A voltage controlled oscillator from Curtis Electromusic Specialities. The basic building block of many famous vintage synthesizers.


Features:
from the original data sheet

  • sweep range - 50 000 : 1min
  • fully temperature compensated
  • four output waveforms available
  • summing node inputs for frequency control
  • high exponential scale accuracy
  • low temperature drift
  • voltage controlled pulse width
  • hard and soft sync inputs
  • linear FM
  • buffered short circuit protected outputs
  • ±15 volt supplies


    Synthesizers using the chip:
    with the amount used

    Bananna Poly Synth                     12
    Crumar Spirit                          2
    Moog MemoryMoog                        19
    Moog MemoryMoog+                       19
    Oberheim OB-8                          16
    Oberheim OB-SX                         varies
    Oberheim OB-Xa                         varies
    PAiA Proteus                           2
    Roland Jupiter-6                       12
    Roland MKS-80 (to serial #511800)      8
    Roland SH-101                          1
    Roland MC-202                          1
    Sequential Circuits Prophet-5 rev.3    11
    Sequential Circuits Prophet-10         22
    Sequential Circuits Prophet-600        12
    Sequential Circuits Pro-One            3
    Sequential Circuits Prophet-T8         16
    Steiner EV1                            ?
    Synton Synrix                          2
    
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