I think this effect is simply due to changing from one band memory to another at these cross-over points...
Van W1WCG Bob W Allen wrote: > Just thought to check other frequencies. This does this several places > as you tune the radio through the frequencies. > Bob > KB1FRW > > Bob W Allen wrote: > >> W2LE wrote: >> My K3 does the same thing tuning VFO A or B at 4800, probably you can't >> have separate bandpass filters on the VFOs so the other frequency has to >> change. >> Bob >> KB1FRW >> >> >> >> >>> I see similar strange things when tuning VFO A around 4.800. When VFO A >>> is below 4.800 B is at 4799.96 - when A goes above 4.800 B goes to 5.285 >>> MHz. This is on SN 1114 - 3.25 >>> >>> Glad I don't normally listen there. >>> >>> Paul W2LE >>> >>> Robert Beard wrote: >>> >>> >>> >>>> Good Morning List, >>>> >>>> Just noticed, while tuning VFO A down through 4.800.0 MHz, I can hear a >>>> relay switching. >>>> I believe this is band pass filter switching on the KBPF3 board. >>>> >>>> All well and good, except that VFO B jumps to 3.526.76 MHz at the >>>> switching point, regardless of any previous setting. >>>> >>>> When tuning VFO A back up through 4.8 MHz., the relay switches and VFO B >>>> jumps to 5.300.00 MHz. >>>> >>>> Anyone else seeing this curious behavior? (Or am I missing something....?) >>>> >>>> K3 is s/n 1500 with 3.14/2.16/2.16 installed. >>>> >>>> Best regards, >>>> >>>> Rob, N6VX >>>> ______________________________________________________________ >>>> >>>> >>>> >>> >>> >>> >> ______________________________________________________________ >> 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] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
