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DSBGA, 1.36x1.86mm, 12 bump 4x3 grid, NSMD pad definition Appendix A BGA 676 1 FG676 FGG676 Spartan-7 BGA, 26x26 grid, 27x27mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=271, ttps://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=281, https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=82, NSMD pad definition Appendix A 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=79, NSMD pad definition (http://www.ti.com/lit/ds/slas718g/slas718g.pdf, http://www.ti.com/lit/an/snva009ag/snva009ag.pdf Texas Instruments, BGA Microstar Junior, 7x7mm, 113 ball 12x12 grid, NSMD pad definition Appendix A BGA 484 0.8 SB484 SBG484 SBV484 Zynq-7000 BGA, 22x22 grid, 23x23mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=269, NSMD pad definition Appendix A 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=300, NSMD pad definition Appendix A BGA 484 0.8 SBG485 SBV485 LFCSP, exposed pad, 7x7mm body (http://www.analog.com/media/en/technical-documentation/data-sheets/AD7951.pdf, http://www.analog.com/en/design-center/packaging-quality-symbols-footprints/symbols-and-footprints/AD7951.html LFCSP-WD, 8 Pin (http://www.fujitsu.com/ca/en/Images/MB85RS2MT-DS501-00023-1v0-E.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py Texas WSON-6 DQK, http://www.ti.com/lit/ds/symlink/csd16301q2.pdf Texas DRC0010J, VSON10 3x3mm Body, 0.65mm Pitch, S-PVSON-N8, http://www.ti.com/lit/ds/symlink/opa2333.pdf 3x3mm Body, 0.65mm Pitch, S-PVSON-N8, http://www.ti.com/lit/ds/symlink/opa2333.pdf 3x3mm Body, 0.65mm Pitch, S-PVSON-N8, http://www.ti.com/lit/ds/symlink/opa2333.pdf 3x3mm Body, 0.65mm Pitch, S-PVSON-N8, http://www.ti.com/lit/ds/symlink/opa2333.pdf 3x3mm Body, 0.5mm Pitch (http://www.allegromicro.com/~/media/Files/Datasheets/ACS711-Datasheet.ashx Allegro Microsystems PSOF-7, 4.8x6.4mm Body, 1.60mm Pitch (http://www.allegromicro.com/~/media/Files/Datasheets/ACS780-Datasheet.ashx Allegro Microsystems PSOF-7, 4.8x6.4mm Body, 1.60mm Pitch (http://www.allegromicro.com/~/media/Files/Datasheets/ACS780-Datasheet.ashx Allegro Microsystems PSOF-7, 4.8x6.4mm Body, 1.60mm Pitch (http://www.allegromicro.com/~/media/Files/Datasheets/ACS780-Datasheet.ashx Allegro Microsystems PSOF-7, 4.8x6.4mm Body, 1.60mm Pitch (http://www.allegromicro.com/~/media/Files/Datasheets/ACS780-Datasheet.ashx Allegro Microsystems 24-Lead Plastic DFN (3mm x 3mm); Pitch 0.4mm; EP 1.7x1.54mm; for InvenSense motion sensors; keepout area marked (Package see: https://store.invensense.com/datasheets/invensense/MPU9250REV1.0.pdf; See also https://www.invensense.com/wp-content/uploads/2015/02/InvenSense-MEMS-Handling.pdf 24-Lead Plastic DFN (5.55mm x 5.2mm), Pin 5-8 connected to trigger, gate jack is normalized\nto +12 V, 10 mA -12 V ## Photos ### Photos ## 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 use the Work includes a "NOTICE" text file as it is not available, but a bitmap generator is available for arbitrary text at 200-size from: https://www.myfonts.com/collections/quentin-font-urw?tab=individualStyles ... 3D Printing/Panels/BLADE BARRIER.png | Bin 0 -> 167187 bytes Images/PXL_20210831_002553634.jpg | Bin 0 -> 70804 bytes README.md | 4 README.md | 1 | B10k | **Potentiometer, 16 mm vertical board mount OR: | | C6, C7, C8, C9 | 4 README.md | 12 delete mode 100644 .gitattributes Latest commits for file Schematics/SynthMages.pretty/Switch.lib Latest commits for file Schematics/SynthMages.pretty/POT_2_PIN_Header.kicad_mod From 7d48e110137d43d1f6f9100282eff6558c28f26b Mon Sep 17 00:00:00 2001 Subject: [PATCH] Update README.md Update README.md 8be0bd80e05e7fe62720d7fda27423a4c75b90a3 Update README.md 5505000471ab249f70d985a8f814bce077fb47b2 Update README.md 8be0bd80e05e7fe62720d7fda27423a4c75b90a3 Update README.md Don't put R8 so close to R26 - D36/R47 too close - Clock rate goes down when resistance goes up, opposite to expectation. Glide fix - Single-step button (SW13) isn't producing a high.

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