John, I have not discovered the source of that birdie, but it is there.
Yes, 20 Hz is the DAC limit in the K2. 73, Don W3FPR On 11/2/2010 7:50 AM, VK7JB wrote: > Hi All, > > I've just finished K2/100 #6998. After blowing the PA transistors of the > base K2 by accidentally dropping the frequency probe into the works, I've > completed the KPA100, installed it and all is working very well. Made > several SSB contacts tonight and I couldn't be happier. I have a great > sense of achievement :) > > I'm curious about a prominent birdie, zero beat at 3589khz. It's present, > and more prominent, with the antenna disconnected and has its origin > internally. > > There are some postings about this birdie from around 2008, but I don't see > any resolution. I can live with it, even though it's inconveniently located > right where I like to work on SSB phone. Did anyone work out where this > comes from and whether or not there is a simple fix? > > Also, I've calibrated the K2 reference oscillator several times according to > the N6KR method. The result is that my frequency display is 20hz off > frequency after the rig has warmed up: eg it reads 9999.98 for 10000.00 WWV > signal. Am I correct in understanding this is about as good I can expect > given the DAC parameters of the K2? I can't seem to improve on it further > by repeating it. > > 73, > > John > VK7JB ______________________________________________________________ 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
