Ok, you asked Skip; but let me suggest or better saying, ask, could be
the 30 MHz highest frequency for full ratings?, or maybe at lower
ratings you could have parasitics also?.
Best regards
Guillermo - LU8EYW.
Rick Cole VK3YM escribi?:
>
> Skip wrote
> >I've not had a case of parasitic problems in grid
> >driven 813 amplifiers, but I've had my share of
> >oscillation problems. So few people are building
> >new 813 projects that most threads quickly wind
> >down to a dull roar.
>
> Skip.. I am very interested in your remark about the 813 tube...Can you
> enlighten me...very briefly..as to the reason for lack of parasitics..what
> makes the 813 so stable as compared to other/similar tubes...
> Rick VK3YM
>
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