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Subject: capacitance measurement

Date: 10/23/02 at 4:48 PM
Posted by: xwindy
E-mail: windy_xumin@hotmail.com
Message Posted:

A probe capacitance(don't know the value, and subject to change at anytime) cascade with a cable(with cable capacity, varies by temperature), which can not be measure seperately. I suppose to detect the value of C(cable)+ C through a RC circuit which will generate a phase shift. But i can not know the C i want to detect. how can i use a circuit to measure the vaule of them?
Thanq

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