Discrete Through-Zero VCO

Discrete Saw-Core VCO with Discrete Blacksea gain cell in the core.
Coarse control knob over oscillator frequency 11 octaves.
Fine control knob over oscillator frequency 12 semitones.
Sine, Triangle, Saw, Pulse waves outputs.
Sub-octave square wave output. -1 or -2 octaves selectable by switch at the back.
Noise output with level attenuator and White/Pink switch.
Digital Tuner screen shows oscillated notes.
V/oct FM input.
Linear Through-Zero FM input with attenuator.
Exponential FM input with attenuator.
Pulse Width coltrol knob and Pulse Width CV input with attenuator.
Sync input for reset sync.
Tuner input for measuring external wave.

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