I have the same problem and find it very distracting. I also have found that there are additional false artifacts above and below the vfo frequency that move in sync with any change in vfo frequency.
John K7JLT David Patino <d...@onitap.com> wrote: >Howdy All, > > > >So on my PX3 I'm seeing the issue listed in the manual as "Dip in Spectral >Response Close to VFO Frequency". Described as: > >I/Q demodulation at baseband (used by the PX3 and many SDR applications) may >introduce small, very narrow-band amplitude variations in the response close >to the carrier. This effect varies with operating mode and usually has no >effect on operation. In CW mode the artifact can be moved by switching to CW >reverse mode (ALT switch on KX3). Setting RX Shift to 8.0 rather than NOR in >the KX3 menu may also vary to location of the artifact. > > > >Here's a screen cap of my PX3 with span set to just 2kHz in CW mode. The dip >is 600hz above the VFO freq (CW pitch is set to 600Hz). > >This exaggerates the issue but it's visible at any spans at and below 50khz. > >http://i.imgur.com/p1i29Ul.jpg > > > >Other than just moving it as the manual suggests, anyone know of any way to >decrease the dip, or remove it entirely? > > > >73, David > >N9PBJ >______________________________________________________________ >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 >Message delivered to k7jltex...@gmail.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 Message delivered to arch...@mail-archive.com
