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Back[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) How to use 7.5mm holes, not 6mm alpha pots - 9.8mm, +2mm rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? SR2511 series are 11.43? Maybe more? Distance between pcb and front panel, vertical PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3fahr1-0 A Series, 3 pole female XLR receptacle, grounding: mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc3mav-0 A Series, 5 pole male XLR receptacle, grounding: mating connector shell and front panel, horizontal PCB mount, self tapping screw holes (A-screw), horizontal PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc5fah-0 A Series, Chassis connector H female (A series layout), horizontal PCB mount, https://www.neutrik.com/en/product/nc3maav A Series, 3 pole female XLR receptacle, grounding: without ground / shell contact, vertical PCB mount, https://www.neutrik.com/en/product/nc3fav1 A Series, 5 pole female XLR receptacle, grounding: mating connector shell to pin1 and front panel, lateral right PCB mount, https://www.neutrik.com/en/product/nc4fah A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3fah A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3fav1-0 A Series, 3 pole female XLR receptacle, grounding: separate ground contact connected to EP (http://www.aosmd.com/res/packaging_information/DFN5x6_8L_EP1_P.pdf 56-Lead Plastic Quad Flat No-Lead Package, 9x9mm Body (see Atmel Appnote 8826 64-Lead Plastic Quad Flat, No Lead Package, 1.2x1.8x1.55 mm Body [SSOP] (see Microchip Packaging Specification 00000049BS.pdf 80-Lead Plastic Thin Quad Flat, No Lead Package (MF) - 3.3x3.3x1 mm Body [UDFN] (see Atmel-8815-SEEPROM-AT24CS01-02-Datasheet.pdf DFN, 8 Pin (https://www.ti.com/lit/ds/symlink/lp2987.pdf#page=26), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-117-02-xxx-DV-BE, 17 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 JST ZE series connector, DF3EA-02P-2H (https://www.hirose.com/product/document?clcode=CL0543-0332-0-51&productname=DF3EA-5P-2H(51)&series=DF3&documenttype=2DDrawing⟨=en&documentid=0001163317), generated with kicad-footprint-generator XP_POWER ITxxxxxS SIP DCDC-Converter XP Power JTD Series DC-DC Converter DCDC-Converter, XP POWER, ISU02 Series, 2W Single Output SM DC/DC Converters https://www.murata.com/products/productdata/8807031865374/kdc-nxe1.pdf#page=8 https://www.murata.com/products/productdata/8807031898142/kdc-nxe2.pdf#page=9 Isolated 1W or 2W Single Output SM DC/DC Converters 78sr3.3 78sr5 78sr9 78sr12 78srXX DCDC-Converter, RECOM, RECOM_R-78HB-0.5, SIP-3, pitch 2.54mm, size 23.32x6.5mm^2, drill diamater 1.2mm, pad diameter 2.1mm, see http://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F282834%7FC1%7Fpdf%7FEnglish%7FENG_CD_282834_C1.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT single screw terminal block Metz Connect 360272 size 4x4mm^2 drill 1.5mm pad 3mm Terminal Block WAGO 236-201 45Degree pitch 5mm size 15x8mm^2 drill 1.3mm pad 2.5mm terminal block connector http://www.phoenixcontact.com/us/products/1778722/pdf PhoenixContact PTSM0,5 4 HV 2,5mm vertical SMD spring clamp terminal block Metz Connect Type067_RT01904HDWC pitch 10mm size 92.3x14mm^2 drill 1.15mm pad 3mm Terminal Block WAGO 804-310.
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