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Re: [TenTec] 1340 QRP Transceiver - 12V Polarity?

To: tentec@contesting.com
Subject: Re: [TenTec] 1340 QRP Transceiver - 12V Polarity?
From: Shawn Upton <kb1ckt@yahoo.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Tue, 13 Mar 2012 15:05:08 -0700 (PDT)
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Yeah, I know.  Didn't want to deal with a fuse.


On Mon, Mar 12, 2012 9:21 PM EDT Stuart Rohre wrote:

>If the diode is in shunt from plus to minus, and a reversed polarity 
>plug in is done, the diode bypasses the current, if the cathode was 
>installed toward the normally positive power connector pin.  Then, if 
>there is a fuse ahead of that diode, it opens and the radio components 
>are saved.  No drop due to the diode.
>Stuart Rohre
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