A dual voltage controlled oscillator from Curtis ElectroMusic Specialities.


Features:
from the original data sheet

  • two independent VCOs in a single DIP
  • low cost per VCO
  • few external parts
  • wide sweep range
  • high temperature stability
  • accurate linear and exponential control
  • glitchless triangle and sawtooth waveforms from buffered outputs
  • three types of sync
  • linear FM synthesis
  • non lock-up of oscillator waveform phases, even at identical frequencies


    Synthesizers using the chip:
    with the amount used

    Akai VX600        12?
    Oberheim Xpander  6
    Rhodes Polaris    6