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BackConnected via insulated copper area below body, vias included (case drawing: https://ww2.minicircuits.com/case_style/MMM168.pdf, land pattern PL-247, including GND-vias (https://www.minicircuits.com/pcb/98-pl258.pdf Footprint for Mini-Circuits case MMM168, Land pattern PL-094, pads 5 and 6 // manual step (sw13) // 1 hp from side to center of hole, with a set screw. // top horizontal rib // middle horizontal rib h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer ## Photos ### Photos ## Documentation: * [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 --recurse-submodules git@github.com:holmesrichards/precadsr.git git submodule update Find and replace last few thin traces, fix teardrops and gnd fill Embiggen traces, add teardrops 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 wires, basic insulation, conductor diameter 0.65mm, outer diameter 3.6mm, size source Multi-Contact FLEXI-E 1.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times 0.75 mm² wires, reinforced insulation, conductor diameter 1.7mm, outer diameter 1.7mm, outer diameter 3mm, see , script-generated with , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block Metz Connect Type059_RT06305HBWC pitch 3.5mm size 53.5x8.3mm^2 drill 1.3mm pad 2.5mm terminal block RND 205-00020, 10 pins, pitch 3.5mm, size 7x6.5mm^2, drill diamater 1.2mm, pad diameter 3mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block Phoenix MPT-0,5-4-2.54 pitch 2.54mm size 5.54x6.5mm^2 drill 1.1mm pad 2.1mm terminal block connector http://www.phoenixcontact.com/us/products/1814728/pdf PhoenixContact PTSM0.5 6 2.5mm vertical SMD spring clamp terminal block RND 205-00070.
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