[Amps] 3.5 kV 2A REGULATED Power Supply: Schematic ?

Ian White, G3SEK G3SEK at ifwtech.co.uk
Thu Jan 1 02:22:50 EST 2004


R. Measures wrote:
>
>
>>R. Measures wrote:
>>>**  The grid does not and can not draw current when a competent
>>>operator sets the grid potential just above the level where it can draw
>>>grid-current with the max PEP drive that's available.
>>
>>That is only true if the grid input circuit is guaranteed to be able to
>>soak up all possible levels of drive without allowing grid current...
>
>**  So you are essentially saying that if the grid terminating resistor
>is blown away by the exciter, the grid driving potential could rise to a
>higher level and grid-current could flow?  Although this seems possible
>with exciters that do not have an SWR-foldback, I have not seen such,
>Ian.  Have you?  Would not such a scenario require that the
>grid-terminator be grossly undersized?
>
No, I didn't say any of that - you said all of it yourself.

Likewise most of what followed bore no relation to what I actually said.


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


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