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More for ovals 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 f80e4975fb checkpoint before getting really weird with WireIt From 5ff3077e8252367b7eceb0b21b0803904b695d42 Mon Sep 17 00:00:00 2001 From 1a5b794ab9bac64e7d0bb61780efe97d27a2e668 Mon Sep 17 00:00:00 2001 Subject: [PATCH] PCB initial layout, no traces Initial kicad, images, gitignore for kicad backups .gitignore | 1 | | U3 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8"/>

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