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To: tcmay who wrote (64217)	11/21/2001 2:18:57 PM
From: TimF	Read Replies (1) \| Respond to of 275872

You need to understand just the most basic of all things: a mere few hundred thousand electrons (a charge) on a gate in a MOSFET can open that conducting channel I mentioned and let _amps_ of current flow. OK with that knowledge I can rephrase my question to; "What controls the change in voltage for the few hundred electrons?". I didn't know it could be that small of change but I figured something had to control it, and I didn't (and still don't) have any idea of how this is controlled rapidly and reliably enough for its intended use. No special classes are needed. I keep referring to "Scientific American." I will repeat: go dig up some articles at your nearest library. Thanks for the suggestion. It would require a lot less time and money then attending classes, or buying a half dozen engineering books. Tim