This sounds like a story by Hashafisti Scratchi or Larsen E. Rapp. On 1/25/2011 12:52 PM, Alan Bloom wrote: > On Tue, 2011-01-25 at 08:04 -0800, Vic K2VCO wrote: > ... >> Speaking of dollars per watt, I'm presently using a homebrew pair of 813's >> which produce >> 800 watts (QSK but no 6M) and I have less than $400 into it. $0.50 dollars >> per watt. > > Many years ago I heard of a guy who built a linear amplifier using a > single 811. He ran it in grounded grid with tons of negative RF > feedback (grid lifted way off RF ground with a small capacitor) so that > the gain was only a little greater than unity. > > As I recall, the input RF driving power was 900 watts and the output > power was 1000W, the other 100W being supplied by the 811. But since > amplifiers are rated by output power rather than [output - input] power, > his dollars per watt came out at something like 5 cents/watt. :=) > > Al N1AL > >
-- Vic, K2VCO Fresno CA http://www.qsl.net/k2vco/ ______________________________________________________________ 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
