Seems I've found the problem but I should wait till monday to try to fix it. As suggested by Gary at Elecraft I've checked some components and I found Q9 on the KPA3 board broken. I think Q9 is both responsible of the power instability I've found and the drop in a S point when KPA3 was enabled. I'll let the list know.
Max IW0GXY Vic K2VCO wrote: > > max iw0gxy wrote: >> Hi all, >> I connected the XG2 signal generator to my K3 and I've injected 50microV >> into the antenna. I have the standard S9 but when I rise the power to 13 >> and >> up signal drop down to S8. If I turn the knob to 12W or less signal turn >> back to S9. >> I've noted this behavior on signals on air but to be sure I've used my >> signal generator. > > I do not see any change in received signal levels here when switching > between low and high power. > -- > 73, > Vic, K2VCO > Fresno CA > http://www.qsl.net/k2vco > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > 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 > > -- View this message in context: http://www.nabble.com/K3---Sensitivity-drop-between-Low-and-Hi-power-tp18165769p18171938.html Sent from the Elecraft mailing list archive at Nabble.com. _______________________________________________ Elecraft mailing list Post to: [email protected] 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
