A loaded K3 on receive should be under 1.5 A even with all guns blazing. If it's 2 amps, try switching options off (starting with the sub RX) to see what's up. Another possibility is incorrect resistance at the current-sense resistor, so confirm the reading using an external ammeter.
73, Wayne N6KR On Dec 28, 2011, at 11:11 AM, WILLIS COOKE wrote: > My K3 with two receivers draws about 2 amps on receive. It drew a > bit over 1 amp before I installed the second receiver. For transmit > at 10 watts I would ad about 3 amps to that. Two layers of bubble > wrap would not be enough for MY K3. I use a hard side fiber-glass > brief case with enough padding to keep the K3 from sliding when I > carry it in my truck cab. For checked baggage on an airline think > pad for throwing 10 feet unless you mark is fragile. In that case, > think 20 feet. Make every effort to avoid possible impact which > will push the knobs toward the face of the transceiver. I would not > like to test how much impact the tuning knobs on the encoders would > stand. > > Willis 'Cookie' Cooke > K5EWJ & Trustee N5BPS, USS Cavalla, USS Stewart > > > ________________________________ > From: Mike <n...@nf4l.com> > To: Elecraft List <Elecraft@mailman.qth.net> > Sent: Wednesday, December 28, 2011 7:09 AM > Subject: [Elecraft] [K3] Power supply rating > > I need to take my K3 to class. I'll need just enough oomph to talk > to the serial > port. What would be the minimum rating for a PS? Any suggestions for > a small packable > one? > > Would a couple of layers of bubble wrap be sufficient for packing > the rig in checked > buggage? > > 73, Mike NF4L > > ______________________________________________________________ > 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 > ______________________________________________________________ > 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 ______________________________________________________________ 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
