Re: [CAD_CAM_EDM_DRO] Re: cap question

In a message dated 02-Apr-02 00:53:45 Central Standard Time,
ccq@... writes:

> Couldn't you use a transistor to drop it? Consider: One of the ways zeners
> are
> used to regulate voltage, is to put a potentiometer between it and ground.
> Now
> if at that zener/pot juncture, you connect the base of an NPN transistor
> with
> the emitter going to ground, and the collector connected above the zener,
> the
> transistor would drop the voltage everytime the zener reached it's limit.
> An
> extra pot might be needed between the juncture and the transistor base, in
> order
> to adjust the transistor properly, but you could get away with using a
> lightweight zener that way.

This is like saying, "Couldn't you just get a fatter stick to drag out the
window, to slow the car down, better?" Really! No kidding! Besides, this
approach would be for regulating current, not voltage... It is too late
(01:03, here!). I can't think. But this is a WRONG approach. Tomorrow.


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