PWM

Published:2009/7/20 23:54:00 Author:Jessie | From:SeekIC

With S1 at 1, circuit is unjunction-transistor pulse generator with prf variable from 13 to 25 kc, and duty cycle variable from 0 to 100%. With S1 at 2, circuit is modulator whose output pulse width varies with level of external d-c signal.-D. L. Patillo, Pulse Generator Circuit Doubles Modulator, Electronics, 38:8, p 91-92.



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