Pete, After establishing the desired power output level, try turning off ALC (see owner’s manual; CONFIG:TX ALC).
If turning the ALC off eliminates power fade, then it’s a firmware problem. If this doesn’t help, then something is heating up, possibly a cold solder joint or component. Wayne N6KR > On Mar 19, 2018, at 3:41 PM, MW0RSS <[email protected]> wrote: > > Hi all > > I have a used XV144 that loses power after a short time. I have tried it > with my K2 (using the KIO2) and also a couple of different QRP rigs, driving > it directly with a few watts. I have arranged jumpers accordingly, depending > on how the XV144 is being driven. > > It completely loses power after a random amount of time. The power loss > seems unrelated to how much power the unit is delivering (the XV144 loses > power just the same, whether it’s giving 5W or 20W output). > > It doesn’t seem to be a heat problem. > > Any suggestions would be welcome. > > Pete MW0RSS > > > > -- > 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:[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]
