After some pushing the LPF turns back and forth I was able to get all bands between 3 and 4W with a gel cell supply. Which I guess means it's time to get out and throw some wire in a tree. Thanks for all the help.
David, k3tue . --- Don Wilhelm <[EMAIL PROTECTED]> wrote: > David, > > Spreading the turns of the low pass filter toroids may give you a better > spread of power across all the bands. With a 13.8 volt supply, I typically > expcet close to 4 watts on 80, 40 and 30, and about 3.5 to 3.8 watts on 20 > meters using a 14 volt power suppy. Yes, the major contributor to power > output deviations from these values is the L1 and L2 toroid inductors. The > transformer T1 is a secondary candidate for power output vsriation. > > Proper caslibration of the KXAT1 wattmeter is essential to determining the > actual power output, but the difference between bands is likely a function > of the Low pass filter inductance. > > 73, > Don W3FPR > > > > -----Original Message----- > > > > > I just finished installing my KXB3080, which seems to work fine. > > Using my DL-1 > > dummy load I noted the following power ratings? > > > > When I first tested it I got the following power readings with R4 fully > > clockwise: > > > > full power: > > 20m: 2.8w > > 40m: 3.5w > > 30m: 3.7w > > 80m: 6.3w > > > > _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
