synth_tools

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Audio_out_2 = [right_col, row_5, 0]; cv_in_2a = [left_col, row_5, 0]; cv_in_2a = [left_col, row_1, 0]; square_out = [third_col, third_row, 0]; fm_lvl = [h_margin+working_width/8, row_3, 0]; cv_in_2b = [right_col, row_1, 0]; audio_out_2 = [right_col, row_6, 0]; audio_in_1 = [left_col, row_3, 0]; c_tune = [width_mm/2, top_row, 0]; left_rib_x = thickness * 1; right_rib_x = width_mm - thickness*2; // How much horizontal space needed for left-hand and right-hand sub-panels left_panel_width = 12.5*3 + tolerance*4; //three knobs plus space between two resistors, and updated with more panel layout ideas Initial stab at a 10-step panel layout Based on a work 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, https://www.micron.com/-/media/client/global/documents/products/data-sheet/dram/ddr3/4gb_ddr3l.pdf#page=26 ST uTFBGA-36, 0.25mm pad, 3.6x3.6mm, 36 Ball, 6x6 Layout, 0.4mm Pitch, YFF0006, NSMD pad definition Appendix A Virtex-7 BGA, 42x42 grid, 45x45mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=307, NSMD pad definition (http://www.ti.com/lit/ds/symlink/tlv320aic23b.pdf, http://www.ti.com/lit/wp/ssyz015b/ssyz015b.pdf Texas Instruments, DSBGA, area grid, YZF, YZF0016, 2.39x2.39mm, 16 Ball, 4x4 Layout, 0.5mm Pitch, WSON-8, http://www.ti.com/lit/ds/symlink/lm27761.pdf WSON 8 1EP ThermalVias WSON, 8 Pin, TI DRG, (http://www.ti.com/lit/ds/symlink/lp2951.pdf#page=27), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-136-02-xxx-DV-LC, 36 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Hirose DF13C SMD, CL535-0405-0-51, 5 Pins per row (http://www.molex.com/pdm_docs/sd/530470610_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-108-02-xxx-DV-A, 8 Pins per row (https://www.hirose.com/product/en/products/DF13/DF13-2P-1.25DSA%2850%29/), generated with kicad-footprint-generator JST EH side entry Molex JAE 0.2mm pitch, 1mm overall height FFC/FPC connector, AFC07-S06FCA-00, 6 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf.

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