SxLab 2181 VCO Prototype

A prototype of a VCO based on a famous THAT2181 IC and NTC thermal stabilisation. Pots: Octave, Coarse and fine tune, FM amount, pulse width Inputs: Sync, 2xV/Oct CV, FM in, PWM Outputs: Tri, Sine, Square, PWM, 3xSaw with different octaves, Sub oscillator