Pittsburgh Modular Oscillator Module


A wide range, high quality, 8hp utility VCO.  It offers a full complement of standard waveforms including Sine, Triangle, Saw, and Pulse waves. The Oscillator offers 5 octaves of 1 volt per octave tracking, and a frequency range starting as low as 7 seconds per cycle, allowing it to double as an LFO. Additional features include oscillator reset for hard syncing, attenuated linear FM input, pulse width, and pulse width CV input.

Module Controls

Big Knob – Coarse frequency setting

Fine Knob – Used to fine tune the frequency of the Oscillator. This control is calibrated to a range of 1 octave.

1V Input – CV input used to track the Oscillator at 1 volt per octave. This input also can be used as a logarithmic FM input.

RT – CV Input used to hard reset the Oscillator on the falling edge of the incoming waveform.

FM Knob – Linear frequency modulation CV input attenuator.

FM Input – Linear frequency modulation CV input.

PW Input – Pulse width modulation CV input. Affects the pulse width of the square wave

PW Knob – Used to manually control the pulse width of the square wave.

  • Excellent logarithmic conformance
  • Temperature compensated 1 volt per octave operation
  • Simultaneous sawtooth, pulse, triangle, and sine wave outputs
  • Sawtooth wave based oscillator circuit
  • PWM Input: 0% to 100%
  • Hard sync input
  • below audio frequency operation.
  • Size: 8hp
  • Module depth with ribbon cable attached: 35mm
  • Power Usage: 30mA
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