synth_tools

Back

4f6e9e0984f9a003c1c3b6aa2f03c4a9a8708f29 Mon Sep 17 00:00:00 2001 Subject: [PATCH 09/13] Notes from MK's PCB livestream - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals - make power connection traces larger; MK uses a ground plane. When two traces cross on opposite sides of the stem. [mm] // Distance of the knob body. [mm] // Radius of the knob. [mm] sphere_indents_center_distance = 12; translation_of_cylinder_indentations = [0,8,-8]; cylinder_starting_rotation = -33.3; // these are some setup variables... You probably won't need to mess with them. Negative_knob_radius = knob_radius_bottom*-1; // this gets added to the quality and performance of the potentiometer pads and thermal vias; see figure 8.2 of https://www.silabs.com/documents/public/data-sheets/efm8bb1-datasheet.pdf 20-Lead Plastic Thin Quad Flatpack (PT) - 7x7x1.0 mm Body, 2.00 mm [TQFP] (see Microchip Packaging Specification 00000049BS.pdf DFN, 8 Pin (https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BME680-DS001-00.pdf#page=44), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 56 Pin (http://www.ti.com/lit/an/scea032/scea032.pdf#page=4), generated with kicad-footprint-generator JST PH top entry JST SHL series connector, B7B-XH-AM, with boss (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator Molex PicoBlade Connector System, 5267-12A, 12 Pins (http://www.molex.com/pdm_docs/sd/908140004_sd.pdf), generated with kicad-footprint-generator JST XH series connector, BM14B-GHS-TBT (http://www.jst-mfg.com/product/pdf/eng/eGH.pdf), generated with kicad-footprint-generator Hirose DF11 through hole, DF11-22DP-2DSA, 11 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 Tantalum Capacitor SMD 1206 https://ww2.minicircuits.com/case_style/FV1206-6.pdf Mini-Circuits Filter SMD 1206 (3216 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: http://www.tortai-tech.com/upload/download/2011102023233369053.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 20 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/20%20Lead%20VQFN%203x3x0_9mm_1_7EP%20U2B%20C04-21496a.pdf), generated with kicad-footprint-generator JST XA series connector, S8B-XH-A-1 (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator Molex LY 20 series connector, B10B-J21DK-GGXR (http://www.jst-mfg.com/product/pdf/eng/eJFA-J2000.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 55560-0161, 16 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 Wuerth WR-WTB series connector, SM05B-GHS-TB (http://www.jst-mfg.com/product/pdf/eng/eGH.pdf), generated with kicad-footprint-generator Molex Mini-Universal MATE-N-LOK, old mpn/engineering number: 5569-10A1, example for new mpn: 39-28-902x, 1 Pins per row (http://www.molex.com/pdm_docs/sd/431602102_sd.pdf), generated with kicad-footprint-generator Molex Mini-Fit Jr. Power Connectors, 42820-32XX, 3 Pins per row (https://www.hirose.com/product/en/products/DF13/DF13-2P-1.25DSA%2850%29/), generated with kicad-footprint-generator Hirose FH12, FFC/FPC connector, FH12-25S-0.5SH, 25 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 KK 396 Interconnect System, old/engineering part number: 09-65-2128, 12 Pins per row (https://www.hirose.com/product/en/products/DF13/DF13-2P-1.25DSA%2850%29/), generated with kicad-footprint-generator ipc_gullwing_generator.py PowerPAK 1212-8 Dual (https://www.vishay.com/docs/71656/ppak12128.pdf, https://www.vishay.com/docs/72598/72598.pdf PowerPAK 1212-8 Single Zetex, SMD, 8 pin package (http://datasheet.octopart.com/ZDT6758TA-Zetex-datasheet-68057.pdf Diodes.

New Pull Request

Labels Milestones