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Paul, please look over my various posts on this issue and tell me where I
failed to point out that you can get more power from a bare RF output stage by loading it differently. I'm gonna go fertilize my garden! "Paul Burridge" wrote in message ... On Sun, 4 Jan 2004 16:06:53 -0800, "Tim Wescott" wrote: For a stage (such as an intermediate, class A stage) where you _do_ want to verify the output impedance you can either find the resistance _and reactance_ that maximizes the power output, or you can build an RF impedance bridge (I use a noise bridge) and measure the stage output impedance directly. Just don't let it break into oscillation on the output of that poor impedance bridge! Bull****. In any class of operation, maximum power will be transferred when the impedances are matched. Period. -- "I expect history will be kind to me, since I intend to write it." - Winston Churchill |
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