On Sat, 27 Nov 2010 15:59:17 -0800, "Artemus"
wrote:
"Jim Thompson" wrote in message
.. .
Linear produces heat/waste. You want to be switching the field on and
off... PWM.
...Jim Thompson
It would be a good idea to add a catch diode in there too as
the PWM drive + the field coil will look an awful lot like a
buck regulator.
Art
Natch! I thought that would be "intuitively obvious to the most
casual observer" :-)
...Jim Thompson
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