> measures wrote:
> >With a tetrode, one tunes/loads for a specified screen current when the
> >tank is resonant. Heavier loading =s less screen current. In practice,
> >this proceedure is close enough to simply tuning for max. relative output
> > -- as with a g-g triode. // Burning up a tetrode's screen from
> >mistuning is unlikely because screen supply power transformers usually
> >have fast-acting fuses in the primary.
> >
> Can anyone think of a *worse* way to protect the screen of a tetrode?
>
> 73 from Ian G3SEK Editor, 'The VHF/UHF DX Book'
>
I sure can't! A fuse is easily protected by the grid, not the other
way around.
Grid fuses are silly enough, let alone when placed in the supply
primary!
73, Tom W8JI
w8ji@contesting.com
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