SQUARE_WAVE_BURSTS

Published:2009/7/2 0:29:00 Author:May | From:SeekIC

When pushbutton switch is closed, 555 timer generates square-wave tone bursts for duration depending on how long voltage on pin 4 exceeds threshold value. R1, R2, and C, control astable action of timer.- Signetics Analog Data Manual, Signetics, Sunnyvale, CA, 1977, p 726.



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