Analog Capacitance Admeasuring Device Circuit Diagram

Published:2011/6/9 4:23:00 Author:Vicky | Keyword: Analog Capacitance Admeasuring Device, CD4013 | From:SeekIC

The picture is the circuit of analog capacitance admeasuring device. Use a double-D trigger, CD4013, and use one trigger of the double-Drigger, CD4013, together with a tested capacitance to constitute a monostable trigger to enable it to generate output pulse. The pulse width of this output pulse and the average current value is in proportion to the capacity of the tested capacitance. Use another one trigger of CD4013 to constitute a multivibrator to generate trigger pulse. A piece of IC can be used to constitute a simplified capacitance tester. The measurement range is l00pF～lμF.



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