DIY Blinds (Black Magpie Panel)

DIY Blinds (Black Magpie Panel)




DIY Blinds (Black Magpie Panel)

Blinds is a powerful 4-channel VC signal polarizer. Every channel is comprised of a four-quadrant multiplier. The circuit acts like a VCA, but a negative control voltage results in the output being an inverted signal, instead of being silenced. The outputs are all daisy-chained, allowing adjacent channels to be mixed together. Blinds is great for using as a utility to control modulation CVs in a patch, although it can be used for much more!

PCBs are made by synthCube in blue material with immersion gold finish.


Blinds Features

  • 4 Channel Polarizer / Bi-polar VCA
  • Doubles as Quad Ring Modulator
  • All inputs DC-coupled
  • All inputs handle audio-rate signals
  • Input impedance: 100k for all inputs
  • CV offset range: +/- 5V
  • Gain scale: linear, a +5V CV translates to a gain of 1
  • Gain range: +/- 2


Blinds Specs

  • Format: Eurorack
  • Width: 12HP
  • Depth: 10mm
  • Current Draw: 90mA@+12V, 90mA@-12V
  • Open Source Hardware


Module Parameters

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Tags: diy, kits, module, eurorack, mutable instruments, open source, vca, ring modulator,