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[TowerTalk] Mismatch Loss and Tuners

To: <towertalk@contesting.com>
Subject: [TowerTalk] Mismatch Loss and Tuners
From: realex@flash.net (Bob Alexander)
Date: Tue, 08 Sep 1998 16:58:52 -0500
sbest@cushcraft.com wrote:

>      In order to fully and accurately describe the operation of a conjugate
>      match "tuner", a complete reflection analysis must be done with
>      voltages NOT power.  Once the system voltages are determined, power
>      delivery in the system can be determined.  It must also be understood
>      that for any incident voltage arriving at the conjugate match output
>      from the antenna (transmit or receive), only a portion will be
>      reflected back towards the antenna.  The amount of voltage/power
>      reflected will be a function of the conjugate match VSWR.  Only if it
>      has an infinite VSWR will ALL voltage, hence power, be reflected.
--------------------
Steve,
It goes without saying that transmitted voltage/power  arriving
back at the tuner due to a mismatch at the antenna gets absorbed by
the tuner...except for the small portion that gets re-reflected
back toward the antenna.
73, Bob, W5AH

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