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Old October 24th 05, 08:56 AM
MarkAren
 
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Default 4CX250B amp, with lumped output tuning

Hi All,

I am contemplating the design of a class C amp for 144MHz using wound
output inductors and a split stator (butterfly) tuning cap. This seems
to be a very common approach in the good old days for QQV06-40As, but I
don't think that I have seen such a design for 250Bs in push pull.

The issue of voltage rating of the o/p cap is of course an issue, and
the output coupling loop will need to be well insulated (assume 1500VDC
on the anodes).

Any obvious reason that this isn't a common approach ?

Ian ? Anyone ??

Thanks,

Mark.

 
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