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** CA3080 design is ancient; maybe an updated one exists with current ICs? Scrat https://modularaddict.com/scrat-configurable-vcf-neutral-labs plug in your own components to hear what they do J175 jfet (~50¢) and H11F1M ($5!) optocoupler, otherwise basic jellybeans ** can a cheaper optocoupler work? What's it even for? CV Generators Ornament & Crime a highly recommenced "polymorphic CV generator" Wave Folder using LM13700: https://kassu2000.blogspot.com/2021/11/wavefolder.html atari punk console could go here LMNC built an ancient NOS one? Midi? Or analog gate signals directly? Generate an envelope from an audio source instead of latch, https://www.neutrik.com/en/product/nc3fahl1-0 A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc5fav-da A Series, 5 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, steel retention lug, vertical PCB mount, https://www.neutrik.com/en/product/nl2md-v speakON Chassis Connectors, 4 pole chassis connector, grey D-size flange, countersunk thru holes, vertical PCB mount, replaces NL8MD-V-1, https://www.neutrik.com/en/product/nl8mdxx-v-3 speakON Chassis Connectors, 4 pole chassis connector, black D-size flange, mirrored self tapping screw holes (A-screw), vertical PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3fav2-0 A Series, 5 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, retention spring instead of A4 More cleanup d12ec1f19bbae8f01395e4c76a152d3d4ce7a3d4 Align panel to PSU PCB (will affect choice of 9 mm pots, you're on your own! * The first two groups should be the same, see datasheet: https://www.mouser.com/datasheet/2/54/PTL-777483.pdf (page 4) if we want C3 and C4 could use fewer caps that way 7022ad9ddb couple more minor clearance tweaks Add ground fills, fix some clearance issues.

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