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Pass 1/2 of V+ (i.e. 6v) but many external clock sources cycle between 0v and 5v max // gate out // cv out // cv out (j7/j6) // pause cv in (j18/j19 // 1 for manual reset (sw16) - pushbutton // manual reset (sw16 // clock out (j5/j12) // glide manual (rv16 // 1 rotary switch to disable clock (pause). - SPST switch per step, to set output voltages. (10) One potentiometer for internal clock rate. Switches: Momentary-normal-off pushbutton to manually reset. More repo cleanup, adopt github .gitignore file 8976a63dc06fa25beedf8d2553931872c491047e adds README.md file again edits README.md file edits README.md file 666c48f795 adds README.md file again README.md | 4 .../PCB/precadsr_Gerbers/precadsr-job.gbrjob | 2 | 10uF | Polarized capacitor | | D3, D4, D5, D6, D7, D8, D9, D10 | 8 | 1N4148 | 100V 0.15A standard switching diode, DO-35 | | | | | | | | | | | | | Knobs | | C10 | 1 | LED | Light emitting diode, 5 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_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 2512 (6332 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: https://www.vishay.com/docs/20019/rcwe.pdf), generated with kicad-footprint-generator JST PHD vertical JST J2100 horizontal JST EH top entry Molex SPOX Connector System, 53048-1210, 12 Pins per row (https://www.molex.com/pdm_docs/sd/430450201_sd.pdf), generated with kicad-footprint-generator JST VH series connector, 502443-0570 (http://www.molex.com/pdm_docs/sd/5024430270_sd.pdf), generated with kicad-footprint-generator Harwin Male Horizontal Surface Mount Single Row 2.54mm (0.1 inch) Pitch PCB Connector, M20-7811545, 15 Pins per row (http://www.molex.com/pdm_docs/sd/1053141208_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, external M3, height 10, Wuerth electronics 9774080982 (https://katalog.we-online.de/em/datasheet/9774080982.pdf), generated with kicad-footprint-generator Soldered wire connection.

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