One would initially think of a power supply problem, I found out an Astron RS-20 is insufficient. But "new firmware" was mentioned, the latest is 4.39 (non-beta), Are either of you using a new Beta version? Keith
On 2/12/2012 3:14 PM, [email protected] wrote: > 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: [email protected] >>> >>> 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: [email protected] >> >> 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:[email protected] > > 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:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
