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Single Op-Amp Variable Sinewave Generator (LF351)

2015-01-01 00:00  
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This article describes the Single Op-Amp Variable Sinewave Generator (LF351). The content is very simple, very helpful. Components in this article can help you understand better understanding of this article. For example, in this article, you can go to find and buy these components:LF351.

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 opamp variable sinewave generator circuit schematic diagram
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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