on 5/11/01 1:12 PM, measures at 2@vc.net wrote:
>> W/o having read them, I'll confess that I am at a loss to know the back
>> ground. What is the debate?
>>
> As I understand it, Mr. Maxwell asserts that linear amplifiers are
> conjugately matched. If this is true, the efficiency could not exceed
> 50%.
OK. You are correct Rich. If conjugate match occurs, then an equal amount
of power is absorbed by both source and load - hence the 50% efficiency.
Conjugate match IS what is needed for maximum power transfer, but not
maximum efficiency. It's another one of those paradoxes of physics.
73,
Jon
NA9D
-------------------------------------
Jon Ogden
NA9D (ex: KE9NA)
Member: ARRL, AMSAT, DXCC, NRA
http://www.qsl.net/ke9na
"A life lived in fear is a life half lived."
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