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Variable Frequency Sinewave Generator

2015-01-01 00:00  
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This sine wave generator is adjustable between 15 Hz to 150 kHz. The circuit is basically a Wien-bridge oscillator, with multiple capacitor selection. Here is the schematic diagram:

single op amp sine wave generator circuit schematic

A stereo 10k potentiometer is used to control the frequency. The dashed line connecting these two potentiometers show that both potentiometer has single axis.



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