synth_tools

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-0.0431708 -0.995038 facet normal -0.772847 0.634593 -1.35691e-05 facet normal 0.466998 -0.311849 -0.827443 vertex -2.92547 1.22714 18.7502 facet normal -0.156322 -0.0123067 0.98763 facet normal -9.996062e-01 -2.806048e-02 -2.699214e-04 facet normal -0.938729 -0.260332 0.225866 facet normal -0.462515 -0.449659 0.764125 facet normal -0.787432 -0.189054 0.586694 vertex 6.80334 0.380651 19.8418 vertex 4.72511 2.05265 19.4867 facet normal 0.0331891 0.780252 0.624584 facet normal 0.338906 0.181168 0.923212 vertex -4.97083 7.49889 3.82299 facet normal 0.989357 0.0973162 0.108179 facet normal -0.0818475 -0.0808324 0.993362 facet normal 6.301707e-01 -2.864772e-03 -7.764513e-01 facet normal -1.546389e-15 5.482183e-16 -1.000000e+00 facet normal -0.995184 0.0980238 0 vertex -1.38893 -2.07867 6.5 facet normal 0.990436 -0.097579 0.0975395 facet normal 0.525867 0.615696 0.586841 vertex 2.8982 -1.96295 19.9 facet normal -2.880153e-004 -5.040268e-004 -9.999998e-001 ## Documentation: ### Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules Envelope/Envelope.kicad_pcb | 2 | 10k | Resistor | | Q1, Q2, Q3, Q4, Q5 | 5 If we expect or plan on developing modules which use the 4 pins RGB RGBLED LED, Round, FlatTop, diameter 3.0mm, hole diameter 1.4mm, outer diameter 2.3mm, size source Multi-Contact FLEXI-E 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 JST VH PBT series connector, 78171-0005 (http://www.molex.com/pdm_docs/sd/781710002_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-146-02-xxx-DV-BE-A, 46 Pins per row, Mounting: (http://www.molex.com/pdm_docs/sd/039281043_sd.pdf), generated with kicad-footprint-generator Hirose DF12E SMD, DF12E3.0-30DP-0.5V, 30 Pins per row (http://www.molex.com/pdm_docs/sd/530470610_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-147-02-xxx-DV-BE-LC, 47 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, 20 Pin (https://sensirion.com/media/documents/C4B87CE6/627C2DCD/CD_DS_SCD40_SCD41_Datasheet_D1.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 16 Pin (http://www.ti.com/lit/ds/symlink/cdclvp1102.pdf#page=28), generated with kicad-footprint-generator Molex Pico-Clasp series connector, 202656-0021 (http://www.molex.com/pdm_docs/sd/2026560021_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-146-02-xxx-DV-LC, 46 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.

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