The more I think about it....I do kinda agree. Something did get hot cause it smelled like burning plastic. No response yet from supp...@elecraft.com
Lee Lee On Wed, Mar 4, 2020, 4:30 PM Mark Musick <markmus...@outlook.com> wrote: > Hi Lee, > > If the ATU is bypassed, it should have no effect. > I'm betting on a LPF issue. > > 73, > Mark, WB9CIF > > -----Original Message----- > From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> > On Behalf Of Leroy Buller > Sent: Wednesday, March 4, 2020 21:24 > To: Bob McGraw K4TAX <rmcg...@blomand.net> > Cc: Elecraft Reflector <elecraft@mailman.qth.net> > Subject: Re: [Elecraft] High Current only on 20 Meters > > Bob, > > Yes I think you are right but I think the amps Hp and Lp are ok because it > just happens on 20 mtrs. I think there is something bad in the LPF or > ATU. I betting on the ATU. But not for sure. Emailed support Lee > > On Wed, Mar 4, 2020, 2:11 PM Bob McGraw K4TAX <rmcg...@blomand.net> wrote: > > > I would run a TX gain calibration using the K3 Utility and a 50 ohm dummy > > load. Then with an external power meter and dummy load, observe the > power > > output on each band. Be sure the ATU is bypassed for this measurement. > > This would isolate the issue to the PA, ATU or low pass filter which > > is band dependent. > > > > Bob, K4TAX > > > > > > Sent from my iPhone > > > > > On Mar 4, 2020, at 12:46 PM, Leroy Buller <lee.bul...@gmail.com> > wrote: > > > > > > I have a K3 that seems to have a problem. I am getting HI CURRENT > > warning > > > only on 20 meters. The antenna is matched. 80, 40 and 15 do not > > > have > > the > > > issue. The current meter on the power supply does show quite a bit > > > of current (20+ amps) on 20 meters but when I reduce power it stops > > > giving > > me > > > the issue on 20 meters. When I reduce power on 20 meters, the high > > current > > > goes away around 65 watts. > > > > > > Anyone have an idea what is going on? I do appreciated the help > > > > > > Lee - K0WA > > > ______________________________________________________________ > > > 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 Message delivered to > > > rmcg...@blomand.net > > > > > > > > > > ______________________________________________________________ > 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 > Message delivered to markmus...@outlook.com > ______________________________________________________________ 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 Message delivered to arch...@mail-archive.com
