------------------------------------------------------------------- > > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 8.5.436 / Virus Database: 271.1.1/2731 - Release Date: 03/08/10 > 19:33:00 > > ______________________________________________________________ > 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
