[AMPS] Conjugate Matching In Class B and C Amplifiers

[Jon Ogden]

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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