Broadband pulse generator circuit diagram with independent adjustable duty cycle

Published:2011/9/14 9:14:00 Author:nelly | Keyword: Broadband pulse generator, adjustable duty cycle | From:SeekIC

As shown in the figure, this circuit can provide adjustable square wave and rectangular wave generator 1.2KHz~2.7KHz work frequency, 10~90% duty cycle. The frequency comes form the voltage controlled oscillator and correlative components. The 1.2KHz~2.7KHz oscillation frequency is adjusted by potentiometer RP. The counter IC2 provides set pulse which form Q0 output to SR trigger IC3, the corresponding reset pulse is decided by Q1~Q9 output select switch S. The output frequency is 1/10 of IC2's input, the square wave is obtained form carry output C .



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