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Re: [TenTec] Need advice about OVP for 262G

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] Need advice about OVP for 262G
From: "Mike Hyder -N4NT-" <Mike_N4NT@embarqmail.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 1 Apr 2009 11:15:51 -0400
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
I may have misread what you wrote.  What part of the circuitry does the 
"overload" shut off?

Mike N4NT

----- Original Message ----- 
From: "Hulett, Russell" <rhulett1@consolidated.net>
To: <tentec@contesting.com>
Sent: Wednesday, April 01, 2009 9:56 AM
Subject: Re: [TenTec] Need advice about OVP for 262G

> Hello Mike,
> As I read the datasheet for the 1.5KE15A, the breakdown voltage is 
> nominally 15 VDC.  So when the pass transistor shorts, won't the transient 
> diode limit the voltage to the load to nominal 15 VDC, bypassing enough 
> current to ground to trip the overload on the power supply?
> I intend to incorporate a fast-blow fuse, not sure why the question 
> prompted the sarcasm.
> 73, Curt KB5JO

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