Second what Joe said... On Tue, Dec 14, 2010 at 12:27 PM, Joe Subich, W4TV <[email protected]> wrote: > > > If you have the 6-kHz filter installed, you can increase the > > effectiveness of the DSP NB with some kinds of noise in SSB mode; just > > set WIDTH above 2.8 kHz so this wider filter will be selected. > > Or modify your configuration so the wider roofing filter is always > selected in SSB <G>. > > Wayne, this is a place the XFIL button could be made more useful ... > allow it to select the roofing filter independent of the "Width" > (DSP) setting. > > 73, > > ... Joe, W4TV > > > On 12/14/2010 12:12 PM, Wayne Burdick wrote: >> Scott, >> >> On Dec 14, 2010, at 8:28 AM, Scott Ellington wrote: >> >>> The K3 noise blanker bandpass filter appears to have a bandwidth of >>> about 400 kHz.... >> >>> I'm just guessing, but it seems Elecraft took a different approach >>> in using the very wide bandwidth. This increases the peak amplitude >>> of the noise pulses, allowing them to be detected at a higher >>> threshold while, under crowded band conditions, the strongest signal >>> remains about the same.... >> >> Exactly. >> >> If you need a narrow-band blanker, use the DSP NB. It is very >> effective on a wide range of noise types, and is post-crystal filter. >> >> If you have the 6-kHz filter installed, you can increase the >> effectiveness of the DSP NB with some kinds of noise in SSB mode; just >> set WIDTH above 2.8 kHz so this wider filter will be selected. >> >> Wayne >> >> ______________________________________________________________ >> 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 > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected]
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