Photosensitive monostable trigger circuit

Published:2012/9/23 22:12:00 Author:Ecco | Keyword: Photosensitive , monostable trigger | From:SeekIC

This circuit is similar to the ordinary monostable multivibrators, and their function is the same, but at this time, the control signal is replaced by optical signals on the phototransistor. The output pulse width of the signal depends on the time constant formed by the RC link, it has nothing to do with the duration of the light pulse which is longer than the shortest time, and the later depends on the limit frequency of the phototransistor.



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