Sequential timer circuit composed of 556

Published:2011/10/20 22:37:00 Author:Rebekka | Keyword: sequential timer | From:SeekIC

The diagram of sequential timer circuit composed of 556 is shown as above. 556 is a dual timer. The first timer output 1 passes 0.001μF coupling capacitor, then it isadded to the pin 8 of second timer's input end. The total delay is equal to two extension, 1 = 1.1 (R1C1 + R2C2). The wire connected to pin 6 is grounded, then the first timer can be turned on.



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