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[AMPS] SB220

To: <amps@contesting.com>
Subject: [AMPS] SB220
From: Peter_Chadwick@mitel.com (Peter Chadwick)
Date: Mon, 2 Oct 2000 07:28:22 +0100
Rich says:

>A caveat-  If you disconnect  the +110vdc PS from the bias contacts on the 
>relay, a g/fil. shorted tube will not be able to melt down the (unfused)
filament 
>transformer.  

Is there a particular reason that this failure mode can exist E.g no fuse for
(false) economic reasons, or did it just happen that way - as things sometimes
do in designs?

73

Peter G3RZP




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