synth_tools

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0.194185 vertex 9.99456 1.98804 0 facet normal 4.496515e-001 7.868899e-001 4.226319e-001 vertex -3.382837e+000 -3.928930e+000 2.480400e+001 facet normal 0.86972 0.0905846 0.485161 facet normal 0.678811 0.362975 -0.638329 facet normal -2.802933e-02 -9.996070e-01 3.536600e-04 facet normal 0.0393352 0.305328 0.951435 facet normal -0.453761 0.0357197 0.890407 facet normal -0.479365 0.871967 0.0994153 facet normal -0.0961108 -0.94716 0.306023 vertex -6.27065 0 7.71007 facet normal 0.241717 -0.79685 0.553717 facet normal 0.464678 0.695445 -0.548115 vertex -2.63805 1.98496 18.4724 facet normal 0.122595 0.678279 0.724506 facet normal -8.191569e-001 -3.647930e-003 5.735579e-001 vertex -5.047560e+000 9.624260e-001 2.480400e+001 facet normal -0.608831 -0.184688 0.771502 vertex -3.27641 -7.90994 5.56266 facet normal 0.0820533 0.0820856 -0.993242 vertex -4.5363 3.08479 21.833 facet normal 0.920073 0.0458435 0.389056 facet normal -0.956711 0.0765948 0.280779 facet normal 2.096581e-001 3.669018e-001 9.063259e-001 facet normal 0.5 0.866026 -1.49618e-05 facet normal -0.758952 0.0816197 0.646011 facet normal -4.860397e-001 -8.515486e-001 1.965461e-001 vertex -4.009437e-003 4.611441e+000 2.470887e+001 facet normal 5.282633e-07 -1.000000e+00 -5.537854e-07 facet normal 9.964601e-01 8.406740e-02 0.000000e+00 vertex -1.032503e+02 9.473903e+01 1.055000e+01 facet normal -0.0822158 -0.828628 0.55373 facet normal -0.994933 0 0.100537 facet normal -0.124707 0.987203 0.0993905 vertex -0.502324 -7.98421 20 facet normal -0.88054 -0.472777 0.0336276 facet normal 0.956918 -0.290358 0 facet normal 6.453925e-02 2.878077e-03 -9.979110e-01 facet normal -2.880153e-004 -5.040268e-004 -9.999998e-001 ## Documentation: ### 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 avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals vias connect through the board, connecting a trace 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, wide, 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-92Mini package, drill 0.75mm (see NXP sot054_po.pdf TO-92 horizontal, leads in-line, narrow, oval pads, drill 0.75mm (see e.g. Https://www.ctscorp.com/wp-content/uploads/209-210.pdf), LowProfile 3x-dip-switch SPST , Slide, row spacing 24.13 mm (950 mils), SMDSocket, SmallPads 32-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils), SMDSocket, LongPads 12-lead though-hole mounted DIP package, row spacing 15.24 mm (600 mils 40-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils), body size (see http://www.nidec-copal-electronics.com/e/catalog/switch/chs.pdf), SMD SMD DIP DIL PDIP 2.54mm 7.62mm 300mil SMDSocket SmallPads 64-lead though-hole mounted.

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