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Re: [TenTec] 12 v boost ckts

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] 12 v boost ckts
From: <rrbunn@cox.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 7 Mar 2007 12:52:04 -0500
List-post: <mailto:tentec@contesting.com>
I assume that the output of the A/C transformer and rectifiers in the Ten-Tec 
power supplies is 24 VDC and regulated down to 13.8VDC. Sounds like a lot of 
wasted energy in heat and stressed regulator components, but I have not looked 
at the schematic.

Rick
N4ASX
---- Roy Koeppe <royanjoy@ncn.net> wrote: 
> All you need for perfect regulation at 13.8 vdc is to connect two 12 v
> chevy batteries in series across the basic filter caps - via a 20 amp
> fuse - in a 961 or 962 power supply. The 24 v will be regulated down to
> 13.8 in exactly the same fashion as when you're running on ac power.
> (They must be chevy batts).
> 
> 73 & fun,    Roy     K6XK/0
> 
> 
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