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DEF SW_Push SW 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 Single Row 2.54mm (0.1 inch) Pitch PCB Connector, M20-89019xx, 19 Pins per row (https://www.hirose.com/product/document?clcode=CL0537-0834-6-81&productname=DF12E(3.0)-50DP-0.5V(81)&series=DF12&documenttype=2DDrawing&lang=en&documentid=0000992393), generated with kicad-footprint-generator Molex CLIK-Mate series connector, S30B-PHDSS (http://www.jst-mfg.com/product/pdf/eng/ePHD.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-116-02-xx-DV-TE, 16 Pins (http://www.molex.com/pdm_docs/sd/903250004_sd.pdf), generated with kicad-footprint-generator Hirose series connector, 504050-0491 (http://www.molex.com/pdm_docs/sd/5040500891_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 44 Pin (http://www.microsemi.com/index.php?option=com_docman&task=doc_download&gid=131095), generated with kicad-footprint-generator Connector Phoenix Contact, SPT 5/9-H-7.5-ZB 1719260 Connector Phoenix Contact SPT 2.5/12-H-5.0-EX Terminal Block, 1732551 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1732551), generated with kicad-footprint-generator Molex Molex 1.00mm Pitch Easy-On Type FFC/FPC Connector, For LVDS, 6.05mm Height, Vertical, Surface Mount, http://www.molex.com/pdm_docs/sd/1054440001_sd.pdf USB TYPE C, USB 2.0, SMT, https://www.jae.com/en/connectors/series/detail/product/id=91780 USB C Type-C Receptacle SMD USB 2.0 Type C Receptacle, GCT, 16P, top mounted, horizontal, 3A: https://gct.co/files/drawings/usb4135.pdf USB C Type-C Receptacle SMD USB 2.0 Type C Plug Shenzhen Jing Tuo Jin Electronics Co 918-118A2021Y40002 ( https://datasheet.lcsc.com/lcsc/1912111437_Jing-Extension-of-the-Electronic-Co--918-118A2021Y40002_C399939.pdf ) also compatible with SOIC-8, 3.9x4.9mm body, exposed pad, 7x7mm body (http://www.analog.com/media/en/technical-documentation/data-sheets/AD7951.pdf, http://www.analog.com/en/design-center/packaging-quality-symbols-footprints/symbols-and-footprints/AD7951.html LFCSP-WD, 8 Pin (https://datasheet.lcsc.com/lcsc/2204011730_GigaDevice-Semicon-Beijing-GD5F1GQ4UFYIGR_C2986324.pdf (page 44)), generated with kicad-footprint-generator Mounting Hardware, inside through hole 2.25mm, height 3.5, Wuerth electronics 97730506332 (https://katalog.we-online.com/em/datasheet/97730506332.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py 10-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 [to be added] ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf ## Git repository From 40ce306867b3d353457e134a232ee65f5767bece Mon Sep 17 00:00:00 2001 Subject: [PATCH 09/13] Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals - make.

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