Charging time relay circuit 2


Posted on Mar 28, 2007

Charging time relay circuit 2 It is a long delay circuit. When the capacitor C is 5000yF, the delay can be up to 1. 3h. By transistors VTi and regulator VS2, VS3 group as a con


Charging time relay circuit 2
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stant current source, in order to improve the accuracy of the delay. Press the button SB, KA relay pull, VTz off, VT3 conduction. After after a delay, VTz conduction, VT3 deadline, KA released. Adjustment potentiometer RP, adjust the delay time.




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