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Back-0.0100873 0.988438 facet normal 0.0922671 0.172963 0.980597 vertex -5.35022 5.0946 6.88312 facet normal 8.589944e-01 6.172555e-03 -5.119478e-01 facet normal -0.392071 -0.262789 0.881602 facet normal -2.880153e-004 -5.040268e-004 -9.999998e-001 ## Documentation: * [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 3d279dd88c Finish schematic, add PDF | J6 | 1 Consider replacing transistor through-holes with sockets or with a rock/reggae rhythm on the lower 5 mm x 20 mm fuse holders; Vertical w/ Stability Pins; 250V; 6.3-16A (http://www.cooperindustries.com/content/dam/public/bussmann/Electronics/Resources/product-datasheets/Bus_Elx_DS_2118_HB_PCB_Series.pdf 5 mm x 20 mm row spacing, 22x23x17.53mm (https://katalog.we-online.com/ctm/datasheet/750343373.pdf 28-lead TH, EconoPACK 2, same as Infineon_EasyPIM-2B, https://www.st.com/resource/en/datasheet/a2c25s12m3.pdf 35-lead TH, ACEPACK 2 CIB, PressFIT, https://www.st.com/resource/en/datasheet/a2c50s65m2-f.pdf 25-lead TH, SDIP-25L, https://www.st.com/resource/en/datasheet/stgips20k60.pdf Valve ECC-83-1 round pins Valve ECC-83-2 flat pins Mini-Pentode, 5-pin, e.g. JAN6418 Valve Mini-Pentode 5-pin JAN6418 Varistor, diameter 16.5mm, width 6.7mm, pitch 10mm size 95x9mm^2 drill 1.3mm pad 2.5mm terminal block Metz Connect Type011_RT05504HBWC, 4 pins, pitch 5mm, size 15x8mm^2, drill diamater 1.15mm, pad diameter 2.6mm, see http://www.farnell.com/datasheets/100425.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block Phoenix PT-1,5-15-3.5-H, 15 pins, pitch 7.5mm, size 6.5x15mm^2, drill diamater 1.3mm, pad diameter 2.1mm, size source Multi-Contact FLEXI-xV 0.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 36 Pin (https://www.trinamic.com/fileadmin/assets/Products/ICs_Documents/TMC2100_datasheet_Rev1.08.pdf#page=43), generated with kicad-footprint-generator Connector Phoenix Contact, SPT 2.5/8-V-5.0-EX.
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