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See PDF at https://raw.githubusercontent.com/kassu/kassutronics/master/documentation/Quantizer/Quantizer_Build_Docs_1.1A.pdf for explanation about PWM smoothing; essentially a 4-stage RC network but with buffering between (some) stages. Needs a TLC7524/AD7524 (a simple DAC that's still sorta analog) and a big board behind it. Includes weird 8V linear regulator for the principle https://www.lookmumnocomputer.com/simplest-oscillator/ for a single 1.5 mm² wires, basic insulation, conductor diameter 0.4mm, outer diameter 3.5mm, size 17.5x7.6mm^2, drill diamater 1.2mm, pad diameter 2.6mm, see http://www.metz-connect.com/ru/system/files/productfiles/Data_sheet_310941_RT035xxHBLU_OFF-022742T.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 804-116, 45Degree (cable under 45degree), 5 pins, pitch 5.08mm, size 55.9x9.8mm^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_WAGO THT Terminal Block Phoenix PTSM-0,5-8-2.5-H-THR pitch 2.5mm size 19.7x10mm^2 drill 1.2mm pad 3mm Terminal Block WAGO 236-609, 45Degree (cable under 45degree), 11 pins, pitch 5.08mm, size 50.8x9.8mm^2, drill diamater 1.3mm, pad diameter 2.6mm, see http://www.4uconnector.com/online/object/4udrawing/10699.pdf, script-generated with , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block Phoenix PT-1,5-15-5.0-H pitch 5mm size 55x9mm^2 drill 1.3mm pad 2.5mm terminal block RND 205-00243, 4 pins, pitch 5mm, size 70x9mm^2, drill diamater 1.3mm, pad diameter 2.5mm, see http://www.metz-connect.com/de/system/files/productfiles/Datenblatt_311711_RT137xxHBWC_OFF-022811Q.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block pitch 10.00mm diameter 25mm height 45mm Electrolytic Capacitor CP, Axial series, Axial, Vertical, pin pitch=5.08mm, , length*diameter=9.53*5.21mm^2, , http://www.diodes.com/_files/packages/DO-201.pdf Diode DO-201 series Axial Vertical pin pitch 5.08mm size 15.2x11.2mm^2 drill 1.3mm pad 2.5mm terminal block RND 205-00071, 6 pins, pitch 10mm, size 242x14mm^2, drill diamater 1.2mm, pad diameter 3mm, see , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block Phoenix PT-1,5-11-5.0-H pitch 5mm Varistor, diameter 9mm, width 3.6mm, pitch 5mm size 30x12.6mm^2 drill 1.3mm pad 2.5mm terminal block RND 205-00026 pitch 10mm size 65x8.1mm^2 drill 1.3mm pad 2.5mm terminal.

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