Asimov wrote:
.. The maximum power transfer 50% efficiency Po/Pin figure is only valid
for a "linear" amplifier termed Class A (current flows through the
whole cycle). Other amplifier classes were invented which improved on
that 50%. i.e. Class B (push-pull) can approach just shy of 70%
(current flows through 50% of cycle), and Class C close to 90%
(current flow less than 50% of cycle). Did I misunderstand the
problem?

What you missed is Richard C. trying to redefine the
efficiency of a final amp. :-)
--
73, Cecil http://www.qsl.net/w5dxp


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