yep, OHM's law lives, even after at least 61 years since i first studied it in preparation for my novice test.
Furthermore, I'm grateful for the outpouring of ideas and suggestions received here on this forum. I think I have learned enough to convince myself that I have improved my situation as much as i can, and with what remains, I can live with the resultant which appears to be due to the presence of the referenced internal diode which some have suggested would impose a .7V voltage drop. >From received suggestions I replaced the input power cable with a 8AWG 6' stranded copper pair with all the power pole connectors firmly crimped to the wires. When plugged into the MFJ switched power supply i measure 13.6V at the power poles on the power supply, and the same 13.6 is measured at the power input on the back of the K3. Under key down 100W CW test, the power supply voltage does not vary at all, either at the power supply or on rear of the K3, and on the internal power meter in the K3 I see a .8V drop to 12.8V......... that's near enough to .7V to declare victory as far as I can see. Having achieved what seems to be normal operations as based on those voltage measurements, I then disabled the MFJ power supply and moved the input power cable on the K3 over to the DC distribution panel from the Solar System batteries. Much to my surprise and pleasure the voltage measurements compared equally to what I registered in the hookup to the MFJ power source. So, now that you have helped put this power concern to rest for me, I will close out this concern as I turn my full attention to fine-tuning my solar power system capabilities, such as incorporating a boost inverter for raising and holding the input voltage at a level more friendly to the K3 operating efficiency. Thanks again for all your suggestions and ideas. Regards, Mike, K5MP -- Sent from: http://elecraft.365791.n2.nabble.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
