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{ $scheme = "https"; From ec09111f772901dd7c3cd7f4b2eb510ce7b1288e Mon Sep 17 00:00:00 2001 Subject: [PATCH] Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals - make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules schematic start, and some example modules 811ef45c764021f623b8bb59234df1314fce4e91 12V, -12V and ground needed, probably up to 1amp https://www.youtube.com/watch?v=pQKN30Mzi2g - maybe.

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