554_ASTABLE

Published:2009/7/15 1:50:00 Author:Jessie | From:SeekIC

Two sections of 554 quad monostable timer are used. Output frequency is 1/ (R1 + R2) C hertz, and output duty cycle is 100R2/ (R1 + R2). When R1 is equal to R2, symmetrical square wave is obtained VCC is 4.5-16 V at 3-10mA．－H. M. Berlin, IC Timer Review, 73 Magazine，Jan. 1978, p 40－45.



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