Simple and practical touch delay switch circuit

Published:2011/6/13 21:38:00 Author:Fiona | Keyword: Simple and practical, touch delay switch | From:SeekIC

Delay switch circuit is shown in Figure D1 - D1, SCR component switch is composed of main circuit, BG1, BG2 switch and other components switches are composed of the control circuit. Switching delay time is mainly determined by the value of the resistance R1, R2 and capacitor C1. Provide a group of experimental data below for reference.If it want to further increase delay time, it can increase the capacity of C1. In addition to these major factors, BG1 magnification and the trigger sensitivity of the SCRare also affected to delay time.



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