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Old February 26th 08, 02:03 PM posted to rec.radio.amateur.antenna
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Posts: 3,521
Default Forward and Reverse Power

Keith Dysart wrote:
This solidly disproves the claim that the reflected power is
dissipated in the source resistor.


I will respond to your posted data after awhile. In the
meantime, let's correct the misconception contained in
your above statement.

No one is asserting that reflected power is *always*
dissipated in the source resistor so that discussion
is a dead horse. The assertion that I am making is:

Reflected RF energy is *sometimes* dissipated (converted
to heat) in the source resistor and sometimes it is not.
With an ideal voltage or current source, I can tell you
when it happens and when it doesn't happen along with
the quantitative values involved.

What is being questioned is Roy's assertion in his
"Food for Thought" paper. Quoting:

"THE REVERSE POWER IS NOT DISSIPATED IN OR ABSORBED BY
THE SOURCE RESISTANCE."

It seems clear that he is saying that reverse power is
*never* dissipated in the source resistance. That is
simply not true. Sometimes, there is nowhere else for
the reflected energy to go.

And yes, if your anti-virus tools do not like Excel macros, you may
have to invoke your authority over your tools. (They do know who is
boss, do they not?)


I am reluctant to turn off my firewall and virus protection
while I download the EXCEL file. I once had a virus/worm
that even survived a reformatting of my hard drive. Apparently,
it was stored somewhere besides the hard drive.
--
73, Cecil http://www.w5dxp.com
 
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