Julian, From the words of Bob Freiss (the designer) on 9/8/2010 -- -------------------------------------------------------------------------------------------- The KPA500 requires 30 to 40 watts for full output. With 10 watts of drive the output will be around 200 watts or a little less.
Bob, N6CM -------------------------------------------------------------------------------------------- If one takes the lower figure of 30 watts for 500 watts out, that could indicate a small amount of compression (non-linearity), and I have not asked how much less than 200 watts with 10 watts drive, but it seems that the KPA500 has a power gain factor near 16.7. Perhaps someone with good wattmeters will measure it over a range of drive levels. 73, Don W3FPR On 5/11/2011 3:55 PM, Julian, G4ILO wrote: > <snip> > > So I think Stan WB2LQF deserved a better answer to his request for an > "output for input" schedule than the statement that it was a linear > relationship. If Elecraft is indeed claiming the relationship between input > and output of the KPA500 is perfectly linear then let them say it. Otherwise > I don't believe it. > ______________________________________________________________ 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
