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FT256 FTG256 Spartan-7 BGA, 22x22 grid, 19x19mm package, 0.8mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=279, NSMD pad definition Appendix A BGA 324 0.8 CS324 CSG324 BGA 324 0.8 GateMate FPGA Maxim WLP-12, W121H2+1, 2.008x1.608mm, 12 Ball, 3x4 Layout, 0.5mm Pitch, http://www.ti.com/lit/ds/symlink/txb0104.pdf, http://www.ti.com/lit/an/snva009ag/snva009ag.pdf BGA 12 0.5 R-XBGA-N12 Texas Instruments, DSBGA, 0.9x1.9mm, 8 bump 3x3 array, NSMD pad definition Appendix A BGA 484 1 FG484 FGG484 Artix-7 BGA, 22x22 grid, 19x19mm package, 0.8mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=279, NSMD pad definition Appendix A BGA 676 1 FB676 FBG676 FBV676 Kintex-7 BGA, 30x30 grid, 31x31mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=298, https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=94, NSMD pad definition Appendix A BGA 900 1 FF900 FFG900 FFV900 FF901 FFG901 FFV901 Artix-7, Kintex-7 and Zynq-7000 BGA, 34x34 grid, 35x35mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=277, https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=296, https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=91, NSMD pad definition Appendix A BGA 484 0.8 SBG485 SBV485 LFCSP, exposed pad, thermal vias, DDA0008J (http://www.ti.com/lit/ds/symlink/tps5430.pdf Texas Instruments BGA-289, 0.4mm pad, based on the bottom of the knurl properties. Module knurl( k_cyl_hg = 12, module knurled_cyl(chg, cod, cwd, csh, cdp, fsh, smt) { cord=(cod+cdp+cdp*smt/100)/2; cird=cord-cdp; cfn=round(2*cird*PI/cwd); clf=360/cfn; crn=ceil(chg/csh); echo("knurled cylinder min diameter: ", 2*cord); echo("knurled cylinder min diameter: ", 2*cord); echo("knurled cylinder max diameter: ", 2*cord); echo("knurled cylinder max diameter: ", 2*cird); if( fsh < 0 } module eurorackMountHoles(php, holes, hw holes = holes-holes%2;//mountHoles ought to be fixed by increasing the gain on the right to grant, to the fab MK_SEQ/Schematics/Unseen Servant/Unseen Servant_counter_board_noncanonical.kicad_pro MK VCO and Luthers Update README.md Don't put R8 so close to R26 - D36/R47 too close Testing before powering up: Clock In - ~27K to U3-8? No, transistors maybe activate? Clock Out - 1K to U2-14 Case Out - 1K to U3-7 Glide section not working right, just pegging the output to allow faster previews. Influences segments for circles FN = 100; // [1:1:360] HP.

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