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35x35mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=292, https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=88, NSMD pad definition (http://www.ti.com/lit/ds/symlink/bq51050b.pdf, http://www.ti.com/lit/an/snva009ag/snva009ag.pdf Texas Instruments, DSBGA, area grid, NSMD pad definition Appendix A BGA 1156 1 FF1157 FFG1157 FFV1157 FF1158 FFG1158 FFV1158 Virtex-7 BGA, 42x42 grid, 42.5x42.5mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=292, https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=88, NSMD pad definition Appendix A BGA 484 0.8 SBG485 SBV485 LFCSP, exposed pad, 4x4mm body, pitch 0.5mm, thermal vias in pads, 2 Pins per row (http://suddendocs.samtec.com/prints/lshm-1xx-xx.x-x-dv-a-x-x-tr-footprint.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-108-02-xxx-DV-BE, 8 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 Inductor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator 4UCON 10156 Card edge socket with amplifier to handle weaker (<6v) signals Clock out socket, with option to send CV; could also go to same bus) - run/stop 2x Pushbutton switches, all 2pin: - all step switches (all go to 10 Alternative: Midi -> CV Alternative: CV from something else VCF MK's Diode Ladder VCF Kassutronic's KS-20 VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules Latest commits for file Schematics/SynthMages.pretty/C_Rect_L22.0mm_W6.1mm_P20mm_MKT_BIG_RED_CAP.kicad_mod (grid_origin -1.27 106.172 (grid_origin 121.92 119.38 "Notes": "Layer B.SilkS" ; DRILL file {KiCad 5.1.10-88a1d61d58~90~ubuntu20.04.1} date Thu Aug 12 15:59:21 2021 ac58a9eaed checkpoint after roughing out middle PCB Move LED resistors checkpoint after roughing out middle PCB Move LED resistors light tweaks From 8f3ce8359ba460976b5ffcbe5a92590e33120bbc Mon Sep 17 00:00:00 2001 Subject: [PATCH] checkpoint before getting really weird with WireIt dd8c61c34f A couple more minor clearance tweaks 9e7b04561b Add ground fills, fix some clearance issues, make all power traces large Add ground fills, fix some clearance issues, add PCB slot, more options for potentiometer spoke placement' (#1) from pcb_finalization into main Merge pull request.

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