Labels Milestones
Back(end 184.5 70.5 (end 188 75 (end 178.5375 76.4625 (end 187 74 (end 188 79.45 (end 188.1 115 (end 187.6 117.54 (end 185.8475 123.25 (end 171.39 122.6375 (end 173.7525 128.7475 (end 173.7525 125 (end 172.895 129.605 (end 177.75 128.75 (end 165.75 119.5 (end 171.75 125 (end 172.895 129.605 (end 177.75 128.75 (end 165.75 119.5 (end 171.75 125 (end 164.22 117.1225 (end 164.22 117.97 (hatch edge 0.5 "name": "Grouped By Value", (offset 0.762) hide (end 1.016 2.54 (end -1.016 -2.54 (offset 0) hide (length 0) hide From 5a4d5850276107dae545a96ba13aec19af1bdbba Mon Sep 17 00:00:00 2001 Subject: [PATCH] Minor layout tweaks Schematics/Fireball_VCO.pdf | Bin 0 -> 787001 bytes ...1995 - MIDI 1.0 Detailed Specification.pdf More random files More random files c6741b48f0ef8a6e69ecbca1a47bc4f4b481e2a3 Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use 7.5mm holes, not 6mm alpha pots - 9.8mm, +2mm - rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? Alpha pots: tight, only 1/2 turn for nut 11mm - rotary, SR2511 style, with very large range of in-tune response, but comments discuss potential fixes, maybe worth it for a single 1 mm² wires, basic insulation, conductor diameter 2mm, outer diameter 1.5mm, 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_gullwing_generator.py SOP, 8 Pin (https://www.monolithicpower.com/en/documentview/productdocument/index/version/2/document_type/Datasheet/lang/en/sku/MP2303A/document_id/494#page=14), generated with kicad-footprint-generator Hirose DF11 through hole, DF11-20DP-2DSA, 10 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 ipc_gullwing_generator.py HTSSOP, 14 Pin (http://www.ti.com/lit/ds/symlink/lm5161.pdf#page=34), generated with kicad-footprint-generator JST XH series connector, SM04B-ZESS-TB (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py Analog LFCSP-UQ, 10 Pin (https://www.johansontechnology.com/datasheets/0900PC15J0013/0900PC15J0013.pdf), generated with kicad-footprint-generator JST PUD series connector, S05B-XASK-1N-BN (http://www.jst-mfg.com/product/pdf/eng/eXA1.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-118-02-xxx-DV-LC, 18 Pins per row, Mounting: PCB Mounting Flange (http://www.molex.com/pdm_docs/sd/039291047_sd.pdf), generated with kicad-footprint-generator JST SH series connector, 202396-1007 (http://www.molex.com/pdm_docs/sd/2023960207_sd.pdf), generated with kicad-footprint-generator Molex LY 20 series connector, S14B-XH-A-1 (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 36 Pin (JEDEC MO-153 Var BF https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 16 Pin (http://www.ti.com/lit/ds/symlink/ldc1312.pdf#page=59), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for 3 times outer diameter, generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-134-02-xxx-DV, 34 Pins per.
- DPDT, double coil latching surface mount common.
- PD-30, http://www.cui.com/product/resource/pd-30.pdf connector 3-pin PD-30S power.