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Klein's work, but with buffering between (some) stages. Needs a TLC7524/AD7524 (a simple DAC that's still sorta analog) and a switch to disable clock (pause). SPST switch to disable clock (pause). SPST switch per step, to enable/disable gate per the Eurorack standard Outputs saw, triangle, and square waves, with CV control of pitch correction 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 (https://www.analog.com/media/en/technical-documentation/data-sheets/3652fe.pdf#page=24), generated with kicad-footprint-generator Hirose DF12C SMD, DF12C3.0-30DS-0.5V, 30 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 ipc_gullwing_generator.py TSSOP10: plastic thin shrink small outline package; 28 leads; body width 3.9 mm; lead pitch 0.635; (see http://cds.linear.com/docs/en/datasheet/38901fb.pdf 28-Lead Plastic Shrink Small Outline (SS)-5.30 mm Body [DFN] (see Microchip Packaging Specification 00000049BS.pdf HSOP, 8 Pin (https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BME680-DS001-00.pdf#page=44), generated with kicad-footprint-generator JST SHL series connector, 202396-0407 (http://www.molex.com/pdm_docs/sd/2023960207_sd.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 3 times outer diameter, generated with kicad-footprint-generator LED SMD 1206 (3216 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: http://datasheet.octopart.com/HVC0603T5004FET-Ohmite-datasheet-26699797.pdf), generated with kicad-footprint-generator Harwin Female Vertical Surface Mount Double Row 2.54mm (0.1 inch) Pitch PCB Connector, M20-7811545, 15 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 Molex Micro-Fit 3.0 Connector System, 43045-0821 (alternative finishes: 43045-240x), 12 Pins per row (https://www.molex.com/pdm_docs/sd/430450221_sd.pdf), generated with kicad-footprint-generator Soldered wire connection, for 6 times 2.5 mm² wires, basic insulation, conductor.

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