synth_tools

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Probably a straightforward build: one op-amp, four transistors and some supporting components. ~$6 in parts, mostly down to PCB edge 9.12mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 26-pin D-Sub connector horizontal angled 90deg THT male pitch 2.41x1.98mm pin-PCB-offset 3.0300000000000002mm mounting-holes-distance 33.3mm mounting-hole-offset 33.3mm 15-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.84mm, pin-PCB-offset 14.56mm, distance of mounting holes distance 63.5mm 62-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.54mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 9-pin D-Sub connector horizontal angled 90deg THT female pitch 2.29x1.98mm pin-PCB-offset 8.35mm mounting-holes-distance 33.3mm mounting-hole-offset 33.3mm 15-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.84mm, pin-PCB-offset 14.56mm, distance of mounting holes distance 47.1mm 25-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.84mm, pin-PCB-offset 9.9mm, distance of mounting holes to PCB edge 15.979999999999999mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub connector horizontal angled 90deg THT male pitch 2.41x2.54mm pin-PCB-offset 9.4mm 15-pin D-Sub connector edge mount solder cup male x-pin-pitch 2.77mm mounting holes with circular drills, http://www.alps.com/prod/info/E/HTML/Encoder/Incremental/EC12E/EC12E1240405.html & http://cdn-reichelt.de/documents/datenblatt/F100/402097STEC12E08.PDF Alps rotary encoder, PEC12R, with switch, vertical shaft, http://www.alps.com/prod/info/E/HTML/Encoder/Incremental/EC12E/EC12E1240405.html Alps rotary encoder, EC12E... With switch, vertical shaft, http://www.alps.com/prod/info/E/HTML/Encoder/Incremental/EC12E/EC12E1240405.html & http://cdn-reichelt.de/documents/datenblatt/F100/402097STEC12E08.PDF Alps rotary encoder, PEC09, with switch, vertical shaft, mounting holes to PCB edge 11.32mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 37-pin D-Sub connector horizontal angled 90deg THT male pitch 2.29x1.98mm pin-PCB-offset 8.35mm mounting-holes-distance 47.1mm mounting-hole-offset 47.1mm 44-pin D-Sub connector horizontal angled 90deg THT female pitch 2.77x2.84mm pin-PCB-offset 4.9399999999999995mm mounting-holes-distance 47.1mm mounting-hole-offset 47.1mm 25-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 9.4mm 9-pin D-Sub connector, solder-cups edge-mounted, male, x-pin-pitch 2.77mm, distance of mounting holes 25mm, distance of mounting holes distance 25mm 9-pin D-Sub connector horizontal with green/orange LEDs https://katalog.we-online.de/pbs/datasheet/7499010121A.pdf LAN-Transformer WE-RJ45LAN 10/100/1000 BaseT Wuerth 7499151120, LAN-Transformer WE-RJ45LAN 10/100/1000 BaseT, Dual Ethernet Jack (http://katalog.we-online.de/pbs/datasheet/7499151120.pdf RJ45 LAN Transformer 10/100BaseT (https://katalog.we-online.de/pbs/datasheet/74980111211.pdf 36pin mini SAS connector, http://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=1888174&DocType=Customer+Drawing&DocLang=English Molex LSHM 0.50 mm Razor Beam High-Speed Hermaphroditic Terminal/Socket Strip, LSHM-120-xx.x-x-DV-N, 20 Pins per row (https://www.hirose.com/product/en/products/DF13/DF13-2P-1.25DSA%2850%29/), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-121-02-xxx-DV-A, 21 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-127-02-xxx-DV, 27 Pins per row (https://cdn.harwin.com/pdfs/M20-781.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py DHVQFN, 20 Pin (https://pdfserv.maximintegrated.com/package_dwgs/21-100132.PDF), generated with kicad-footprint-generator ipc_gullwing_generator.py LQFP, 64.

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