This Voltage-Controlled Oscillator is based on the Curtis CEM3340 IC. The boards are available fully-assembled or in kit format. Can be used as a standalone board, put in an enclosure, or mounted behind a modular synthesizer panel (a Eurorack-format panel is available from us, or create your own).
Features
Square, triangle, and sawtooth waves
Coarse and fine-tuning controls
Adjustable 1V/O CV input
Mod, PW and hard-sync inputs
Reverse-polarity protected
Eurorack-style power input
I/O connections on one edge of board; can be connected to wires or separate control board
Works with CEM3340 or AS3340 VCO chip (kits come with AS3340)
Inputs
1V/O CV
Mod CV (AC-coupled)
PW (Adjusts duty-cycle of square wave up or down)
Hard-sync
Outputs
Square / pulse wave
Triangle wave
Sawtooth wave
Controls
Coarse tune
Fine tune
Specifications
Power supply: +/- 12V to 15 VDC
Power connection: Eurorack 10-pin shrouded header (Can hook wires to pin holes instead if not building for Eurorack)
