This is not unusual, Ron. The power cable, several connectors, PCB traces, current-sense resistor, and even the power supply itself all contribute some small drop, and a total of 1 V or so sounds about right.
73, Wayne N6KR On Feb 25, 2012, at 3:55 PM, Ron W3ZV wrote: > Okay, confession time. My VFO B display area rarely displays > anything but frequency. Doing the NAQP RTTY today, I had a brief > attack of curiosity. Wanted to see how the PA temperature was doing. > On the way I passed the voltage display and stopped for some reason. > Noted that the voltage on RX was 13.6. Dropped to 12.6 with 75 watts > RTTY TX. Supplied power cord to an Astron RS-35M. I am concerned > that the drop may be excessive. I'd like to make sure that there is > a problem before I start tearing into things. Cause for concern? > > Ron W3ZV > ______________________________________________________________ > 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
