I have a Bioenno 12V 4.5A battery due any day now. If what you say is true, that should solve the problem. Alternatively, I need to complete my PowerPole rewiring of my main 30A P/S and then tap into that.
Thanks so much for the advice. David David R. Hourdequin, PE 828-421-6216 [email protected] > On Dec 7, 2021, at 4:33 PM, Scott Manthe <[email protected]> wrote: > > Hi David, > My guess is that the walwart is unregulated or has very optimistic specs. You > could also be getting RF back into it. I never power serious radio gear with > walwarts, even HTs. There's too much junk out there. > > 73, > Scott N9AA > > > On 12/7/21 4:16 PM, David Hourdequin wrote: >> I am in the process of getting familiar with my newly acquired KX3 purchased >> for POTA and am enjoying it immensely. >> >> I am powering it with a 14.8V, high quality, Yamaha walwart - very little >> internal noise. Settings indicated in the VFO B display area using DISP are >> normal. >> >> When I set the PWR level to 10 watts and then key the xmtr, the power >> immediately drops to 5 watts. With the key down, I am monitoring the VFO B >> display which indicates a drop from 14.8V to 10+V and 1+A. That makes it >> 10W. If so, why does the reading when I push in PWR drop to 5W? Is that >> ‘input’ power vs ‘output’ power, ie, 50% efficiency? >> >> If that is true, how does one achieve and maintain 10W of output power? >> >> Any help would be most appreciated. Feel free to RSVP here or call if you >> like - or send me your number and I’ll call you! >> >> Tnx es 73, David, NS4V >> >> David R. Hourdequin, PE >> 828-421-6216 >> [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] ______________________________________________________________ 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]

