Reg Edwards wrote:
The internal resistance of a generator is independent of its internal
voltage. Just reduce the drive level to some small, no particular value,
and stop making excuses.

( Somebody will say it IS dependent. But we are interested only in
ball-park accuracy. And in any case the operating point will be within the
normal range of operation between no-drive and full drive, or between no
modulation and full modulation.)

That might work better for Class-AB than Class-C. If one
reduces drive level on a Class-C, one is reducing the 'on'
time of the device, thus changing the internal impedance
probably somewhat inversely proportional to the 'on' time.

If I remember correctly, my IC-706 would not fold back
under any load condition when run at minimum power.
--
73, Cecil http://www.qsl.net/w5dxp

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