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This and/or Hagiwo's quantizer, if going digital ** https://note.com/solder_state/n/nde97a0516f03 and https://www.youtube.com/watch?v=op_DhPr2goc ** arduino nano (other options probably fine), two 74HC595 shift registers (accidentally a pile in my collection) and the following conditions: The above copyright notice and a "work based on https://www.analog.com/media/en/technical-documentation/data-sheets/8063fa.pdf Altera BGA-36 V36 VBGA BGA-48 - pitch 0.8 mm BGA-64, 10x10 raster, 4.618x4.142mm package, pitch 0.4mm; http://www.fujitsu.com/global/documents/products/devices/semiconductor/fram/lineup/MB85RS1MT-DS501-00022-7v0-E.pdf Infineon LFBGA-292, 0.35mm pad, 17.0x17.0mm, 292 Ball, 20x20 Layout, 0.8mm Pitch, https://www.micron.com/-/media/client/global/documents/products/data-sheet/dram/ddr3/4gb_ddr3l.pdf#page=28 FBGA-96, 14.0x9.0mm, 96 Ball, 9x16 Layout, 0.8mm Pitch, https://www.st.com/resource/en/datasheet/stm32mp151a.pdf ST TFBGA-361, 12.0x12.0mm, 361 Ball, 23x23 Layout, 0.5mm Pitch, DSC0010J, WSON, http://www.ti.com/lit/ds/symlink/tps61201.pdf Plastic Small Outline No-Lead http://www.ti.com/lit/ml/mpds176e/mpds176e.pdf Plastic Small Outline (SSO/Stretched SO), see https://www.vishay.com/docs/84299/vor1142b4.pdf SSO Stretched SO SOIC 1.27 SSO, 7 Pin Double Sided Module Texas Instruments (http://www.ti.com/lit/ds/symlink/tps22993.pdf QFN, 24 Pin (http://www.ti.com/lit/ds/symlink/msp430fr5720.pdf#page=108), generated with kicad-footprint-generator Soldered wire connection, for 3 times outer diameter, generated with kicad-footprint-generator Harting har-flexicon series connector, B14B-PH-K (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-122-02-xx-DV-TE, 22 Pins (http://www.molex.com/pdm_docs/sd/908140004_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py LFCSP, 64 Pin (www.intel.com/content/www/us/en/ethernet-controllers/i210-ethernet-controller-datasheet.html), generated with kicad-footprint-generator Molex Nano-Fit Power Connectors, 42820-52XX, With thermal vias in pads, 3 Pins per row, Mounting: PCB Mounting Flange (http://www.molex.com/pdm_docs/sd/039291047_sd.pdf), generated with StandardBox.py) (https://www.bourns.com/docs/Product-Datasheets/SRF1260.pdf Bourns SRP1245A SMD inductor Inductor, Changjiang, FNR6028S, 6.0x6.0x2.8mm, https://datasheet.lcsc.com/lcsc/1806131217_cjiang-Changjiang-Microelectronics-Tech-FNR5040S3R3NT_C167960.pdf Inductor, Changjiang, FNR252012S, 2.5x2.0x1.2mm, https://datasheet.lcsc.com/lcsc/1806131217_cjiang-Changjiang-Microelectronics-Tech-FNR5040S3R3NT_C167960.pdf Inductor, Changjiang, FNR8065S, 8.0x8.0x6.5mm, https://datasheet.lcsc.com/lcsc/1806131217_cjiang-Changjiang-Microelectronics-Tech-FNR5040S3R3NT_C167960.pdf Inductor, Chilisin, BMRA00040420, 4.6x4.1x2.0mm, https://www.chilisin.com/upload/media/product/power/file/BMRx_Series.pdf Inductor, Chilisin, BMRA00040415, 4.6x4.1x1.5mm, https://www.chilisin.com/upload/media/product/power/file/BMRx_Series.pdf Inductor, Chilisin, BMRB00060618, 7.3x6.6x1.6mm, https://www.chilisin.com/upload/media/product/power/file/BMRx_Series.pdf Inductor, Chilisin, BMRG00101030, 11.6x10.1x3.0mm, https://www.chilisin.com/upload/media/product/power/file/BMRx_Series.pdf Inductor, Chilisin, BMRA00040415, 4.6x4.1x1.5mm, https://www.chilisin.com/upload/media/product/power/file/BMRx_Series.pdf Inductor, Chilisin, BMRB00050518-B, 5.4x5.2x1.6mm, https://www.chilisin.com/upload/media/product/power/file/BMRx_Series.pdf Inductor, Chilisin, BMRF00131360, 13.8x12.6x5.8mm, https://www.chilisin.com/upload/media/product/power/file/BMRx_Series.pdf Inductor, Chilisin, BMRG00131360, 13.8x12.6x6.0mm.

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