Hi Dave, This is normal relay switching of capacitors in the K3 Synthesizer PLL VCO as you tune through different frequency ranges. This is done to keep the kHz per volt tuning range of the VCO limited, which in turn minimizes TX and RX phase noise.
73, Eric WA6HHQ --- www.elecraft.com On 8/24/2011 1:55 AM, David Windisch wrote: > Hi, all concerned: > > I swl with the K3, and have been trying to make it scan the widest possible > spans outside the ham bands. > > In the process, I have accumulated a list of frequencies (found by tuning > first A, then B, from 490 KHz to 30 MHz) where the K3 behave in interesting > ways. The "A list" of frequencies differs somewhat from the "B list", and > tuning down from 30 MHz to 490 KHz produces slightly different behavior. > > For example, set A to 8.999 > Tap A>B > Tune A up through 9.000 while observing B > Did you hear any relay sounds? > Tune A back down through 9.000 while observing B > Tune B back and forth through 9.000 while observing A > > Any help out there with an explanation, please? > > Brgds, > Dave Windisch, N3HE > ______________________________________________________________ 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
