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:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
