I've made some measurements of my K3's efficiency versus DC supply voltage, output and frequency at http://www.cliftonlaboratories.com/elecraft_k3_efficiency.htm
Jack K8ZOA www.cliftonlaboratories.com Alan Bloom wrote: > On Wed, 2009-06-03 at 10:59 -0700, hb9brj wrote: > ... > >> Guess the major problem resulting from voltage drop is a reduced efficiency >> of the KPA3. >> > > Actually, for a given power level the KPA3 probably has better > efficiency. For lowest heat in the PA, the supply voltage should be as > low as possible that still works at the selected power level. But the > system efficiency is lower because of the power loss in the cables. > > Al N1AL > > > ______________________________________________________________ > 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

