Indicating_one_shot

Published:2009/7/19 23:23:00 Author:Jessie | From:SeekIC

In this application, the LM3909 delivers an approximate 1/2-s flash from the LED every time that the pushbutton makes contact (momentary or held).Such circuits are used with keyboards, limit switches, and other mechanical contacts that must feed data into electronic digital systems. National Semiconductor, Linear Applications Handbook 1991 p 406



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