SIMPLE_TIMED_TOUCH_SWITCH

Published:2009/6/24 21:06:00 Author:Jessie | From:SeekIC

This circuit produces an output for a time approximately equal to time constant R3/C1. IC1，IC2 CD4011 quad NAND gateIC3 CD4066 quad bilateral switchC1 47-μF, 25-V electrolytic capacitorC2 100-μF, 25-V electrolytic capacitorC3 220-μF, 25-V electrolytic capacitorC4470-μF, 25-V electrolytic capacitorC5，C6，C7 0.1-μF capacitorRI，R3，R4，R6100-kΩ,1/4-W 5% resistorR7，R9，R10，R12 100-kΩ,1/4-W 5% resistorR2，R5，R8，R11



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