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#21
May 26th 10, 08:48 PM
posted to rec.radio.amateur.antenna
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Question about "Another look at reflections" article.
On May 26, 1:56*pm, walt wrote:
Cecil, have forgotten that because the source resistance of the RF power amp is non-dissipative, none of the reflected power is absorbed therein? Actually, this discussion is based on an example introduced by W7EL which assumed a 50 ohm source resistor in his "food for thought, forward and reflected power" article posted on his web page. The source resistance of an actual RF power amp doesn't matter. W7EL's example specified a 50 ohm resistor as the source impedance. http://eznec.com/misc/Food_for_thought.pdf -- 73, Cecil, w5dxp.com |
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