Manual and CV controlled PWM (pulse width modulation)
Please note: this is a VERY difficult advanced build! If you do not feel comfortable with the difficulty level, please consider purchasing a completed unit. The MST VCO is a 100% analog 6-octave 1V/O trackable precision oscillator with full pulse width and modulation controls and with 5 waveform outputs. Features: Coarse and Fine tuning controls. Manual and CV controlled PWM (pulse width modulation). 3-octave selector switch. Temperature compensated. 2 Modulation inputs; MOD1 can be attenuated with MOD 1 AMT knob. Pulse Width Modulation input which can be attenuated. 1V/O adjustment trimmer for making adjustments. 1V/O CV input jack. 5 waveform outputs (can be used simultaneously): Sine, Triangle, Sawtooth, Sawtooth +1 octave, Square. Frequency range: 2Hz-14.39 Khz (Sawtooth +1: 28.77 Khz). Polarity protection. Specifications: Current draw: 45.9mA on +12V; 46.3mA on -12V. Width: 10HP. Module depth: 1 7/16 inches (3.7 cm.