[Elecraft] Dollars per watt

[Vic K2VCO]

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/