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BackEc67859b1c2779470b99801ce69f8850b83fa3e1 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: front, back How to use 7.5mm holes, not 6mm alpha pots - 9.8mm, +2mm - rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? SR2511 series are 11.43? Maybe more? Distance between pcb and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc3mbv-0 B Series, 5 pole female receptacle, grounding: without ground/shell contact, horizontal PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 6.25u PCB Cherry MX keyswitch, 1.50u, plate mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 2.75u, http://matias.ca/switches/ Matias ALPS keyswitch 2.00u vertical plate Cherry MX keyswitch 2.25u plate Cherry MX keyswitch, 1.75u, http://matias.ca/switches/ Matias ALPS keyswitch ISO enter PCB Cherry MX keyswitch 1.75u plate Cherry MX keyswitch 2.75u plate Cherry MX keyswitch 1.00u PCB Cherry MX keyswitch, 1.75u, plate mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch ISO enter plate Matias/ALPS keyswitch, 2.00u, http://matias.ca/switches/ Matias ALPS keyswitch 6.25u plate Cherry MX keyswitch, 1.75u, plate mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 6.25u, PCB mount, https://www.neutrik.com/en/product/ncj9fi-h-0 Combo I series, 3 pole female XLR receptacle, grounding: ground contact to mating connector shell and front panel, horizontal PCB mount, retention spring, https://www.neutrik.com/en/product/ncj6fa-h-0 neutrik jack combo i Combo I series, 3 pole female XLR receptacle, grounding: separate ground contact connected to trigger, gate jack is normalized\nto +12 V, and sustain voltage is taken from \npot pin 1 x 1 mm, 734-141 , 11 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator Soldered wire connection, for 5 times 0.25 mm² wires, basic insulation, conductor diameter 2mm, 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 2.5 mm² wire, basic insulation, conductor diameter 2.4mm, outer diameter 1mm, size source Multi-Contact FLEXI-xV 0.75 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Mounting Hardware, inside through hole 2.25mm, height 1.5, Wuerth electronics 9771110360 (https://katalog.we-online.com/em/datasheet/9771110360.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 5 times 2.5 mm² wires, basic insulation, conductor diameter 2.4mm, see http://www.4uconnector.com/online/object/4udrawing/10686.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00073, 8 pins, pitch 7.5mm, size 69.8x14mm^2, drill diamater 1.3mm, pad diameter 2.1mm, see http://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F282834%7FC1%7Fpdf%7FEnglish%7FENG_CD_282834_C1.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00010, 11 pins, pitch 5mm, size 20x8.3mm^2, drill diamater 1.3mm, pad diameter 2.5mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00012_DB_EN.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block TE 1-282834-0 pitch 2.54mm size 23.32x6.5mm^2 drill 1.1mm pad 2.1mm terminal block RND 205-00244, 5 pins.
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