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Re: [Amps] 3-500Z glitch resistor

To: <>
Subject: Re: [Amps] 3-500Z glitch resistor
From: David G4FTC <>
Date: Tue, 9 Sep 2008 11:37:16 +0000
List-post: <">>

> By the way, for 40 years I knew it WAS supposed to burn out and protect
> everything!
> And how, for heaven's sake, did you get to that name? for the last 60 years
> it's been called a surge protecting resistor!

But nothing should burn out or need replacing. All you should need to do is
press the reset button and the transmitter brings itself back into service. 
this would be fully automatic for operation at unmanned sites. 

The protection system in a well designed transmitter will provide the following:

Firstly the glitch resistor will limit the current.

Secondly the protection system will disconnect the power supply from the a.c. 

and thirdly, and particularly if you have supply with high capacitance, the 
will fire and discharge the capacitors

David G4FTC

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