Hi
Using my XG2 I have noticed some strange spurs. If I tune to 14060 with the XG2 ( or my other generator too) then as I tune through 14060 then I hear a pronounced blip as I tune across a fast tuning spur. I also have spurs at every 5 kHz interval e.g at 14055, 14050 etc etc. I can hear the same effect on 40 and 80 etc. I tried this with my other generator at about the same 50uV level and I can hear them on other bands too. I don't know if this is a recent occurence or if it has been present for sometime. However I tried the same test on my other K2 and it shows the same effect. Any ideas ? Thanks Bob G3PJT -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.361 / Virus Database: 267.15.4/255 - Release Date: 2/9/2006 _______________________________________________ Elecraft mailing list Post to: [hidden email] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com |
Bob,
Every 5kHz? That sounds strangely like a CAL PLL problem. Did you run CAL PLL with the bottom cover off?, or is RFC15 on the bottom of the RF Board open (check it with a continuity test - it may read the same voltage on both ends even though it is open). It is posible that the frequency shift is so slight that you did not notice it in normal operation, but tuning slowly with a stronger signal hass revealed its presence. I suggest re-setting the Reference oscillator and then running CAL PLL followed by CAL FIL - change each BFO by a bit and then set it back to where it was. Then re-check to see if the condition is still present. 73, Don W3FPR > -----Original Message----- > > Using my XG2 I have noticed some strange spurs. > > If I tune to 14060 with the XG2 ( or my other generator too) > then as I tune through 14060 then I hear a pronounced blip as I tune > across a fast tuning spur. > I also have spurs at every 5 kHz interval e.g at 14055, 14050 etc etc. > > I can hear the same effect on 40 and 80 etc. > > I tried this with my other generator at about the same 50uV level and I > can hear them on other bands too. > I don't know if this is a recent occurence or if it has been present for > sometime. > However I tried the same test on my other K2 and it shows the same effect. > > Any ideas ? > > Thanks > > Bob G3PJT > > _______________________________________________ Elecraft mailing list Post to: [hidden email] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com |
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