Ken Stone/1973 classic Serge/Serge negative slew

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

How it works

Construction

PCB pattern

Overlay and PCB pattern. Note the 1M and 120p capacitor wired in parallel in two locations, as marked 1M

120p.

Photo/overlay

PCB connections

• A = input (1)
• B = output (1)
• C = VC (1)
• D = pulse out (1)
• E = input (2)
• F = output (2)
• G = VC (2)
• H = pulse out (2)
• U = not used (0v)
• W = 0v
• X = +12v
• Y = +6v
• Z = -12v

CC-BY-NC

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

See also

• Serge Modular Music System

References

• Some info on the 1973 variant of the negative slew module. by Ken Stone, 1999, with permission of the author - archived

External links

• Egres - The unofficial Serge web site
• Serge modular owners group
• CGS Synth discussion group, for discussion of locating parts, modifications and corrections etc.