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Re: [TenTec] Orion 565 tuning encoder

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Orion 565 tuning encoder
From: shristov <shristov@ptt.rs>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sun, 22 Jun 2014 04:10:15 +0200
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Barry N1EU <barry.n1eu@gmail.com> wrote:

> There's 0.5-0.6V drop between the A9 board and the encoder on the front
> panel board.  Isn't that excessive?  Also, the voltage at the encoder seems
> to vary over time 4.3-4.5V.


Such a drop is certainly excessive.

By providing +5.0 V from an external suuply directly to the encoder
you can distinguish between a bad encoder and a bad supply,
and then make the repair as needed.


73,

Sinisa

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