Sequential timing

  
By utilizing both halves of the dual timer it is possible to obtain sequential timing. By connecting the output of the first half to the input of the second half via a 01 µ-F coupling capacitor, sequential timing may be obtained. Delay ti is determined by the first half and h by the second half delay. The first half of the timer is started by momentarily connecting pin 6 to ground
Sequential timing - schematic

When it is timed out (determined by 1R1C1) the second half begins. Its time duration is determined by 1R2C2.




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