synth_tools

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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 http://www.latticesemi.com/view_document?document_id=213 Lattice caBGA-756, ECP5 FPGAs, based on the https://www.onsemi.com/pub/Collateral/NCP115-D.PDF Panasonic HQFN-16, 4x4x0.85mm (https://industrial.panasonic.com/content/data/SC/ds/ds7/c0/PKG_HQFN016-A-0404XZL_EN.pdf Panasonic HSON-8, 8x8x1.25mm (https://industrial.panasonic.com/content/data/SC/ds/ds7/c0/PKG_HSON008-A-0808XXI_EN.pdf QFN, 12 Pin Placed - Wide, 5.3 mm Body with Exposed Pad [eTSSOP] (see Microchip Packaging Specification 00000049BS.pdf 80-Lead Plastic Thin Quad Flatpack (PT) - 12x12x1 mm Body, 2.00 mm Footprint [HTQFP] thermal pad HTSSOP32: plastic thin shrink small outline package; 16 leads; body width 3 mm; (see NXP sot054_po.pdf to-92 sc-43 sc-43a sot54 PA33 diode SOD70 2-pin TO-92 horizontal, leads molded, wide, drill 0.75mm (see NXP sot054_po.pdf TO-92 horizontal, leads in-line, narrow, oval pads, drill 0.75mm (see NXP sot054_po.pdf TO-92 leads in-line, narrow, oval pads, drill 0.75mm (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot487-1_po.pdf HTSSOP, 38 Pin (http://www.ti.com/lit/ds/symlink/tlc5951.pdf#page=47&zoom=140,-67,15), generated with kicad-footprint-generator Mounting Hardware, inside blind hole M1.6, height 4, Wuerth electronics 9774035943 (https://katalog.we-online.de/em/datasheet/9774035943.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-106-02-xxx-DV-LC, 6 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 Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-119-02-xx-DV-TE, 19 Pins per row (http://www.molex.com/pdm_docs/sd/530480210_sd.pdf), generated with kicad-footprint-generator Molex Nano-Fit Power Connectors, old mpn/engineering number: 5566-20A, example for new part number: 26-60-5170, 17 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 JST GH series connector, B4B-PH-K (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator Molex CLIK-Mate series connector, B08B-XASK-1-A (http://www.jst-mfg.com/product/pdf/eng/eXA1.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole Mallory low-profile piezo buzzer, https://www.mspindy.com/specifications/AST1109MLTRQ.pdf Mallory low-profile piezo buzzer, https://www.mspindy.com/specifications/AST12140MLQ.pdf Buzzer, D12.2mm height 6.5mm, https://product.tdk.com/info/en/catalog/datasheets/piezoelectronic_buzzer_ps_en.pdf piezo.

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