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(Level B Circular Fiducial, 1.5mm bare copper, 2.25mm soldermask opening Circular Fiducial, 0.75mm bare copper, 3mm soldermask opening Circular Fiducial, 1.5mm bare copper, 4.5mm soldermask opening Circular Fiducial, 1.5mm bare copper, 3mm soldermask opening Circular Fiducial, 0.5mm bare copper, 2mm soldermask opening (Level B Circular Fiducial, 0.75mm bare copper, 4.5mm soldermask opening Circular Fiducial, 0.5mm bare copper, 4.5mm soldermask opening (Level A Circular Fiducial, 0.5mm bare copper, 2mm soldermask opening Circular Fiducial, 1mm bare copper, 4.5mm soldermask opening Circular Fiducial, 1.5mm bare copper, 3mm soldermask opening Circular Fiducial, 1mm bare copper, 1.5mm soldermask opening Circular Fiducial, 0.5mm bare copper, 3mm soldermask opening (recommended 5-pin SAW filter package - 1.1x0.9 mm Body; (see https://global.kyocera.com/prdct/electro/product/pdf/sf14_tdlte.pdf 0.5A, 250VAC, 50/60Hz line filter (https://filtercon.com.pl/wp-content/uploads/2019/07/Karta-katalogowa-FP-12-1.pdf Mini-Circuits Filter SMD 1206 (3216 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size from: http://datasheets.avx.com/F72-F75.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-131-02-xxx-DV, 31 Pins per row (https://www.hirose.com/product/en/products/DF13/DF13-4P-1.25DS%2820%29/), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-148-02-xx-DV-TE, 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-120-02-xx-DV-TE, 20 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 Mini-Fit Jr. Power Connectors, old mpn/engineering number: 5569-24A1, example for new part number: 22-27-2101, 10 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 KK 396 Interconnect System, old/engineering part number: 09-65-2108, 10 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 Mounting Hardware, inside blind hole M1.6, height 1, Wuerth electronics 9775041360 (https://katalog.we-online.com/em/datasheet/9775041360.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-133-02-xxx-DV-LC, 33 Pins per row (https://cdn.harwin.com/pdfs/M20-890.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py WQFN, 14 Pin (JEDEC MO-194 Var BB https://www.jedec.org/document_search?search_api_views_fulltext=MO-194), generated with kicad-footprint-generator Harwin Male Horizontal Surface Mount (SMT), Audio Jack Connector (https://www.cui.com/product/resource/sj-352x-smt-series.pdf 3.5mm audio cui horizontal jack stereo horizontal circular TRS 3.5mm, horizontal, through-hole, https://www.cui.com/product/resource/sj1-353xng.pdf TRS 3.5mm, horizontal, through-hole, with switch, horizontal shaft, https://www.bourns.com/products/encoders/contacting-encoders/product/PEC09 Bourns rotary encoder, EC12E... With switch, horizontal shaft, https://www.bourns.com/products/encoders/contacting-encoders/product/PEC09 Bourns rotary encoder, EC12E..., vertical shaft, mounting holes to PCB for holding three chips (two 74s, one 72) Noise MK's S&H not strictly a noise and envelope generator synth module. Layout and panel are Kosmo format. * [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 Submodules Latest commits for file.

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