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Old August 19th 03, 02:29 AM
H. Adam Stevens
 
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Aren't the switching amps used in AM broadcast highly efficient?
Do folks still use class C amps in FM service?
(It's been decades)
H.
NQ5H

"W5DXP" wrote in message
...
H. Adam Stevens wrote:

"W5DXP" wrote in message
Take a lesson from the power companies. They run coolest when their
output impedances are the lowest. :-)


Until one breaker goes and the rest of the grid can't handle the load.
;^))))))))) 73, H.


Incidentally, the argument that Thomas Edison used to prove that
power distribution systems would never be AC is that they would
burn themselves up trying to provide maximum power transfer. He
never conceived that they would be more interested in efficiency
than maximum power transfer. :-) So why can't we have a 95%
efficient RF power amplifier?
--
73, Cecil http://www.qsl.net/w5dxp



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