HaraldswerkTrapezoid quadrature through zero VCO

A big name for a module “Trapezoid quadrature through zero VCO”. Well as you can see from the picture it is a big module for sure. I still need to calibrate this one and haven’t tested it a much as I would like too. I just needs some time with it to really tell something about it. For more background information be sure to check out Harald’s website.


Difficulty to build:

Have you seen it size, lots of parts calibration and other fiddly stuff like matching parts

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