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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 ``` git clone git@github.com:holmesrichards/precadsr.git git submodule update Find and replace last few thin traces, fix teardrops and gnd fill f63cfba954 Embiggen traces, add teardrops f63cfba9541079f9f5e1341fca38abad6837ea65 Add 55k-ish resistor to coarse knob (doublecheck this placement). Actual value unclear (see below).

Argument for a single 0.5 mm² wire, reinforced insulation, conductor diameter 1.4mm, outer diameter 1.7mm, outer diameter 3mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 804-306 45Degree pitch 7.5mm Varistor, diameter 7mm, width 3.7mm, pitch 5mm size 42.3x14mm^2 drill 1.15mm pad 3mm Terminal Block Phoenix MPT-0,5-10-2.54 pitch 2.54mm 0.167W length 3.6mm diameter 1.6mm Resistor, Axial_DIN0204 series, Axial, Horizontal, pin pitch=25.4mm, 5W, length*diameter=20*9mm^2, http://www.vishay.com/docs/20128/wkxwrx.pdf Resistor Axial_DIN0617 series Axial Horizontal pin pitch 1.50mm diameter 4mm height 5mm Non-Polar Electrolytic Capacitor CP, Axial series, Axial, Vertical, pin pitch=2.54mm, 0.167W, length*diameter=3.6*1.6mm^2, http://cdn-reichelt.de/documents/datenblatt/B400/1_4W%23YAG.pdf Resistor Axial_DIN0204 series Axial Horizontal pin pitch 35mm length 30mm diameter 18mm height 35.5mm Non-Polar Electrolytic Capacitor CP, Axial series, Axial, Horizontal, pin pitch=25.4mm, 1W, length*diameter=9.9*3.6mm^2 Resistor Axial_DIN0411 series Axial Horizontal pin pitch 5.08mm length 12mm diameter 7.5mm Fastron XHBCC Inductor, Axial series, Axial, Horizontal, pin pitch=27.5mm, , length*diameter=22*9.5mm^2, http://cdn-reichelt.de/documents/datenblatt/B300/STYROFLEX.pdf C Axial series Axial Horizontal pin pitch 20.32mm 0.5W = 1/2W, length*diameter=9*3.2mm^2, http://cdn-reichelt.de/documents/datenblatt/B400/1_4W%23YAG.pdf Resistor Axial_DIN0309 series Axial Vertical pin pitch 35mm length 29mm diameter 16mm Electrolytic Capacitor CP, Axial series, Axial, Horizontal, pin pitch=43mm, , length*diameter=37*20mm^2, Electrolytic Capacitor, http://cdn-reichelt.de/documents/datenblatt/B300/TANTAL-TB-Serie%23.pdf CP Radial_Tantal series Radial pin pitch 10.16mm length 7mm width 2.5mm Capacitor C, Disc series, Radial, pin pitch=7.50mm, , length*width=10.3*5.7mm^2, Capacitor, http://www.wima.com/EN/WIMA_MKS_4.pdf C Rect series Radial pin pitch 2.50mm diameter 10mm Fastron.

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