Synthesizer Introduction - Voltage Control Of Frequency
To illustrate a voltage-controlled frequency device.
Two Wavetek generators, loudspeaker.
The oscillator at the left produces a slowly varying voltage which is input into the VCG (voltage-controlled generator) input of the oscillator on the right. The frequency of the second generator is controlled by the VCG signal. The loudspeaker is driven directly by the output of the second generator.