synth_tools

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Normal 0.479685 0.847874 0.225859 facet normal -0.491817 -0.403621 0.771496 vertex 7.11876 4.7566 5.56266 facet normal 0.946485 0.307054 0.0994239 facet normal -0.635858 -0.771715 -0.0118532 facet normal -7.614451e-01 5.127838e-01 3.965528e-01 facet normal 0.681165 -0.725369 0.0992665 facet normal 2.778119e-02 9.996140e-01 -0.000000e+00 vertex -1.041733e+02 9.652563e+01 2.655000e+01 facet normal 6.013306e-01 -7.990003e-01 -3.390242e-04 vertex -9.322199e+01 9.303533e+01 1.055000e+01 facet normal -0.0221389 -0.0969909 -0.995039 vertex -1.87049 -9.81842 0.0484689 facet normal -0.258274 -0.111484 0.959618 facet normal -0.288805 0.952403 0.0975683 vertex -8.31492 -3.44415 0 vertex 7.48323 5.00013 3 vertex 8.81889 1.75419 3 vertex 8.81921 -1.75094 3 vertex -6.36396 -6.36396 4.51216 facet normal -8.282777e-01 -4.097348e-03 -5.603029e-01 vertex -1.075503e+02 9.665134e+01 5.744652e+00 facet normal -0.0974474 0.989341 0.108207 facet normal 0.796836 -0.241804 0.553699 facet normal 5.724839e-01 1.677624e-03 -8.199142e-01 vertex -1.054399e+02 9.695134e+01 1.043530e+01 facet normal -0.528237 -0.643667 0.553767 facet normal 1.344394e-14 -1.000000e+00 -4.818971e-15 facet normal -0.0621138 0.113987 0.991539 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) How to use Git repository ### Git repository https://gitlab.com/rsholmes/precadsr Submodules From 83b013c3637bfb179ad62b90a6c8b2f5fb547c8c Mon Sep 17 00:00:00 2001 Subject: [PATCH] Footprint selection, some PCB layout choices .../Unseen Servant/Unseen Servant.kicad_prl | 2 | 1nF | Film capacitor | | | Tayda | A-159 | | R21, R22, R23 | 3 | A1M | **Potentiometer, 16 mm vertical board mount 3PDT miniature toggle switch ON-ON Push button switch Off-On CuK sub miniature slide switch, EG series, DPDT, http://spec_sheets.e-switch.com/specs/P040047.pdf E-Switch slide switch, EG series, SPDT, https://www.e-switch.com/wp-content/uploads/2022/06/EG.pdf tactile switch, 7.3mm x 6.25mm package, pitch 0.5mm; see section 7.6 of http://www.st.com/resource/en/datasheet/stm32l151cc.pdf WLCSP-64, 8x8 raster, 4.539x4.911mm package, pitch 0.4mm; see section 7.3 of http://www.st.com/resource/en/datasheet/stm32f042k6.pdf WLCSP-36, 6x6 raster, 2.605x2.703mm package, pitch 0.4mm; see section 7.1 of http://www.st.com/resource/en/datasheet/stm32f401vc.pdf WLCSP-49, 7x7 raster, 3.294x3.258mm package, pitch 0.4mm; see section 7.6 of http://www.st.com/resource/en/datasheet/stm32f446ze.pdf UFBGA-169, 13x13 raster, 7x7mm package, pitch 0.4mm; see section 7.3 of http://www.st.com/resource/en/datasheet/stm32f042k6.pdf WLCSP-36, 6x6 raster, 2.61x2.88mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32f303r8.pdf WLCSP-49, 7x7 raster, 2.999x3.185mm package, pitch 0.4mm; see section 36.2.3 of http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-42363-SAM-D11_Datasheet.pdf WLCSP-56, 7x8 raster, 3.170x3.444mm package, pitch 0.8mm; http://ww1.microchip.com/downloads/en/PackagingSpec/00000049BQ.pdf#p495 TFBGA-216, 15x15 raster, 13x13mm package, 0.8mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=77, NSMD pad definition Appendix A BGA 1760 1 FF1761 FFG1761 Virtex-7 BGA, 44x44 grid, 45x45mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=304, NSMD pad definition (http://www.ti.com/lit/ds/symlink/tlv320aic23b.pdf, http://www.ti.com/lit/wp/ssyz015b/ssyz015b.pdf Texas Instruments, DSBGA, 0.9x1.4mm, 6 bump 2x3 (perimeter) array, NSMD pad definition Appendix A BGA 324 0.8 CSGA324 Artix-7, Kintex-7 and Zynq-7000 BGA, 20x20 grid, 17x17mm package, 1mm pitch.

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