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3.1x3.1mm; (see Texas Instruments DSBGA BGA YZP R-XBGA-N8 Texas Instruments, DSBGA, area grid, YZP, YZP0010, 1.86x1.36mm, 10 Ball, 3x4 Layout, 0.5mm Pitch, https://www.st.com/resource/en/datasheet/stm32wl54jc.pdf ST UFBGA-121, 6.0x6.0mm, 121 Ball, 11x11 Layout, 0.5mm Pitch, https://www.st.com/resource/en/datasheet/stulpi01a.pdf TFBGA-64, 8x8 raster, 4.466x4.395mm package, pitch 0.4mm; see section 7.1 of http://www.st.com/resource/en/datasheet/stm32f410t8.pdf WLCSP-49, 7x7 raster, 3.89x3.74mm package, pitch 0.5mm; see section 7.6 of http://www.st.com/resource/en/datasheet/stm32f429ng.pdf UFBGA-201, 15x15 raster, 10x10mm package, 0.5mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=266, NSMD pad definition Appendix A Spartan-7 BGA, 26x26 grid, 27x27mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=294, https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=90, NSMD pad definition Appendix A BGA 484 0.8 RS484 Artix-7 BGA, 22x22 grid, 19x19mm package, 0.8mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=78, NSMD pad definition Appendix A BGA 900 1 FB900 FBG900 FBV900 Kintex-7 and Zynq-7000 BGA, 22x22 grid, 19x19mm package, 0.8mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=268, NSMD pad definition Appendix A BGA 484 0.8 SB484 SBG484 SBV484 Zynq-7000 BGA, 15x15 grid, 13x13mm package, pitch 0.4mm; see section 7.4 of http://www.st.com/resource/en/datasheet/stm32l152zc.pdf UFBGA 132 Pins, 0.5mm Pitch, https://www.st.com/resource/en/datasheet/stm32wb55vc.pdf ST WLCSP-100, ST die ID 483, 3.73x4.15mm, 115 Ball, X-staggered 7x5 Layout, 0.4mm Pitch, https://www.st.com/resource/en/datasheet/stm32u575og.pdf#page=306 ST WLCSP-100, ST die ID 467, 3.09x3.15mm, 52 Ball, X-staggered 7x5 Layout, 0.4mm Pitch, https://www.st.com/resource/en/datasheet/stm32l496wg.pdf ST WLCSP-132, ST die ID 471, 4.437x4.456mm, 100 Ball, 10x10 Layout, 0.55mm Pitch, https://www.dialog-semiconductor.com/sites/default/files/da1469x_datasheet_3v1.pdf#page=740 VFBGA-100, 10x10, 7x7mm package, pitch 0.4mm; see section 6.3 of http://www.st.com/resource/en/datasheet/stm32f103ze.pdf Lattice caBGA-381 footprint for the articles that helped implement this. Ct = -0.1; // circle translate? Not sure. Circle_radius = knob_radius_top; // just match the top surface of the knob. [mm] // Height of the shaft on the front panel Added schmancy pcb for v2 front panel design and includes 2.5mm centerward shift for input and output jacks triangle_out = [output_column, row_2, 0]; fm_lvl = [second_col, fifth_row, 0]; square_out = [output_column, row_2, 0]; f_tune = [second_col, third_row, 0]; //Fourth row interface placement f_tune = [width_mm/2 + h_margin, top_row, 0]; f_tune = [h_margin+working_width/8, row_3, 0]; manual_2 = [left_col.

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