Function generator circuit diagram with ICL8038

Published:2012/12/4 21:35:00 Author:Ecco | Keyword: Function generator | From:SeekIC

The circuit can get square wave, triangle wave and sine wave. And the triangular wave is directly formed by a capacitance constant current charging and discharging, the square wave is obtained by the control signal, and the sine wave is obtained by a triangular wave passing a fold line. Therefore, sine wave here is not a smooth curve, distortion is about t%, but it is sufficient for general use. As shown in figure, it uses ICL8038 function generator circuit. In the circuit, RP1 is used to adjust the frequency, it should use good quality potentiometer with adjustable frequency between 20Hz ~ 20kHz. The RP3 is used to adjust the degree of distortion, RP4 is used to adjust the duty cycle.



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