If you are using a filter width that is greater than about 1.5 times your sidetone pitch, the filter must not be centered at your CW pitch - it must be skewed so that you do not receive the opposite sideband. That offset is done automatically in the K3.
73, Don W3FPR On 2/24/2011 12:29 PM, n...@widomaker.com wrote: > Now, I managed to smooth out my filter gains by using Hamscope which > is an audio spectrum visualization tool. This worked pretty well. > > Funny thing, my 200Hz fileter with a -86Hz offset is pretty well > centered about the centerline, but my 400 Hz 8-pole with 0 offset, is > way off center! So are the 1.8 and 2.8 filters. What gives....? > > > ...bc nr4c > > ______________________________________________________________ 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
