I find where the voltage drop is much like checking the drop across a resistor in circuit. ie. use a volt-meter across each end of the segment under test. (The volt-meter is parallel to the segment being tested) It may be just a poor connection, or not.
Dick, n0ce On 2/4/2017 6:17 PM, George Thornton wrote: > I did some checking today on my voltage to the K3 using two different routes. > > I am using an Astron RS-35m power supply. It was tuned up to output slightly > under 14v. Normally it mediates through a PG40s backup and switching device, > connected to three 140AH backup batteries as well as the power supply. > > When I connect the K3 power through the PG40S distribution panel I read 13.3 > volts at the K3. This drops significantly when I transmit, going down to > under 12 volts. > > I then direct-wired the K3 lead to the Astron using ten gauge wire and a > relatively short lead. Power at the K3 then reads 13.8 and drops only to > 13.7 during transmit. > > Since I had failures attributed to erratic power supply, my conclusion is the > K3 should only be run via a short, large gauge lead direct to a power supply > in good order. > > > ______________________________________________________________ > 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 > Message delivered to [email protected] -- ______________________________________________________________ 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 Message delivered to [email protected]
