[Amps] AL-80B questions

[Tom W8JI]

> 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.