VC capacitor?

brad sanders radioactive at geocities.com
Thu Jan 16 01:37:52 CET 1997


VC cap? Just go back a few days and look at the thread on VC
resistors. It's as easy to VC a cap as a resistor: just use a
comparator, a switch driven by that comparator, and a saw or triangle
wave.

You can get pretty accurate, too. Switched cap filters are all over
the market; run a switched cap filter off a VCO and you got a VCF!



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