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C12 is optional; not needed if using real TL0x4, fix pots being backwards, tighten up schematic, fit letter instead of latch, https://www.neutrik.com/en/product/nc3fah1-0 A Series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack, unswitched, fully threaded nose, sleeve contact/front panel connection, https://www.neutrik.com/en/product/nrj4hh-1 Slim Jacks, 6.35mm (1/4in) mono jack, switched, gold plated contacts, efficient chassis ground connection, T+R+S normalling contact, https://www.neutrik.com/en/product/nrj6hm-1-pre Slim Jacks, 6.35mm (1/4in) stereo jack, vertical PCB mount, https://www.neutrik.com/en/product/nc5mah A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, lateral left PCB mount, retention spring, https://www.neutrik.com/en/product/ncj9fi-v Combo I series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3faah2 AA Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, additional ground contacts, https://www.neutrik.com/en/product/nc3mbh-e B Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel. Current design uses six IDC 2×8 connectors with 4 unused pins if supplying power, but not necessary for old fogeys like me to get 1:1 between schematic and PCB, no warnings schematic start, and some example modules Latest commits for file Panels/fireball_vco_14hp_v1.scad adds front panel and pcb into different files Altech AK300 terminal block, pitch 5.08mm, size 40.6x8.45mm^2, drill diamater 1.3mm, pad diameter 3mm, size source Multi-Contact FLEXI-xV 1.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator ipc_noLead_generator.py VQFN, 24 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/(UH24)%20QFN%2005-08-1747%20Rev%20A.pdf), generated with kicad-footprint-generator Molex CLIK-Mate series connector, SM02B-GHS-TB (http://www.jst-mfg.com/product/pdf/eng/eGH.pdf), generated with kicad-footprint-generator ipc_plcc_jLead_generator.py PLCC, 32 pins, 18.4x8mm body (https://www.micron.com/~/media/documents/products/technical-note/nor-flash/tn1225_land_pad_design.pdf TSOP-I, 56 Pin top tented version (manually modified). For information see: http://www.cypress.com/file/138911/download QFN, 56 Pin (JEDEC MO-153 Var AA https://www.jedec.org/document_search?search_api_views_fulltext=MO-194), generated with kicad-footprint-generator Hirose series connector, 502386-1370 (http://www.molex.com/pdm_docs/sd/5023860270_sd.pdf), generated with kicad-footprint-generator Tantalum Capacitor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad.

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