[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
--
FAQ on WWW: http://www.contesting.com/FAQ/amps
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com