IC_precision_waveform_generator_with_variade_duty_cycle

Published:2009/7/25 4:21:00 Author:Jessie | From:SeekIC

These circuits are similar to that of Fig 5-47,exceptfor alternate timing configurations and a duty-cycle control, If two separate timing resistors are used (Fig. 5-48A), the output frequency is: f= 0.3/RC, where RA= RB = R. If one timing resistor is used (Fig. 5-48B or 5-48C), the output frequency is: f =0.15/RC. If the duty cycle is to be varied over a small range, it should be centered around a duty cycle of 50%.



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