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Voltage Controlled Oscillator

By Sweetwater on March 16, 2016

Also knows as a “VCO,” this is an oscillator whose pitch (or frequency) is controlled by an input voltage. In an analog synthesizer, for example, pressing different keys produces different voltages, which then drive the oscillator circuit to produce specific pitches (notes). Modern (digital) keyboards don’t work this way anymore, but back in the days of analog synthesizers it was all done with voltage.

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Voltage Controlled Oscillator

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Voltage Controlled Oscillator

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