On 21/04/2011 04:22, Xiaofan Chen wrote:
>> >
>> >  A simpler analog scheme that does not include a multiplier is to make=
 a
>> >  switching power supply.  Put a known resistor on its output.  To vary=
 the
>> >  power, you vary the supply output voltage.  Note that in this case th=
e power
>> >  will be proportional to the square of the voltage.
> That is a good idea. I am not so sure if this is how the
> "constant power mode" of the electronic load works.
>
> I am still interested in what Michael Watterson has in his mind when
> he mentioned constant power sink. Maybe he has some other
> nice ideas.

That is what I was thinking off. It's a better gauge of time than=20
constant current discharge for SMPSU load.

Constant Current Sink: Time is indicative of Linear Regulated constant load=
..

--=20
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