[AMPS] Another Stupid Question

[Tom Rauch]

> At the higher frequencies, (more
> significantly), doesn't the blocking cap
> form the top half of a tapped C
> transformer with the
> tube's Cout making up the bottom half??

That would be true only if you broke the "rule" that the blocking cap 
reactance has to be small compared to the plate impedance of the 
tube. That would happen if the tube had low reactance in parallel 
with the output, which you provided in your example.

All you need is a blocking cap that has low reactance compared to 
the operating anode impedance of the tube.
73, Tom W8JI
W8JI@contesting.com 

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