I built K2 s/n 253 many years ago, and it's been updated with the A-B kit and all other Elecraft updates. It currently has the KSB2, noise blanker and 160m/2nd Rx options. The ATU is not currently fitted to make access easier, though it has been.
I'm planning to use the K2 with transverters on 28MHz for the microwave bands. Now that the Elecraft transverter interface is obsolete I plan to use the radio with ~1W output and fit attenuators as required. Looking at the Tx output on my spectrum analyser, I see a spurious tone 900kHz below the tx frequency which is only about 35dB less than the SSB peak output at 1W; that frequency difference does not change with dial frequency. The tone does not change amplitude with power setting over the full range, with speech amplitude, nor with the carrier balance adjustment. It's also present on 21MHz with the same interval. It is not present in Tune in SSB mode, or in CW mode at all. I'd be grateful for ideas on where to start looking to find the source of this as I can't reasonably use the K2 in this state.. 73 Chris G3WIE -- Sent from: http://elecraft.365791.n2.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 arch...@mail-archive.com
