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BackOp-amp, four transistors and some example modules schematic start, and some example modules Envelope/Envelope.kicad_pcb | 2 ; DRILL file {KiCad 5.1.10-88a1d61d58~90~ubuntu20.04.1} date Thu Aug 12 15:59:21 2021 ac58a9eaed checkpoint after roughing out middle PCB checkpoint after roughing out middle PCB Binary files /dev/null and b/sr1_full.png differ aac0a4a5b4 Notes from MK's PCB livestream - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: 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 Envelope/Envelope.kicad_pcb | 2 | 1 | Synth_power_2x5 | 2x5 pin shrouded header 2.54 mm spacing
- -0.435831 0.815356 0.381112 vertex -5.61897 8.40938 2.58057.
- To compiled object code, generated.
- D="M 1.692914,7.6141757 H 1.8897644" d="M 0.70866165,8.4015775.
- Have to be even.
- Thick, 2-sided copper clad fiberglass.