Confetti101 Gyrator

That's a gyrator board for the analog computer Confetti.
With the jumper set one can connect the output to the common ground, if no jumper is used one can use the output connector instead.
Together with the Confetti102 Chua Diode one can build a Chua's Oscillator.

Analog Computing 01 - Chua's Circuit

Paper PCB


To build this board one needs a copper stripe protoboard (1/6 of the 16x10cm board), a paper print out (1:1) and some copper wire for the bridges.

  • Resistors:
  • 1x 100 Ohm
  • 2x 1 kOhm
  • Capacitors:
  • 1x 100nF
  • Semiconductors
  • 1x TL072 OpAmp
  • Mechanical:
  • 1x IC socket, 8pins
  • 1x 2 pin strip
  • 1x 1 pin
  • 3x 2 pin header, female
  • 2x pin header, female 90° 1×3, 1×2
  • 2x pin header, male 90° 1×3, 1×2
  • 1x jumpers
  • Trimpotentiometer:
  • 1x 5 kOhm


The Confetti101 Gyrator was designed by Wolfgang Spahn 2015-20.
It is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

Creative Commons License