What is the OSB suppression after calibration using this procedure? 73, Bill W4ZV
wayne burdick wrote > Hi Jim, > > This is most likely related to opposite sideband suppression, not > filter blow-by. Nominal factory calibration results in OSB suppression > of around 55-60 dB. You can improve on this using a new procedure we > developed a month or so ago. It requires a strong signal source on > each band to be optimized. I can send you the firmware and > instructions if you're interested. > > 73, > Wayne > N6KR > > On Oct 8, 2012, at 10:46 AM, > Jimk8mr@ > wrote: > >> A recent KX3 owner (# 1677), I've noticed hearing out of passband >> signals >> from loud CW stations. I can hear such stations up to several KHz >> away. I >> suspect the range is limited by the audio response of the system, >> including >> my ears. Both sides of zero beat, though less so on the opposite >> side of >> the zero beat. >> >> In the CA QSO Party this weekend, maybe the loudest 10% of the >> stations on >> 10 CW Saturday afternoon were leaking through. (I've heard the >> leakage on >> other bands as well.) >> >> I don't have any roofing filters. (I figured any stations weak >> enough for >> me to need the filter to hear, would never be able to hear me anyway). >> >> Is this normal, or is there some shielding or other issue affecting my >> unit? (It is a kit version). >> >> >> 73 - Jim K8MR >> ______________________________________________________________ >> 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 -- View this message in context: http://elecraft.365791.n2.nabble.com/KX3-Filter-Blow-By-tp7563848p7573453.html Sent from the Elecraft mailing list archive at Nabble.com. ______________________________________________________________ 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
