Differentiator / function generator?

[sean]

@reverselandfill did this:

Triple Function Generator project

Project description: I want to make a Triple Function generator based on the Sandin/LZX design. The function generator is very cool if you use it to re-colorise the B/W Luma input . Especially with camera feedback, this gives very beautiful results. Each generator stage can be used individually too. Features: 3x shaper for re-colorizing the B/W Luma video input and other processing normalised inputs Options: extra gain & span pots? See Grant Richters adapted schematic below - to be tes…

Order a kit here:
https://www.etsy.com/listing/664989156/triple-function-generator