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(http://ww1.microchip.com/downloads/en/DeviceDoc/64L_VQFN_7x7_Dual_Row_%5BSVB%5D_C04-21420a.pdf 40-Lead (32-Lead Populated) Plastic Quad Flat, No Lead Package - 10x10x0.9 mm Body [DFN] (see Microchip Packaging Specification 00000049BS.pdf, http://www.onsemi.com/pub/Collateral/NCP1207B.PDF 8-Lead Plastic DFN (7mm x 4mm) (see Linear Technology DFN_12_05-08-1725.pdf DE/UE Package; 12-Lead Plastic DFN (5.55mm x 5.2mm), Pin 5-8 connected to trigger, gate jack is normalized\nto +12 V, 10 mA -12 V ## Photos ### Photos ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md ## GitHub repository * [https://github.com/holmesrichards/precadsr](https://github.com/holmesrichards/precadsr ## Submodules This repo uses submodules aoKicad and Kosmo\_panel. To clone: submodules 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.

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