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Back-0.0942884 -0.991507 0.0895734 facet normal 1.825918e-07 -1.000000e+00 -6.617930e-07 facet normal -3.469823e-16 -4.151400e-15 1.000000e+00 facet normal 0.816 -0.545404 -0.191516 facet normal -0.462425 -0.836797 0.293145 vertex 6.45034 -0.596366 7.73103 facet normal 0.938727 -0.284751 0.194185 facet normal 9.537634e-07 -1.000000e+00 -5.001581e-07 facet normal -0.995174 0.0974658 0.0113699 facet normal 0.0974461 -0.989341 0.108206 facet normal -7.070963e-001 -3.148238e-003 7.071103e-001 facet normal 7.148682e-16 1.867343e-17 1.000000e+00 facet normal -0.288318 -0.956944 0.0336339 facet normal -0.772993 0.634415 -4.24978e-06 facet normal 0.951321 -0.28858 0.108209 facet normal -3.176322e-001 -2.055231e-003 9.482118e-001 vertex 4.233237e+000 1.628014e+000 2.495526e+001 facet normal -0.840155 0.533173 0.0993304 facet normal 0.989341 0.0974419 0.108207 facet normal -0.245613 -0.96426 0.0993777 facet normal -0.18809 0.243721 0.951432 facet normal 0.634378 -0.767816 0.0895789 facet normal 0.382418 -0.0376647 0.923222 facet normal -0.0975625 -0.989331 0.108193 facet normal 1.683442e-15 -5.331701e-15 1.000000e+00 facet normal -0.989348 -0.0974089 0.108177 facet normal -0.976223 -0.0962896 0.194209 facet normal 0.768461 -0.630682 0.108208 facet normal -0.115797 4.56308e-05 0.993273 facet normal -0.464833 0.31635 -0.826954 vertex -2.0532 2.04871 18.9333 vertex 2.27697 -1.77649 18.9096 facet normal 0.290358 0.956918 -0 facet normal -0.243768 -0.297059 0.923219 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 ## Git repository From 40ce306867b3d353457e134a232ee65f5767bece Mon Sep 17 00:00:00 2001 Subject: [PATCH] formatting - 11 potentiometers 13 SPDT switches: // 10 steps based on https://www.analog.com/media/en/technical-documentation/data-sheets/8063fa.pdf Altera BGA-36 V36 VBGA BGA-48 - pitch 0.8 mm BGA-64, 10x10 raster, 9x9mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32f446ze.pdf UFBGA-169, 13x13 raster, 7x7mm package, pitch 0.4mm; http://ww1.microchip.com/downloads/en/devicedoc/atmel-8235-8-bit-avr-microcontroller-attiny20_datasheet.pdf#page=208 WLCSP-16, 1.409x1.409mm, 16 Ball, 4x4 Layout, 0.5mm Pitch, https://www.ti.com/lit/ds/symlink/sn74lvc1g17.pdf#page=42, https://www.ti.com/lit/ml/mxbg018l/mxbg018l.pdf BGA 5 0.5 YZP Texas Instruments, DSBGA, 3.415x3.535x0.625mm, 64 ball 8x8 area grid, NSMD pad definition Appendix A BGA 1760 1 FH1761 FHG1761 Virtex-7 BGA, 42x42.