synth_tools

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-0.544079 0.808204 facet normal -0.0221424 -0.0970097 -0.995037 vertex -9.67267 2.88811 0.0491304 facet normal 7.859011e-01 2.680818e-03 6.183464e-01 facet normal -8.051217e-001 5.931096e-001 0.000000e+000 vertex -1.481438e+000 5.423960e+000 2.496000e+001 vertex 5.678241e+000 1.176720e-002 1.747200e+001 facet normal 2.571775e-01 1.650539e-03 9.663628e-01 vertex -1.058099e+02 9.725134e+01 1.146144e+01 vertex -1.056995e+02 9.695134e+01 1.143256e+01 facet normal -0.0285817 -0.29018 0.956545 facet normal 7.021871e-01 -7.119924e-01 3.257290e-04 vertex -9.247799e+01 9.364177e+01 4.255000e+01 facet normal -0.42307 0.690389 0.586835 vertex 2.96974 -1.96858 19.8418 vertex 3.64807 -2.3142 19.8418 facet normal -8.332533e-02 9.965224e-01 2.477165e-06 vertex -9.778416e+01 1.060829e+02 4.255000e+01 vertex -9.155362e+01 1.031130e+02 4.255000e+01 facet normal 0.45399 0.891007 0 vertex 1.38893 -2.07867 6.5 facet normal 0.241719 -0.796857 0.553706 facet normal 9.901788e-01 1.398071e-01 -0.000000e+00 facet normal -2.957014e-01 6.813501e-03 9.552561e-01 vertex -1.053986e+02 9.665134e+01 9.033265e+00 vertex -1.054559e+02 9.695134e+01 9.013398e+00 vertex -1.055918e+02 9.725134e+01 8.973478e+00 facet normal 0.6852 0.343403 0.64232 facet normal -0.0908696 0.0438181 -0.994898 facet normal 0.77301 0.634394 1.15672e-06 facet normal 0.325732 -0.734388 0.595461 facet normal -2.104691e-001 -3.664425e-001 9.063237e-001 vertex 4.372466e+000 3.435654e+000 2.491820e+001 facet normal 0.33413 0.625115 0.7054 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) 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: barely enough to attach knob Schematics/SynthMages.pretty/Alpha Rotary 12.kicad_mod Normal file View File Schematics/Enlarge/Enlarge.kicad_prl Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/DIP-14_W7.62mm_Socket_LongPads.kicad_mod Normal file View File Images/PXL_20210831_000949090.jpg Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/TO-92_Inline_Wide.kicad_mod Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/Rotary_Switch.kicad_mod Normal file Unescape Envelope/Envelope.kicad_pro Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/MountingHole_3.2mm_M3.kicad_mod Normal file Unescape Hardware/PCB/precadsr/Kosmo_panel.pretty/Kosmo_Panel_Dual_Mounting_Holes_NPTH.kicad_mod Normal file Unescape * Bourns PTL series, such as: Update README.md 3e868f13c4dc33c20ca33a0cc8f51c9d63e1c081 updated C14 footprint, traces, groundplane 82024e96c9b263a83b6caf715e8607e9cf1b7d77 updated README.md 2cb8e5eaf679e30139948d8744800b04487466fc updated C5 footprint & tracing; schematic annotation 6523065365 updates the potentiometer pads and trace routing to de-bodge the pots. 6523065365c12ceda76dbda25c5041018c73eb63 's notes on updating the fireball for rev 2 beta d89db83df13552281151487e636d3175f5aa0e7b updates to rev 2 beta by adding +5V, and both trigger/gate and CV routing updates led holes to PCB edge 7.4799999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 15-pin D-Sub connector, straight/vertical, THT-mount, female, pitch 2.77x2.84mm, pin-PCB-offset 7.699999999999999mm, distance of mounting holes 63.5mm, distance of mounting holes 33.3mm, distance of mounting holes to PCB edge 9.12mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 62-pin D-Sub connector, straight/vertical, THT-mount, female, pitch 2.77x2.84mm, pin-PCB-offset 7.699999999999999mm, distance of mounting holes to PCB edge 11.32mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 15-pin D-Sub connector, solder-cups edge-mounted, female, x-pin-pitch 2.77mm, distance of mounting holes to PCB edge 8.2mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 9-pin D-Sub connector horizontal angled 90deg THT female pitch 2.29x1.98mm pin-PCB-offset 9.4mm 37-pin D-Sub connector edge mount solder cup male x-pin-pitch 2.77mm mounting holes 63.5mm, distance of mounting holes distance 33.3mm 15-pin D-Sub connector.

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