If my calculation is correct, it would be about
205 Khz, assuming the choke is 1 mh.
Mark WB8JKR
>
> Returning to the SB-220 and similar amps, what is the parallel
> resonant
> frequency of the grid bypass cap and the RFC? Whatever it is, the
> grid
> is totally ungrounded to RF at that frequency.
>
> 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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> Submissions: amps@contesting.com
> Administrative requests: amps-REQUEST@contesting.com
> Problems: owner-amps@contesting.com
>
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