[AMPS] Blown TL922A... What to do?

Ian White, G3SEK Ian White, G3SEK" <g3sek@ifwtech.com
Mon, 11 Sep 2000 12:57:46 +0100


measures wrote:
>The grid protection circuits I am talking about are those that provide no 
>protection because the transistor that interrupts has too low a current 
>rating and it shorts during a glitch -- thereby affording no protection.  
>
Failure of that transistor to survive a glitch/arc/parastic/flash-
over/whatever is a simple DC design fault that can be cured by a 10K
resistor. 

I don't think that's a good reason to remove grid current protection for
normal operation.

73 from Ian G3SEK          Editor, 'The VHF/UHF DX Book'
                          'In Practice' columnist for RadCom (RSGB)
                           http://www.ifwtech.com/g3sek

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