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Mm, 1x2 (see [build notes](build.md | | | | | | | | | R14, R15, R18 | 3 | A1M | Potentiometer | | | | | Tayda | A-553 | | | | | R24, R26, R28 | 4 | 100 nF | Unpolarized capacitor | | | | | | | | | | | | | | R17, R19 | 2 | 10R | Resistor | | | J6, J10, J11 | 3 | 1k | Resistor | | | | | | D1, D2 | 2 | 10k | Resistor | | | C12 | 3 | A1M | Potentiometer | | | | | | R17, R19 | 2 | 1N5817 | Schottky Barrier Rectifier Diode, DO-41 D3, D4, D5, D6, D7, D8, D9, D10 | 8 | 1N4148 | 100V 0.15A standard switching diode, DO-35 | | Tayda | A-826 | | | | | U3 | 1 | 10nF | Unpolarized capacitor | Tayda | A-1605 | \* Fit SIP socket for\nsocketing capacitors C13 marked 1 nF\non first run PCB Precision ADSR build notes A-1605 * Fit SIP socket for\nsocketing capacitors C13 marked 1 nF\non first run PCBs as 1 nF. It should be 10 nF. Documentation ## Mechanical assembly Documentation # ---> KiCad # For PCBs designed using KiCad: https://www.kicad.org/ # Format documentation: http://kicad-pcb.org/help/file-formats/ # Temporary files *.lck # KiCad backups folders *-backups # Compressed files *.zip # Mac stuff *.DS_Store # Emacs temps *~ \#* # LTSpice Simulations/*.log Simulations/*.raw Simulations/*.txt Copper Layer Stackup: ============================================================= L1 : F.Cu front L2 : B.Cu back Drill file 'precadsr-panel.drl' contains plated through holes: merged pull request synth_mages/MK_SEQ#2 Added schmancy pcb for v1 front panel to PSU PCB (will affect choice of 9 mm or 16 mm vertical board mount. Only 16 mm vertical board mount. Main MK_VCO/Panels/title_test.scad 40 lines default_label_font = "Futura XBlk BT:style=Extra Black"; // waves out wall(h=4, w=width_mm-hole_dist_top-4); // one more to mount a circuit outside the full dev board (in some cases) Arduino + DAC https://www.youtube.com/watch?v=t3kUPjdiq0o for explainer https://drive.google.com/drive/folders/156nn9rClRLJplS4M46s56-Pibi86Z-Kp for schematics and .ino file uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on the terms of this License will terminate automatically if You fail to comply with the fields enclosed by brackets "{}" replaced with your fetcher, use the 4 pins for trigger, gate, and CV routing # Precision ADSR with mods" Fit one of its Copyright (c) 2021 Swisscom (Switzerland) Ltd.

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