synth_tools

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3.6x3.6mm, 36 Ball, 6x6 Layout, 0.5mm Pitch, 0.3mm Ball, http://www.st.com/resource/en/datasheet/stm32l486qg.pdf UFBGA-144, 12x12 raster, 5.24x5.24mm package, pitch 0.4mm; see section 7.6 of http://www.st.com/resource/en/datasheet/DM00257211.pdf WLCSP-64, 8x8 raster, 4.466x4.395mm package, pitch 0.65mm VFBGA-86, 6.0x6.0mm, 86 Ball, 10x10 Layout, 0.4mm Pitch, https://www.st.com/resource/en/datasheet/stm32l496wg.pdf ST WLCSP-132, ST die ID 456, 1.94x2.4mm, 20 Ball, 4x5 Layout, 0.4mm Pitch, https://www.st.com/resource/en/datasheet/stm32u575og.pdf#page=306 ST WLCSP-100, off-center ball grid, ST die ID 479, 3.56x3.52mm, 64 Ball, 8x8 Layout, 0.4mm Pitch, https://pdfserv.maximintegrated.com/package_dwgs/21-100489.PDF WLCSP-25, 5x5 raster, 2.423x2.325mm package, pitch 0.4mm; see section 7.1 of http://www.st.com/resource/en/datasheet/stm32f401vc.pdf WLCSP-49, 7x7 raster, 3.277x3.109mm package, pitch 0.8mm Altera BGA-68 M68 MBGA Altera VBGA V81 BGA-81 Altera BGA-100 M100 MBGA 121-ball, 0.8mm BGA (based on http://www.latticesemi.com/view_document?document_id=213 Lattice caBGA-756, ECP5 FPGAs, based on the top knob top_row = height - v_margin; working_increment = (working_height-v_margin+thickness) / (9); // generally-useful spacing amount for vertical columns of stuff working_height = height - hole_dist_top); echo("Putting a hole with radius: ", hole_r , " at ", width_mm - thickness; // column from edge plus hole radius //calculated x value of exact middle of panel after deducting left/right sub-panels // top horizontal rib // h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib h_wall(h=1.6, l=right_rib_x); // middle horizontal rib // one more to mount a circuit outside the full dev board (in some cases) Arduino + DAC https://www.youtube.com/watch?v=t3kUPjdiq0o for explainer https://drive.google.com/drive/folders/156nn9rClRLJplS4M46s56-Pibi86Z-Kp for schematics and .ino file uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on EPCOS app note at http://www.cypress.com/file/140006/download DFN, 6 Pin (https://www.analog.com/media/en/technical-documentation/data-sheets/MAX4460-MAX4462.pdf#page=19, https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/tdfn-ep/21-0137.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-118-02-xxx-DV-BE-LC, 18 Pins per row (http://www.molex.com/pdm_docs/sd/530480210_sd.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 5 times 0.1 mm² wires.

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