Sequential timer circuit

Published:2011/4/1 1:48:00 Author:Nicole | Keyword: sequential timer | From:SeekIC

The 556 double timer transports the first half to the latter half by 0.001μF coupling capacitance, giving a total delay which is equal to the sum of single delay. The moment of 6-pin grounding can start the first half of timer. After determining the time interval by 1.1R1C1, the second timer starts delaying, the value is decided by 1.1R2C2.



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