synth_tools

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-0.0980186 -0.995113 -0.0119404 facet normal 0.00743445 -0.0992344 -0.995036 vertex 8.08754 -5.87293 0.0486796 facet normal -5.30788e-07 -0.115828 -0.993269 facet normal -0.223046 -0.417288 0.880977 vertex 7.69994 -3.18942 5.74921 facet normal -0.590357 -0.804069 0.0703596 facet normal -0.979662 0.187916 -0.0703586 vertex 7.43617 -6.66225 0.0393247 facet normal -0.247465 0.963798 0.0992709 facet normal -0.608839 0.18469 0.771495 vertex -8.39715 -1.6703 5.56266 facet normal 0.382438 -0.0376556 0.923213 facet normal 6.013036e-01 7.990207e-01 -0.000000e+00 facet normal -0.421012 0.192238 0.88645 facet normal 0.595017 0.488315 -0.63836 vertex -2.2961 5.54328 6.59 facet normal -0.115828 -5.30788e-07 -0.993269 facet normal 0.097633 -0.989318 0.108249 facet normal -2.880153e-004 -5.040268e-004 -9.999998e-001 ## Documentation: ### Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md ## GitHub repository https://github.com/holmesrichards/precadsr Submodules Latest commits for branch traces_before_hard_sync traces added but maybe won't keep traces added but maybe won't keep traces added but maybe won't keep From 52a9fa26f6a6a8c4f7e3fc085f8b6ccdd7541277 Mon Sep 17 00:00:00 2001 Subject: [PATCH 05/18] Added input resistor for sync; placed everything on PCB Added input resistor for sync; placed everything on PCB choices could also go to same bus 2x Pushbutton switches, all 2pin: reset Pots, 3-pin: Glide attenuator (B10k) (join two left pins from below Pots, 2-pin: Glide, manual (A100k) (two left pins, from below) Pots, 2-pin: - Glide, manual (A100k) (two left pins, from below Clock POT is the two clockwise-most pins, looking from below. Clock rate goes down when resistance goes up, opposite to expectation. Schematic fixes: - C1 is too small for a single 1 mm² wires, basic insulation, conductor diameter 1.4mm, 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 Molex Molex 1.00mm Pitch Easy-On BackFlip, Right-Angle, Bottom Contact Style, 24 Circuits (https://www.molex.com/pdm_docs/sd/5022312400_sd.pdf Molex 0.50mm Pitch Easy-On BackFlip, Right-Angle, Bottom Contact FFC/FPC, 200528-0110, 11 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ103130.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py TQFN, 24 Pin (https://www.jedec.org/standards-documents/docs/mo-142-d variation BD), generated with kicad-footprint-generator JST ZE series connector, BM16B-ZESS-TBT (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py Analog LFCSP, 16 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/16L_UQFN_4x4x0_5mm_JQ_C04257A.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py MSOP, 8 Pin (https://www.jedec.org/sites/default/files/docs/Mo-178c.PDF variant AA), generated with kicad-footprint-generator ipc_gullwing_generator.py LQFP, 176 Pin (http://www.microsemi.com/index.php?option=com_docman&task=doc_download&gid=131095), generated with kicad-footprint-generator connector wire 2sqmm double-strain-relief Soldered wire connection with feed through strain relief, for 5 times 2.5 mm² wires, reinforced insulation, conductor diameter 1.25mm, outer diameter 4.4mm, size source Multi-Contact FLEXI-E/HK 0.127 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius.

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