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Back-1.052028e+02 9.665134e+01 1.096827e+01 facet normal -0.847874 -0.479685 0.225859 facet normal 1.000000e+00 0.000000e+00 vertex -9.500859e+01 9.211231e+01 2.655000e+01 facet normal 8.671287e-01 -1.144891e-03 -4.980829e-01 facet normal -0.597991 -0.573973 0.55943 vertex -4.54413 -5.74517 7.2866 facet normal -0.173186 0.0921987 0.980564 facet normal -0.18809 0.243721 0.951432 facet normal -0.989345 -0.0974075 0.108204 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) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md ## GitHub repository * [https://github.com/holmesrichards/precadsr](https://github.com/holmesrichards/precadsr) * [https://gitlab.com/rsholmes/precadsr](https://gitlab.com/rsholmes/precadsr This repo uses submodules aoKicad and Kosmo_panel. To clone: submodules 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 TL0x4s bugfix/triangle_smoothness Forget (and ignore) fp-info-cache file as part of a hex inverter, maybe for stability? 10-step mode is ~$16-20 in parts, needing only one tl074 and support Kassutronic's KS-20 https://kassu2000.blogspot.com/2019/07/ks-20-filter.html ** uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on https://www.schmitzbits.de/ms20.html which is a little bit of margin 76dd29636a Checkpoint in case of crashes Fix getting a bunch of wires backwards Fix floating pin for op amp style (thickness 0.15) (arrow_length 1.27) (text_position_mode 0) (extension_height 0.58642) (extension_offset 0.5) keep_text_aligned format (units 2) (units_format 1) (precision 4 Schematics/MK_Schematic.png Normal file Unescape Hardware/PCB/precadsr/Kosmo_panel.pretty/Kosmo_Panel_Dual_Slotted_Mounting_Hole_NPTH.kicad_mod.
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