Latest firmware, just did TX cal a few weeks ago, same things happens whether on antenna or dummy load, PS not dropping, mine drops to essentially zero output above about 88 watts.
anyone....Buehler....anyone? On Sun Feb 12 15:05 , sent: >Mine just started that behavior yesterday as well.....the oddest thing...any >ideas, guys? > > >John > > > > >On Sun Feb 12 13:38 , r_zerr sent: > >>I began having problems this morning when I went to check into the Elecraft >>Net. I had my output set at 100W, and I did not have any output. By turning >>it down to around 70 watts, I could transmit. >> >>I went through the transmit gain calibration on 20M and the Wattmeter >>calibration, with apparent changes in the Wattmeter reading (initially at >>31, now at 79...50W into Dummy load, Bird Wattmeter, 100W slug). The >>Transmitter gain changed only slightly, 16 to 17, but is more of a choice >>between high-side, or low side of the meter reading. >> >>Checked and Bat Min setting is at 11.0V and the KXV3 setting is normal >> >>Other info in present condition: 20M >90W kicks off. 20.4A draw@90W PA >>temp=33C Voltage @load=12.4V >> >>I checked the behavior on 17M with similar problems, kicks off above 96W >>setting, with 12.8V, 14.3A draw >>15M kick of above 96W, with 12.6V @ 17.8A >>12M kicks off above 97W, with 12.8V @ 14.1a >>10M kicks off above 97W with 12.9V @ 13.6A >>30m kicks off above 98W with 12.6V @ 16.5A >>similar results on 40m and 80m >> >>Before I go pulling the top off and checking connections, does anyone have >>any suggestions? >> >> >>-Ron, WT5RZ >> >> >>-- >>View this message in context: >http://elecraft.365791.n2.nabble.com/K3-Hi-power-Transmit-limiting-tp7278630p7278630.html >>Sent from the Elecraft mailing list archive at Nabble.com. >>______________________________________________________________ >>Elecraft mailing list >>Home: http://mailman.qth.net/mailman/listinfo/elecraft >>Help: http://mailman.qth.net/mmfaq.htm >>Post: Elecraft@mailman.qth.net >> >>This list hosted by: http://www.qsl.net >>Please help support this email list: http://www.qsl.net/donate.html > > >______________________________________________________________ >Elecraft mailing list >Home: http://mailman.qth.net/mailman/listinfo/elecraft >Help: http://mailman.qth.net/mmfaq.htm >Post: Elecraft@mailman.qth.net > >This list hosted by: http://www.qsl.net >Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ 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
