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Re: [TenTec] Orion II A9 Board Failure...Again!

To: tentec@contesting.com
Subject: Re: [TenTec] Orion II A9 Board Failure...Again!
From: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Reply-to: geraldj@storm.weather.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 25 Jun 2008 16:44:33 -0600
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
On Wed, 2008-06-25 at 09:55 -0700, pfizenmayer wrote:
> Dunno how the link disappeared - it was on my "sent" .
> 
> http://www.users.qwest.net/~pfizenmayer/
> 
> Subject: Re: [TenTec] Orion II A9 Board Failure...Again!
> 
> 
> > Here is a link to a pretty complete SPICE analysis of the A9 board - its 
> > the
> > bottom line in  the table. The issue is RIPPLE current.
> >
> > Hank K7HP
> >
> 
Work that Tentec apparently has failed to do. Looks like there are
capacitors capable of giving long life in the circuit based on the
computed and rated ripple current, and many that won't give a long life.

73, Jerry, K0CQ

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