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Luthers Update README.md * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf * [How to use](Docs/use.md 96f746fa2d Final tweaks, version submitted to JLCPCB on 20240124 Final tweaks, version submitted to JLCPCB on 20240124 Final tweaks, version submitted to JLCPCB on 20240124 Final tweaks, version submitted to JLCPCB on 20240124 Final tweaks, version submitted to JLCPCB on 20240124 Experimenting with more panel layout 3bfacc0b86 Add main pdf Add main pdf UI: 11 potentiometers 13 SPDT switches: // 10 steps (sw1-sw10 // 1 to 4.9 milli Ohm (http://http://www.vishay.com/docs/30108/wsk.pdf Shunt Resistor SMD 0612 (1632 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 24 Pin (http://pdfserv.maxim-ic.com/package_dwgs/21-0139.PDF), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-132-02-xx-DV-TE, 32 Pins per row (https://www.hirose.com/product/en/products/DF13/DF13C-10P-1.25V%2851%29/), generated with kicad-footprint-generator Mounting Hardware, external M3, height 2.6, Wuerth electronics 9774040960 (https://katalog.we-online.de/em/datasheet/9774040960.pdf,), generated with kicad-footprint-generator Molex Panelmate series connector, 502585-0470 (http://www.molex.com/pdm_docs/sd/5025850270_sd.pdf), generated with kicad-footprint-generator Molex Nano-Fit Power Connectors, 43915-xx12, With thermal vias in pads, 5 Pins per row (http://www.molex.com/pdm_docs/sd/530470610_sd.pdf), generated with kicad-footprint-generator Molex SPOX Connector System, 5267-03A, 3 Pins per row (http://www.molex.com/pdm_docs/sd/431600105_sd.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 3 times 0.127 mm² wire, basic insulation, conductor diameter 0.65mm, outer diameter 1.5mm, size source Multi-Contact FLEXI-E_0.25 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Molex LY 20 series connector, S10B-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-143-02-xx-DV-PE-LC, 43 Pins per row (http://www.molex.com/pdm_docs/sd/431600105_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 32 Pin (https://www.exar.com/ds/mxl7704.pdf#page=35), generated with kicad-footprint-generator ipc_gullwing_generator.py Ethernet Transformer, Wuerth 749013011A, https://www.we-online.com/katalog/datasheet/749013011A.pdf YDS 30F-51NL SO, 24 Pin (https://www.jedec.org/standards-documents/docs/mo-142-d variation AD), generated with kicad-footprint-generator Hirose FH12, FFC/FPC connector, FH12-14S-0.5SH, 14 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 ipc_noLead_generator.py LFCSP, 24 Pin (http://www.ti.com/lit/ds/symlink/bq24133.pdf#page=40 Texas Instruments, DSBGA, area grid, YZR pad definition (http://www.ti.com/lit/ds/symlink/txs0104e.pdf, http://www.ti.com/lit/an/snva009ag/snva009ag.pdf Texas Instruments EUK 7 Pin Double Sided Module Texas Instruments BGA-289, 0.4mm pad, 15x15mm, 289 Ball, 17x17 Layout, 0.8mm Pitch, https://www.micron.com/-/media/client/global/documents/products/data-sheet/dram/ddr3/4gb_ddr3l.pdf#page=26 ST uTFBGA-36, 0.25mm pad, 3.6x3.6mm, 36 Ball, 6x6 Layout, 0.4mm Pitch, https://www.st.com/resource/en/datasheet/stm32l412t8.pdf ST WLCSP-49, ST die ID 464, 2.58x3.07mm, 36 Ball, 6x6 Layout, 0.5mm.

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