Rick,
A 2.8 KHz filter is not appropriate for for AM as it will limit the maximum audio frequency to 1400 Hz (carrier +/- filter bandwidth). If you want to operate diversity in AM you will need one of the wider filters. If you're not in AM, keep the bandwidth below 2.8 KHz and there will be no frequency shift in the sub RX. I don't see how the compensation for 5 pole filters will work with the widely divergent bandwidth - particularly since the 8 pole filters do not have a frequency offset. 73, ... Joe, W4TV On 2015-07-12 1:41 PM, rick.ag...@gmail.com wrote:
Joe It's not that I want to use diversity beyond the filters I had in the sub rx, I just accidentally discovered this effect I am looking over Wayne's early comment about how their might be an issue handling 8-pole vs 5-pole shifts. Could not the technique used for that situation be applied when the K3 knows the filter widths are different? Note I fully grasp diversity is degraded when the filters differ; I am just wondering if the frequency shift effect can be compensated for even when diversity is degraded. Cheers Rick AG6AY -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Odd-freq-shift-in-diversity-mode-after-VFO-upgrade-tp7604845p7604871.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: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 li...@subich.com
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