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Strip, HLE-148-02-xxx-DV-BE-A, 48 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 Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-122-02-xxx-DV, 22 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator Molex Sabre Power Connector, 43160-2102, 2 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 Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-141-02-xxx-DV-LC, 41 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator Soldered wire connection, for 2 times 0.5 mm² wires, reinforced insulation, conductor diameter 0.5mm, outer diameter 3.9mm, size source Multi-Contact FLEXI-E/HK 0.127 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator TE, 826576-2, 2 Pins (https://www.molex.com/pdm_docs/sd/026604020_sd.pdf), generated with kicad-footprint-generator connector Molex SL vertical Molex SPOX Connector System, 53048-0710, 7 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 KK 396 Interconnect System, old/engineering part number: A-41792-0016 example for new mpn: 39-29-4229, 11 Pins (https://www.molex.com/pdm_docs/sd/026605050_sd.pdf), generated with kicad-footprint-generator Tantalum Capacitor SMD AVX-U (7361-438 Metric), IPC_7351 nominal, (Body size source: https://www.nikhef.nl/pub/departments/mt/projects/detectorR_D/dtddice/ERJ2G.pdf), generated with kicad-footprint-generator Hirose DF12C SMD, DF12C3.0-14DS-0.5V, 14 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⟨=en&documentid=0000992393), generated with kicad-footprint-generator JST XH series connector, 502494-0470 (http://www.molex.com/pdm_docs/sd/5024940270_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py 8-pin TSOT23 package, http://cds.linear.com/docs/en/packaging/SOT_5_05-08-1635.pdf TSOT, 6 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-dfn/(DCB6)%20DFN%2005-08-1715%20Rev%20A.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py PowerPAK 1212-8 Dual (https://www.vishay.com/docs/71656/ppak12128.pdf, https://www.vishay.com/docs/72598/72598.pdf PowerPAK 1212-8 Dual (https://www.vishay.com/docs/71656/ppak12128.pdf, https://www.vishay.com/docs/72598/72598.pdf PowerPAK 1212-8 Single (https://www.vishay.com/docs/71656/ppak12128.pdf, https://www.vishay.com/docs/72597/72597.pdf Vishay PowerPAK 1212-8 Single (https://www.vishay.com/docs/71656/ppak12128.pdf, https://www.vishay.com/docs/72597/72597.pdf Vishay PowerPAK SC70 single transistor package http://www.vishay.com/docs/70487/70487.pdf powerpak sc70 sc-70 dual Vishay PowerPAK 1212-8 Dual (https://www.vishay.com/docs/71656/ppak12128.pdf, https://www.vishay.com/docs/72598/72598.pdf PowerPAK 1212-8 Dual (https://www.vishay.com/docs/71656/ppak12128.pdf, https://www.vishay.com/docs/72598/72598.pdf PowerPAK 1212-8 Dual (https://www.vishay.com/docs/71656/ppak12128.pdf, https://www.vishay.com/docs/72598/72598.pdf PowerPAK 1212-8 Single Zetex, SMD, 8 pin DIP socket | | | | | | | | U3 | 1 | SW_SPDT | SPDT miniature toggle switch ON-ON | | | | | | | | R4, R6, R7, R30, R31 | 1 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8/TSSOP-8/VSSOP-8 Binary files /dev/null and b/sr1_full.png differ aac0a4a5b4 Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals 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) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md ## GitHub repository https://github.com/holmesrichards/precadsr Submodules Latest commits for branch smt_version Notes about component heights, swapping rotary and toggle switches Port in fixes from v1.1 Checkpoint after tweaking footprints some more, starting over at 14hp Checkpoint.

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