"Cecil Moore" wrote in message
...
JDer8745 wrote:
It's funny that this old wive's tale about the high SWR "burning out the
finals" still exists. I guess it depends on what the meaning of "high"
is.

If high SWR and the attendant mismatch cannot burn out a final,
I wonder why most commercial finals are protected from a high SWR
by foldback circuitry to avoid damage to the finals?

Indeed.
I always hear and read that a high SWR can destroy the PA final of TX,
cranck coils, etc.

Thierry

--
73, Cecil http://www.qsl.net/w5dxp



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