> OK, probably a stupid question. Are we sure that the
> tuning point with minimum input capacitance is actually
> tuned to 50MHz, and not 100MHz, with the stage acting as a
> power doubler?
A doubler with that conduction angle should have well under
10% efficiency, but I suppose it is possible the 6 meter
tank is hitting two or more frequencies at once. That was
one thing that crossed my mind.
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