SQUARE_TRIANGLE_VCO

Published:2009/7/6 23:42:00 Author:May | From:SeekIC

With DC control voltage of 5 mV to 5 V, circuit controls frequency of both square and triangle outputs with good linearity. Peak value of triangle output is precisely set at 2.44 V and 0 V by reference voltages at noninverting inputs of comparators.Comparator A2 drives load for low outputs, while comparator A1 drives load when output is high. Article tells how circuit works.-R. C.Dobkin, Comparators Can Do More Than Just Compare, EDN Magazine, Nov. 1, 1972, p 34-37.



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