Single Op-Amp Variable Sinewave Generator


This is a sine wave generator circuit. It generates an adjustable sine wave betwen 15 Hz to 150 kHz. This circuit uses the principle of Wien-bridge oscillator, with multiple capacitor selection. Here is the circuit:

Single Op Amp Variable Sinewave Generator

To control the frequency, this circuit uses a stereo 10K potentiometer. This circuit is using two potentiometers that have a single axis. It was shown by the dashed line connecting both potentiometer.


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