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Back-0.247461 -0.963792 0.0993425 facet normal -0.595624 0.758286 0.265017 facet normal 0.000168634 -0.113093 0.993584 vertex 0.130917 7.12888 6.88955 facet normal 6.126763e-01 3.910437e-03 7.903243e-01 vertex -1.054439e+02 9.725134e+01 1.131388e+01 facet normal 9.999901e-001 4.452703e-003 -0.000000e+000 vertex 8.646397e+000 4.992001e+000 0.000000e+000 facet normal -5.477259e-002 9.390085e-002 9.940737e-001 vertex -4.203549e+000 -8.732827e-001 2.495526e+001 facet normal 3.561311e-01 -3.436078e-03 -9.344297e-01 vertex -1.083677e+02 9.695134e+01 1.267521e+01 facet normal -5.30788e-07 -0.115828 -0.993269 vertex -0.210331 -4.64918 21.7467 facet normal -4.905600e-002 8.528685e-002 9.951481e-001 facet normal 0.681173 -0.725378 0.0991494 vertex 5.83175 5.47638 20 facet normal -0.989339 -0.0974854 0.108192 facet normal -0.115803 -0.000209061 0.993272 facet normal 0.737769 -0.601732 0.305966 facet normal -0.124717 0.987204 0.0993674 vertex -1.87381 -9.82287 0 facet normal -0.286109 0.952735 0.102165 facet normal -0.000107246 -0.115912 0.993259 facet normal 0.423019 0.690473 0.586772 facet normal -0.976251 -0.0961519 0.194137 facet normal -0.977429 0.186458 0.0993312 vertex -9.68583 -2.4869 0 facet normal -0.195083 -0.980787 0 vertex 5.66146 8.47298 2.19603 vertex -1.98804 9.99456 2.19603 vertex 8.22545 5.96308 2.19603 vertex -8.65691 5.31736 2.19603 vertex 10.1139 0 2.58057 facet normal 3.385610e-001 -5.800993e-001 7.408517e-001 facet normal -2.537104e-001 4.349549e-001 8.639706e-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) How to apply and the MCP4922 DAC (others may work). Probably can build our own based on http://www.latticesemi.com/view_document?document_id=213 BGA 0.8mm 9mm 121 BGA-132 11x17 12x18mm 1.0pitch Altera BGA-144 M144 MBGA Altera BGA-153 M153 MBGA Altera BGA-153 M153 MBGA Altera BGA-153 M153 MBGA Altera VBGA V81 BGA-81 Altera BGA-100 M100 MBGA 121-ball, 0.8mm BGA (based on http://www.latticesemi.com/view_document?document_id=213 Lattice caBGA-756, ECP5 FPGAs, 27.0x27.0mm, 756 Ball, 32x32 Layout, 0.8mm Pitch, http://www.latticesemi.com/view_document?document_id=213 Analog Devices KS-4, http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/sc70ks/ks_4.pdf Analog Devices (http://www.analog.com/media/en/technical-documentation/data-sheets/ADL5542.pdf LFCSP 8pin Pitch 0.5mm, http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/lfcspcp/cp_8_6.pdf LFCSP 8pin thermal pad 3x2mm Pitch 0.5mm Fairchild-specific MicroPak2-6 1.0x1.0mm Pitch 0.35mm HVSON, 8 Pin (http://www.ti.com/lit/ds/symlink/tps62823.pdf#page=29), generated with kicad-footprint-generator Molex 734 Male header (for PCBs); Straight solder pin 1 x 1 mm, 734-178 , 18 Pins (http://www.molex.com/pdm_docs/sd/903250004_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py LGA, 14 Pin (JEDEC MO-153 Var GB https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator Molex LY 20 series connector, B10P-VH (http://www.jst-mfg.com/product/pdf/eng/eVH.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 52991-0608, 60 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-105-02-xxx-DV, 5 Pins per row (http://www.molex.com/pdm_docs/sd/1053141208_sd.pdf), generated with kicad-footprint-generator Resistor SMD 2816 (7142 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size from: https://www.vishay.com/docs/48064/_t58_vmn_pt0471_1601.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-135-02-xxx-DV, 35 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator Molex Pico-Clasp series connector.
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