This Module is currently available.
Thru Zero FM VCO
https://4873-30468.el-alt.com/
Analog VCO based on the Sound Semicondutor 2130 integrated circuit.
Supports thru-zero FM
Sine, Square, Triangle, Saw, Pulse waveform outputs
Hard/Soft sync input, toggle switch selectable
CV Inputs
1V/Oct CV input
PWM CV input
Coarse and fine tuning
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