synth_tools

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= 1/5" = 5.08mm function units_mm(u) = u * U; main synth_tools/PCB Notes.txt 17 lines Notes from debugging Do not connect the Normal pin for op amp in schmidt inverter mode, maybe both 7808 and hex inverter trigger are unnecessary? Alternative: Midi -> CV Alternative: CV from something else VCF MK's Diode Ladder VCF ~$8 in parts, mostly down to PCB edge 4.9399999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub connector horizontal angled 90deg THT female pitch 2.77x2.84mm pin-PCB-offset 14.56mm mounting-holes-distance 63.5mm mounting-hole-offset 63.5mm 62-pin D-Sub connector straight vertical THT male pitch 2.77x2.84mm pin-PCB-offset 7.699999999999999mm mounting-holes-distance 33.3mm mounting-hole-offset 33.3mm 15-pin D-Sub connector horizontal angled 90deg THT male pitch 2.29x1.98mm pin-PCB-offset 3.0300000000000002mm mounting-holes-distance 47.1mm mounting-hole-offset 47.1mm 25-pin D-Sub connector horizontal angled 90deg THT female pitch 2.77x2.54mm pin-PCB-offset 9.4mm 37-pin D-Sub connector horizontal angled 90deg THT female pitch 2.29x2.54mm pin-PCB-offset 9.4mm 26-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 9.9mm mounting-holes-distance 47.1mm mounting-hole-offset 47.1mm 25-pin D-Sub connector straight vertical THT female pitch 2.77x2.84mm pin-PCB-offset 9.4mm 15-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.77x2.84mm, pin-PCB-offset 4.9399999999999995mm, distance of mounting holes 33.3mm, distance of mounting holes to PCB edge 10.889999999999999mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 37-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.77x2.84mm, pin-PCB-offset 14.56mm, distance of mounting holes 63.5mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 9-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 9.4mm 26-pin D-Sub connector horizontal with green/yellow LEDs http://www.kycon.com/Pub_Eng_Draw/G7LX-A88S7-BP-GY.pdf 1 Port, RJ45, Series 85513, vertical, SMD, https://www.molex.com/pdm_docs/sd/855135013_sd.pdf 1 port ethernet throughhole connector, https://en.ninigi.com/product/rj45ge/pdf RJ45 vertical connector Molex Mini-Fit_Jr side entryplastic_peg Molex Mini-Fit Sr. Power Connectors, 105310-xx16, 8 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-138-02-xxx-DV-BE, 38 Pins per row, Mounting: Snap-in Plastic Peg PCB Lock (http://www.molex.com/pdm_docs/sd/039289068_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py WSON, 8 Pin (https://media-www.micron.com/-/media/client/global/documents/products/data-sheet/nor-flash/serial-nor/mt25q/die-rev-a/mt25q_qljs_u_256_aba_0.pdf#page=22), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-129-02-xx-DV-TE, 29 Pins per row, Mounting: Snap-in Plastic Peg PCB Lock (http://www.molex.com/pdm_docs/sd/039289068_sd.pdf), generated with kicad-footprint-generator JST SHL series connector, B04B-XASK-1 (http://www.jst-mfg.com/product/pdf/eng/eXA1.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 32 Pin (https://pdfserv.maximintegrated.com/package_dwgs/21-0140.PDF (T2855-4)), generated with kicad-footprint-generator JST EH series connector, 502382-1470 (http://www.molex.com/pdm_docs/sd/5023820270_sd.pdf), generated with kicad-footprint-generator JST GH series connector, BM04B-GHS-TBT (http://www.jst-mfg.com/product/pdf/eng/eGH.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py VQFN, 28 Pin (https://pdfserv.maximintegrated.com/package_dwgs/21-0140.PDF (T3255-9)), generated with kicad-footprint-generator Samtec.

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