RR Ron. 73, Mike
Ron D'Eau Claire wrote: > Make sure he's transmitting into a good dummy load for those tests. > > The overvoltage protection on some supplies is easily tripped by RF getting > into it. Even if the antenna is some distance away, a voltage loop near the > transmitter can induce plenty of RF in the mains lines or through the rig > and supply cable. > > If it doesn't happen driving a good dummy load, it's time to revisit > grounding, etc., at the rig and supply. > > Ron AC7AC > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Mike > Sent: Sunday, December 13, 2009 4:45 AM > To: [email protected] > Subject: Re: [Elecraft] K3 shuts off > > Thanks gents. Good tips all. I'll pass them along. > > 73, Mike NF4L > > Mike wrote: > >> I was at a friends today, looking at his K3. It's in the 1000 range of >> serial numbers, not a kit. >> >> If power is set above 95-96 watts, the rig shuts down instantly when you >> transmit (at least in CW and if you press the TUNE button. Didn't try it >> on any other modes). >> >> His power supply reads 14.6V, it's a 20A supply, but we didn't read it >> under load. Does the K3 have the ability to display voltage and current >> draw? >> >> I downloaded and installed 3.68 firmware, but the problem was there >> > before. > >> Clues and hints, please? >> >> 73, Mike NF4L >> >> ______________________________________________________________ >> 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 > > > ______________________________________________________________ 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
