Voltage / frequency conversion circuit composed of TC4013

Published:2011/7/7 22:12:00 Author:Lucas | Keyword: Voltage conversion, frequency conversion | From:SeekIC

It can switch 0-100Hz input frequency to 0 -l0V output voltage. In the circuit, TC4013 is a monostable multivibrator, which could shape and amplify input pulse, and the input pulse width is 1OOμs. TC4013 could trigger VTl to turn on, when the input voltage of of comparator Al UQ <UR, its output is positive. VTl is only conducted in 10Oμs, then returned to the cut-off state, and capacitor Cl starts charging. When the charging voltage of C1 is up to UQ> UR, Al output becomes negative.



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