I’ve designed and built two modules to fit the 100-series. They’re both built using only resistors, capacitors, and transistors in the spirit of the older modules.
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MODEL 154 — DUAL COMPARATOR
Two control voltage inputs are compared against each other. If respective input value is larger than the other, the corresponding pulse output jack will be high.
Units — 1
Price — n/a
Supply — n/a
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MODEL 197 — DUAL HARMONIC ADDER
A discrete wave folder, input a sine and outcomes a single rich in overtones.
Units — 1
Price — n/a
Supply — +15V, 46mA
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