In , Cecil Moore wrote:
Don Klipstein wrote:
If zero output impedance is achieved in an RF output stage, I see a
possible benefit -

Yep, 100% efficiency would be quite a benefit.

There are audio amplifiers with output impedance around .1 ohm, driving
8 ohm speakers, and having efficiency nowhere near 80/81. The theoretical
limit for efficiency of a class B amp driving a resistive load with a
sinewave is 78.54%.

- Don Klipstein )