[TenTec] 1340 QRP Transceiver - 12V Polarity?

Shawn Upton kb1ckt at yahoo.com
Tue Mar 13 15:05:08 PDT 2012


Yeah, I know.  Didn't want to deal with a fuse.

Shawn
Kb1ckt


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

>Shawn,
>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
>K5KVH
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