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- Portamento (aka slew rate controller aka glide). - Knob version fairly simple. CV version maybe possible, but a much bigger circuit. Haven't found a simple implementation. Can be passed in as parameter to eurorackPanel jackHoleDiameter = 3.85; // If you want to socket the timing capacitors. \*\* Use only four (4) potentiometers, either 9 mm or 16 mm vertical board mount OR: | | | | J12 | 1 | TL071 | Operational amplifier, DIP-8 | | R31 | 1 | 2_pin_Molex_header | 2 pin 0.6x1mm 0.375mm height package, https://www.ti.com/lit/ml/mpss034c/mpss034c.pdf, https://www.ti.com/lit/ds/symlink/tpd6e05u06.pdf USON, 14 Pin (https://www.ti.com/lit/ml/msop002a/msop002a.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py mlf 8 2x2 mm 16-Lead Quad Flat, No Lead Package (ML) - 8x8x0.9 mm Body [UQFN]; (see Microchip Packaging Specification 00000049BS.pdf 44-Lead Plastic Thin Quad Flatpack (MW) - 10x10x1.0 mm Body [QFN] with corner pads and thermal vias; see figure 8.2 of https://www.silabs.com/documents/public/data-sheets/efm8bb1-datasheet.pdf 20-Lead Plastic Quad Flat, No Lead Package - 3x3 mm Body [WSON], http://www.ti.com/lit/ml/mpds421/mpds421.pdf WSON-16 3.3 x 1.35mm Pitch 0.4mm http://www.ti.com/lit/ds/symlink/txb0108.pdf USON-20 2x4mm Pitch 0.4mm http://www.ti.com/lit/ds/symlink/txb0108.pdf USON-20 2x4mm Pitch 0.4mm 8-Lead Plastic Small Outline No-Lead http://www.ti.com/lit/ml/mpds176e/mpds176e.pdf Plastic Small Outline (SS)-5.30 mm Body (http://www.ti.com/lit/ml/msop002a/msop002a.pdf SOIC, 16 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/lfcspcp/cp_16_20.pdf, CP-16-20), generated with kicad-footprint-generator Hirose DF13 through hole, DF63R-1P-3.96DSA, 1 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 Soldered wire connection with double feed through strain relief, for 2 times 0.75 mm² wires, basic insulation, conductor diameter 0.65mm, outer diameter 3.9mm, size source Multi-Contact FLEXI-E 1.0 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times 0.75 mm² wire, basic insulation, conductor diameter 1.25mm, outer diameter 2mm, size source Multi-Contact FLEXI-xV 1.0 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Samtec HLE.

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