synth_tools

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Vertex -3.48287 5.48813 20 vertex 2.47214 7.60845 20 facet normal -0.174189 -0.420502 0.890414 facet normal -0.500001 -0.866025 1.77778e-07 facet normal 0.768461 -0.630682 0.108208 facet normal 0.0980262 0.995184 9.21874e-06 facet normal 0.241719 0.796857 0.553706 facet normal 0.877371 0.466811 0.110936 facet normal 0.695453 0.464714 -0.548075 vertex -3.08346 1.31835 18.4724 vertex -2.63805 -1.98496 18.4724 vertex 0.4 2.86172 18.9065 facet normal 6.908940e-001 -7.229561e-001 0.000000e+000 vertex -2.933353e+000 -4.865908e+000 2.496000e+001 vertex -3.571954e-001 -7.109637e+000 2.496000e+001 vertex -6.413717e+000 -2.985593e+000 9.983999e+000 vertex 1.726210e+000 -6.911484e+000 2.496000e+001 vertex 7.086258e+000 3.645680e-001 1.747200e+001 facet normal -0.0393762 -0.305317 0.951436 facet normal -0.0817064 0.0814906 0.993319 vertex 4.58792 -4.29176 7.81747 facet normal 0.0814915 0.0817041 0.993319 vertex -4.77321 -4.19228 7.82455 facet normal -0.0819028 -0.0819649 -0.993264 vertex 3.43619 -3.13874 21.7467 facet normal -0.366291 -0.925196 0.0992094 facet normal 3.314095e-15 -2.123847e-15 1.000000e+00 facet normal -8.266210e-01 5.627590e-01 1.789245e-04 vertex -9.132857e+01 1.027825e+02 4.255000e+01 vertex -9.738442e+01 1.060940e+02 2.655000e+01 facet normal 0.0702523 -0.0430222 0.996601 facet normal 9.319656e-01 -3.436841e-03 3.625305e-01 vertex -1.093059e+02 9.725134e+01 1.005824e+01 facet normal -4.840226e-001 8.306738e-001 2.751421e-001 facet normal -0.767815 0.63438 0.0895698 vertex -0.759029 -6.57068 7.85151 facet normal -9.891674e-001 -4.709916e-003 1.467164e-001 vertex 5.057285e+000 -2.919529e+000 2.467858e+001 facet normal -0.353597 -0.430898 0.830239 vertex -5.26058 -7.87301 3.54602 vertex 9.46879 0 3.54602 facet normal -0.45399 0.891007 0 facet normal 7.990206e-01 -6.013035e-01 3.312517e-04 facet normal 0.22956 -0.181238 0.956271 vertex -7.01491 -0.282485 6.94563 vertex -4.97595 5.14541 6.88072 vertex 5.06488 4.7897 6.94018 facet normal -0.76849 -0.630641 0.108235 facet normal -0.880541 0.472774 0.0336386 facet normal 8.613040e-01 5.080899e-01 0.000000e+00 vertex -9.129413e+01 1.027282e+02 1.855000e+01 vertex -1.044754e+02 9.769640e+01 2.655000e+01 facet normal -0.90036 0.423683 0.0992177 facet normal -0.401175 -0.913295 0.0703598 facet normal -4.395882e-001 7.536193e-001 4.886923e-001 vertex 1.361023e+000 -3.967888e+000 2.484855e+001 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 ``` git clone --recurse-submodules git@gitlab.com:rsholmes/precadsr.git ``` ``` git clone --recurse-submodules git@github.com:holmesrichards/precadsr.git git submodule init git submodule update Find and replace last few thin traces, fix teardrops and gnd fill f63cfba954 Embiggen traces, add teardrops f63cfba9541079f9f5e1341fca38abad6837ea65 Add 55k-ish resistor to coarse knob to fix tuning range updates the potentiometer pads and thermal vias; see section 7.4 of http://www.st.com/resource/en/datasheet/stm32l152zc.pdf WLCSP-64, 8x8 raster, 3.347x3.585mm package, pitch 0.4mm; see section 7.2 of http://www.st.com/resource/en/datasheet/stm32f378vc.pdf WLCSP-72, 9x9 raster, 4x4mm package, pitch 0.4mm; see section 6.3 of http://www.st.com/resource/en/datasheet/stm32f746zg.pdf WLCSP-144, 12x12 raster, 10x10mm package, pitch 0.8mm; see section.

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