synth_tools

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5.74517 -4.54413 7.2866 facet normal 9.659144e-001 4.301033e-003 2.588261e-001 facet normal -0.03481 0.996914 0.0703601 vertex -6.36501 7.83508 0.0491304 facet normal -2.880153e-004 -5.040268e-004 -9.999998e-001 ## 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 file Images/precadsr-panel-holes.png 972d8b1e07 adds front panel components and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice and this is good practice, but ho-dang what a mess More traces and vias, and net links Schematics/Unseen Servant/fp-info-cache glide in (sleeve and normal both GND 6x Sockets, 2pin: Gate out (could normal to TP10, optional) - Casc out 2x Toggle Switches, 3pin: - CV Range - Once/Cont 11 Toggle Switches, 2pin: all step switches (all go to same bus run/stop 2x Pushbutton switches, all 2pin: - step - reset Pots, 3-pin: - Glide attenuator (B10k) (join two left pins from below Clock rate (B100k) (not sure yet which 2 pins LED, diameter 5.0mm 4 pins (http://www.qingpu-electronics.com/en/products/WQP-PJ320E-177.html PJ31060-I 6pin SMD 3.5mm headphones jack (http://www.china-bsun.com/Product48/1577.html headphones jack (http://www.china-bsun.com/Product48/1577.html headphones jack (http://www.china-bsun.com/Product48/1577.html headphones jack plug stereo 3.5mm PJ31060-I PJ31060 TRS 3.5mm, horizontal, through-hole, with switch, vertical shaft, mounting holes distance 33.3mm 15-pin D-Sub connector, straight/vertical, THT-mount, male, pitch 2.77x2.84mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 26-pin D-Sub connector horizontal angled 90deg THT male pitch 2.29x1.98mm mounting holes to PCB edge 8.2mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 15-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.84mm, pin-PCB-offset 7.699999999999999mm, distance of mounting holes to PCB edge 8.2mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 15-pin D-Sub connector straight vertical THT female pitch 2.77x2.84mm pin-PCB-offset 14.56mm mounting-holes-distance 33.3mm mounting-hole-offset 33.3mm 15-pin D-Sub connector horizontal angled 90deg THT female pitch 2.77x2.84mm pin-PCB-offset 7.699999999999999mm mounting-holes-distance 63.5mm mounting-hole-offset 63.5mm 37-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.77x2.54mm.

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