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[AMPS] SB-220 High input SWR and transceiver fold back

To: <amps@contesting.com>
Subject: [AMPS] SB-220 High input SWR and transceiver fold back
From: ccc@space.mit.edu (Chuck Counselman)
Date: Fri, 23 Feb 2001 13:06:09 -0500
At 11:18 AM -0500 2001/2/22, Pete Smith wrote:
>At 07:49 AM 2/22/01 -0600, J. Setcer wrote:
>>
>>If you cannot "correct" the problem you can "resolve" the problem by putting
>>a tuner between the radio and the Amp.  Maybe this would even be about the
>>same as an "external tuned input", I'm not sure.
>>Maybe someone that knows will comment.
>
>This is all irrelevant anyhow, because the SB-220 has a tuned input.


But what's the Q of that tuned input?  If it's of the order of 2, then an
antenna tuner still might help, by providing a significantly higher Q, so
that the transceiver saw something nearer to an ohmic (linear V/I) load.

-Chuck W1HIS



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