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*.kicad_sch-bak Initial kicad, images, gitignore for kicad backups *-backups More repo cleanup, adopt github .gitignore file .gitattributes | 2 Fireball/Fireball.kicad_prl | 8 | 1N4148 | 100V 0.15A standard switching diode, DO-35 2x5 pin shrouded header 2.54 mm spacing KK254 Molex connector 2 pin Molex header 2.54 mm spacing | | | C6, C7, C8, C9 Schottky Barrier Rectifier Diode, DO-41 D3, D4, D5, D8, D9, D10 | 8 "active_layer_preset": "All Copper Layers", re-re-remove the mysterious extra trace .../Unseen Servant/Unseen Servant.kicad_pro | 85 cd18ed43dc Added hard sync to schematic, laid out PCB with on-board components Added hard sync to schematic, laid out PCB with on-board components Moritz Klein (https://www.ericasynths.lv/shop/diy-kits-1/edu-diy-vca/) Features: Two voltage-controlled amplifiers Latest commits for file Schematics/SynthMages.pretty/SOCKET_3_PIN_HEADER_NORMAL.kicad_mod Adding SynthMages footprint library Notes from MK's PCB livestream # Format documentation: https://kicad.org/help/file-formats/ # Netlist files (exported from Eeschema) *.net # Autorouter files (exported from Pcbnew *.ses # Exported BOM files *.xml *.csv # 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 T1 3.200mm 0.1260" (4 holes) T5 15.200mm 0.5984" (1 hole T3 7.000mm 0.2756" (6 holes) T4 10.000mm 0.3937" (4 holes T5 15.200mm 0.5984" (1 hole Total plated holes count 0 Minor layout tweaks Based on designs from: Skull & Circuits (https://www.skullandcircuits.com/vca-1-2/ Moritz Klein (https://www.ericasynths.lv/shop/diy-kits-1/edu-diy-vca/ - Two CV inputs for each, one primary and one 16-pin IC. But 3 panel-mounted UI elements for every step (plus some others), so plenty of room for a single through-hole on one side to center of package, Thorlabs photodiodes, https://www.thorlabs.de/drawings/374b6862eb3b5a04-9360B5F6-5056-2306-D912111C06C3F830/FDGA05-SpecSheet.pdf TO-92 leads molded, narrow, drill 0.75mm, hand-soldering variant with enlarged pads (see https://www.diodes.com/assets/Package-Files/TO92L.pdf and http://www.ti.com/lit/an/snoa059/snoa059.pdf TO-92L Inline Wide transistor TO-92L leads in-line (large body variant of 8-lead though-hole mounted DIP package, row spacing 10.16 mm (400 mils 24-lead surface-mounted (SMD) DIP package, row spacing 7.62 mm (300 mils), body size (see http://www.kingtek.net.cn/pic/201601201417455112.pdf SMD 10x-dip-switch SPST , Slide, row spacing 9.53 mm (375 mils), Clearance8mm 12-lead surface-mounted (SMD) DIP package, row spacing 25.4 mm (1000 mils), Socket, LongPads 12-lead.

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