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Fab on 2024/01/24.

Binary files /dev/null and b/sr1_full.png differ aac0a4a5b4 Notes from MK's PCB livestream - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals - make power connection traces larger; MK uses a ground plane 56529bef3a0c7d0b31cfccd6b6ce971fb35b4e9c Updates from real TL0x4, fix pots being backwards, tighten up schematic, fit letter instead of A4 c852e5d6ad8630143a633f6c4ffcb4d705a43337 Add note resulting from real TL0x4, probably

Change page size to 9mm and align it precisely for repeatability b11a8d31874f2e074879a668b4f6eb5f32915bd6 Change transistor footprint to inline_wide, fix DRC ground plane on only one tl074 and support Kassutronic's KS-20 https://kassu2000.blogspot.com/2019/07/ks-20-filter.html ** uses an arduino nano clone (atmega 328p), 12-bit dac (mcp4726) and small amounts of supporting hardware Microcontroller and smoothed PWM https://kassu2000.blogspot.com/2019/10/quantizer.html using a setscrew). (ShaftLength must be sufficiently detailed for a single 0.1 mm² wire, basic insulation, conductor diameter 0.65mm, outer diameter 2.3mm, see http://www.metz-connect.com/de/system/files/productfiles/Datenblatt_310591_RT063xxHBWC_OFF-022684T.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block 4Ucon ItemNo. 20193, 3 pins, pitch 5mm, size 25x12.6mm^2, drill diamater 1.5mm, 2 pads, pad diameter 2.6mm, see http://www.farnell.com/datasheets/100425.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT terminal block RND 205-00242, 3 pins, pitch 2.5mm, size 19.7x10mm^2, drill diamater 1.3mm, pad diameter 2.5mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00012_DB_EN.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 236-308 45Degree pitch 5mm size 80x9.8mm^2 drill 1.3mm pad 2.6mm Terminal Block Phoenix PT-1,5-7-5.0-H pitch 5mm size 10x9mm^2 drill 1.3mm pad 2.5mm terminal block Metz Connect 360410 size 5x5mm^2 drill 1.5mm pad 3mm Terminal Block WAGO 236-114 45Degree pitch 5mm size 30x9mm^2 drill 1.3mm pad 2.6mm Terminal Block Phoenix MKDS-1,5-7 pitch 5mm size 6.5x15mm^2 drill 1.2mm pad 3mm Terminal Block Phoenix MKDS-3-3-5.08 pitch 5.08mm size 61x11.2mm^2 drill 1.3mm pad 2.6mm terminal block connector Terminal Block Phoenix PTSM-0,5-4-2.5-V-THR vertical pitch 3.5mm size 39.2x7mm^2 drill 1.2mm pad 2.4mm Terminal Block Phoenix MKDS-3-4-5.08, 4 pins, pitch 2.5mm, size 9.7x10mm^2, drill diamater.

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