>
>So my question is, does anyone know of a two terminal circuit (plus
>power and control) that acts as a variable resistor where the
>resistance is set by a voltage level or a variable resistor with less
>current through it?

Maybe I'm being dense, but isn't this the definition of a transistor?

--
http://www.piclist.com hint: To leave the PICList
mailto:piclist-unsubscribe-request@mitvma.mit.edu