Ken Stone/1973 classic Serge/Serge envelope generator

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The following info on the 1973 variant of the Serge envelope generator module is presented for educational/historic purposes only and are not to scale.


PCB pattern
Overlay and PCB pattern

PCB connections

  • A = start input
  • B = Window pulse output
  • C = envelope output
  • D = End pulse output
  • E = cycle input
  • F = Hold input
  • G = Duration CV
  • H = Window size CV
  • Q = not used
  • U = not used (0v)
  • W = 0v
  • X = +12v
  • Y = +6v


Readers are permitted to construct these circuits for their own personal use only. Serge Tcherepnin retains all rights to his work.

See also


External links