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Avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf ## Git repository ### Git repository ### Git repository https://gitlab.com/rsholmes/precadsr PSU/Synth Mages Power Word Stun provides ensmoothened ±12V with 6 2x8 IDC power connectors to supply Eurorack voltage. 0 0 Y N 1 F N DEF Synth_power_2x5 J 0 40 Y N 1 F N DEF ao_symbols_Graphic GRAF 0 40 Y Y 1 F N DEF Kosmo_panel_Pot_Hole H 0 40 0.0 0 LTYPE 5 15 330 5 100 AcDbSymbolTableRecord 100 AcDbLinetypeTableRecord 2 BYLAYER 70 0 3 3 Button_Switch_SMD SW_SPDT_PCM12 Ultraminiature Surface Mount Package (https://www.fairchildsemi.com/package-drawings/ML/MLSOP08A.pdf Power Integrations variant of 8-Lead Plastic Small Outline (SO), see https://www.elpro.org/de/index.php?controller=attachment&id_attachment=339 SO, 4 Pin (http://www.vishay.com/docs/83510/tcmt1100.pdf), generated with kicad-footprint-generator Hirose series connector, SM12B-ZESS-TB (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator JST XA series connector, B11B-PH-SM4-TB (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-139-02-xxx-DV-BE, 39 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Molex SlimStack side entry Molex Pico-Clasp series connector, SM07B-ZESS-TB (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-129-02-xx-DV-PE-LC, 29 Pins per row, Mounting: PCB Mounting Flange (http://www.molex.com/pdm_docs/sd/039291047_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 4.5mm, height 9, Wuerth electronics 9774070482 (https://katalog.we-online.de/em/datasheet/9774070482.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 55560-0501, 50 Pins per row, Mounting: Snap-in Plastic Peg PCB Lock (http://www.molex.com/pdm_docs/sd/039289068_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py 4-Lead Plastic Small Outline No-Lead 8-Lead Plastic DFN (3mm x 2mm) (see Linear Technology 1956f.pdf TSSOP.

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