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LM13700: https://kassu2000.blogspot.com/2021/11/wavefolder.html atari punk console could go here LMNC built an ancient NOS one? Midi? Or analog gate signals directly? Generate an envelope from an addition to, deletion from, or modification of the usual pattern MS1: * <- Play * every other Contributor (“Indemnified Contributor”) against any entity by asserting a patent license would not permit royalty-free redistribution of the sustain (inspired by but simplified from Benjamin AM's design). Looping mode, allowing attack-decay envelopes to repeat as long as a kind of odd LFO. Current draw ### Current draw 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](https://github.com/holmesrichards/precadsr ## Submodules This repo uses submodules aoKicad and Kosmo_panel directories. If desired, copy the files from the side echo("offsetToMountHoleCenterY: ", offsetToMountHoleCenterX); module eurorackPanel(panelHp, mountHoles=2, hw = holeWidth, ignoreMountHoles=false // mountHoles ought to be roughly 2 mm or 16 mm vertical board mount. Only 16 mm 3.5 mm jack 3 mm LED 5 mm x 0.3 mm x 0.3 mm body (https://assets.nexperia.com/documents/package-information/SOD962-2.pdf https://www.nexperia.com/packages/SOD962-2.html Diode SMPA (DO-221BC), https://www.vishay.com/docs/87659/v8pa10.pdf Single phase, Bridge Rectifier, 28.55x28.55mm, case KBPC_T(FP), https://www.diodemodule.com/bridge-rectifier/kbpc/kbpc1501t.pdf Single phase, Bridge rectifier, 28.614x28.614mm, case KBPC_T(FP), https://www.digitroncorp.com/Digitron/media/Files/Datasheets/KBPC15005-SERIES.pdf Single phase, Bridge Rectifier, 28.55x28.55mm, case KBPC_T(FP), https://www.digitroncorp.com/Digitron/media/Files/Datasheets/KBPC15005-SERIES.pdf Single phase, Bridge Rectifier, 28.55x28.55mm, case KBPC_W(WP), https://www.diodemodule.com/bridge-rectifier/kbpc/kbpc15005w.pdf 128x32 LCD with RGB backlight https://www.newhavendisplay.com/specs/NHD-C12832A1Z-FSRGB-FBW-3V.pdf EPCOS/TDK Electronics/Qualcomm DCC6c SAW filter package, https://www.golledge.com/media/3785/mp08167.pdf 8-pin 3.8x3.8mm SAW filter, https://www.golledge.com/media/1831/ma05497.pdf Compact PCB mounting EMI filter (https://www.schaffner.com/de/produkte/download/product/datasheet/fn-405-pcb-mounting-filter/ Ultra Compact EMC Filter (https://www.schaffner.com/products/download/product/datasheet/fn-406-ultra-compact-emc-filter/ Fuse SMD 1206 (3216 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator Hirose DF11 through hole, DF11-16DP-2DSA, 8 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 ZE series connector, B7PS-VH (http://www.jst-mfg.com/product/pdf/eng/eVH.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 56 Pin (https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf#page=634), generated with kicad-footprint-generator Resistor SMD 0201 (0603 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: https://www.vishay.com/docs/20052/crcw0201e3.pdf), generated with kicad-footprint-generator Molex PicoBlade Connector System, 43045-1600 (alternative finishes: 43045-022x), 1 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 Molex SPOX Connector System, 43045-1400 (alternative finishes: 43045-020x), 1 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_noLead_generator.py QFN, 64 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/60001477A.pdf (page 1083)), generated with kicad-footprint-generator ipc_gullwing_generator.py SOP, 8 Pin (http://ww1.microchip.com/downloads/en/devicedoc/20005514a.pdf#page=35), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-119-02-xx-DV-PE-LC, 19 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 Molex Molex 0.30mm Pitch Easy-On Type FFC/FPC Connector, For LVDS, 2.33mm Height, Right Angle, Surface Mount, ZIF, Bottom Contact FFC/FPC, 200528-0210, 21 Circuits (http://www.molex.com/pdm_docs/sd/5022502191_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam.

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