[AMPS] AL1500
2
2@vc.net
Wed, 5 Dec 2001 08:02:27 -0800
>
>2 wrote:
>>>>Thus, when the wolf comes to the door with 40 or so
>>>>amperes, the transistor shorts and does not interrupt the flow of grid
>>>>current in time.
>>>
>>>We're still waiting for a specific reference to the circuit that has
>>>this design flaw.
>>>
>>There is no one circuit that has this flaw. There are several. I have
>>never seen an 8877 grid-I-trip ckt that used a >2a transistor. If you
>>know of one, please enlighten.
>
>I know of no grid current monitoring circuits that behave as you
>describe - that's my point.
>
// Some Alphas apparently C-E-short their interrupt transistor.
>This ball has been in your court for some months, Rich. If there are
>"several" such circuits, you'll have no difficulty in naming at least
>one.
>
// If grid-overcurrent protection circuits worked I would not be seeing
kaput 8877s with loose gold about.
- R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures.
end
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