> At 09:12 07/04/98 +0100, Mike Willis wrote:
>
> Another way is to use a transformer, as in audio amplifiers and most
> modern
> solid state HF radio amplifiers
>
I would like to see the calculations. As I said before, the effect of 20
pF at 2500 Ohms is a bit bigger than 5 pF at 5 Ohms. It is this high
impedance / high capacitance combination that makes broadband tube
amplifiers difficult to make, but if you have a design I would love to
see it.
Gerard, AA3ES
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