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9.659156e-001 facet normal -0.124337 -0.0369052 0.991554 facet normal 0.0892041 -0.0433596 0.995069 vertex -7.90932 -2.4397 19.9688 vertex -7.75382 1.99084 19.9468 facet normal 0.547907 0.449653 0.705415 vertex -7.91125 5.64888 3.26879 vertex 1.90135 -9.55875 3.26879 facet normal 0.436815 -0.865125 0.246476 facet normal -0.309855 -0.748097 0.586806 vertex 3.3328 2.22927 19.9 facet normal 0.995185 -0.0980148 -3.67514e-06 facet normal -0.0825968 0.0807457 0.993307 vertex 5.59382 -4.18518 7.89166 facet normal 0.703592 -0.707112 0.0703598 facet normal -7.070919e-001 -3.148546e-003 7.071147e-001 vertex 5.120433e+000 -1.045407e+000 2.484855e+001 facet normal -4.064223e-001 -7.112379e-001 5.735517e-001 vertex 3.424517e+000 3.845810e+000 2.480400e+001 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) How to apply the Apache License to your work, attach the following conditions: The above copyright notice, this list of conditions 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 UBGA U169 BGA-169 BGA-200, 14.5x10.0mm, 200 Ball, 12x22 Layout, 0.8x0.65mm Pitch, http://www.issi.com/WW/pdf/43-46LQ32256A-AL.pdf Altera BGA-256 M256 MBGA BGA-256, dimensions: https://www.xilinx.com/support/documentation/package_specs/ft256.pdf, design rules: https://www.xilinx.com/support/documentation/user_guides/ug1099-bga-device-design-rules.pdf Altera UBGA U169 BGA-169 BGA-200, 14.5x10.0mm, 200 Ball, 12x22 Layout, 0.8x0.65mm Pitch, http://www.issi.com/WW/pdf/43-46LQ32256A-AL.pdf Altera BGA-256 M256 MBGA BGA-256, dimensions: https://www.xilinx.com/support/documentation/package_specs/ft256.pdf, design rules: https://www.xilinx.com/support/documentation/user_guides/ug1099-bga-device-design-rules.pdf Altera UBGA U169 BGA-169 BGA-200, 14.5x10.0mm, 200 Ball, 12x22 Layout, 0.8x0.65mm Pitch, http://www.issi.com/WW/pdf/43-46LQ32256A-AL.pdf Altera BGA-256 M256 MBGA BGA-256, dimensions: https://www.xilinx.com/support/documentation/package_specs/ft256.pdf, design rules: https://www.xilinx.com/support/documentation/user_guides/ug1099-bga-device-design-rules.pdf Altera UBGA U169 BGA-169 BGA-200, 14.5x10.0mm, 200 Ball, 12x22 Layout, 0.8x0.65mm Pitch, http://www.issi.com/WW/pdf/43-46LQ32256A-AL.pdf Altera BGA-256.

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