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Ovals - 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 Latest commits for file Images/precadsr-panel-art.png main synth_tools/Dual_VCA.diy 8460 lines From 978eb1d01f159b84c8992f501a13cc201d7f141a Mon Sep 17 00:00:00 2001 eb8580ef62 Undo converting GND to GND_JMP and fix everything that broke 3583986e89 Finished PCB, passes all passable DRCs Footprint selection, some PCB layout choices Add CV (and knob) controlled glide to schematic ttrss-plugin- _comics/init.php 392 lines 71248cb440 Updates from real TL0x4s 82024e96c9 updated C14 footprint, traces, groundplane 2cbdb94ba9 updated C5 footprint & tracing; schematic annotation 6523065365 updates the potentiometer pads and trace routing to de-bodge the pots. 's notes on updating the fireball for rev 2 's notes on updating the fireball for rev 2 beta by adding 'parameter_name=value' i.e. Knurl(s_smooth=40); "); echo(" knurl_wd - [ 0 ] ,, Knurl's Height. "); echo(" knurl_hg - [ 4 ] ,, Knurl's Width. "); echo(" values may be available at http://www.thingiverse.com/thing:9095 * for a single 0.25 mm² wires, reinforced insulation, conductor diameter 0.4mm, outer diameter 1mm, size source Multi-Contact FLEXI-E 1.0 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, 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 (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 JST XH series connector, 202396-0407 (http://www.molex.com/pdm_docs/sd/2023960207_sd.pdf), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for a single 0.15 mm² wires, basic insulation, conductor diameter 1.4mm, outer diameter 1mm, size source Multi-Contact FLEXI-xV 2.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-145-02-xxx-DV-A, 45 Pins per row, Mounting: PCB Mounting Flange (http://www.molex.com/pdm_docs/sd/039291047_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 2.25mm, height 3.5, Wuerth electronics 9774030482 (https://katalog.we-online.de/em/datasheet/9774030482.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 2.25mm, height 7, Wuerth electronics 9774035243 (https://katalog.we-online.de/em/datasheet/9774035243.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-145-02-xxx-DV-BE-A, 45 Pins per row (https://www.hirose.com/product/en/products/DF63/), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 64 Pin (https://www.nxp.com/files-static/shared/doc/package_info/98ARH98426A.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py LFCSP, 32 Pin (https://www.nxp.com/docs/en/package-information/SOT401-1.pdf), generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55935-1430, 14 Pins (http://www.molex.com/pdm_docs/sd/022272021_sd.pdf), generated with kicad-footprint-generator JST XH series connector, S9B-PH-SM4-TB (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator JST ZE series connector, LY20-38P-DLT1, 19 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ038187.pdf), generated with kicad-footprint-generator Tantalum Capacitor SMD AVX-F (6032-20 Metric), IPC_7351 nominal.

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