CMOS 4046 core VCO.

• Coarse, fine and initial freq tune.
• LF (Low Frequency) button – on/off LFO mode, Bi-color led for rate indicate in LFO mode.
• Sync input.
• 1V/oct input.
• Exponential and linear frequency modulation inputs with attenuator pots.
• Manual pulse width (PW) and pulse-width modulation (PWM) control.
• 6 wave outputs:
  Sin
  Triangle
  Saw (x2 base frequency)
  Zig (Triangle + saw)
  Square
  Pulse (PW and PWM control)
• Diode protection on reversed power supply.
• CNC milling front panel.
• Handcrafted in Russia.