synth_tools

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2.54mm (0.1 inch) Pitch PCB Connector, M20-89016xx, 16 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 TQFN, 24 Pin (http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/QFN_20_05-08-1742.pdf), generated with kicad-footprint-generator Molex Picoflex Ribbon-Cable Connectors, 90814-0022, 22 Pins (http://www.molex.com/pdm_docs/sd/5024301410_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py VQFN, 28 Pin (http://ww1.microchip.com/downloads/en/PackagingSpec/00000049BQ.pdf#page=280), generated with kicad-footprint-generator connector Molex Pico-EZmate side entry boss JST XA series connector, B05B-XASK-1 (http://www.jst-mfg.com/product/pdf/eng/eXA1.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502430-4410, 44 Pins (http://www.molex.com/pdm_docs/sd/5024301410_sd.pdf), generated with kicad-footprint-generator JST XH series connector, S5B-PH-K (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator Molex 734 Male header (for PCBs); Angled solder pin 1 x 1 mm, 734-172 , 12 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 Miniature Crystal Clock Oscillator TXCO Fordahl DFA S3-KS/LS/US, http://www.iqdfrequencyproducts.com/products/details/iqxo-70-11-30.pdf, hand-soldering, 5.0x3.2mm^2 package Miniature Crystal Clock Oscillator IQXO-70, http://www.iqdfrequencyproducts.com/products/details/iqxo-70-11-30.pdf, 7.5x5.0mm^2 package IQD Crystal Clock Oscillator EuroQuartz XO53 series, http://cdn-reichelt.de/documents/datenblatt/B400/XO53.pdf, hand-soldering, 5.0x3.2mm^2 package SMD Resomator/Filter Murata DSN6, http://cdn-reichelt.de/documents/datenblatt/B400/DSN6NC51H.pdf, length*width=7.0x2.5mm^2 package, package length=10.0mm, package width=5.0mm, 3 pins LED, , diameter 1.8mm size 1.8x2.4mm^2 z-position of LED center 3.0mm 2 pins LED diameter 3.0mm z-position of LED center 3.0mm, 2 pins LED, diameter 5.0mm, 2 pins, pitch 7.5mm, size 47.3x14mm^2, drill diamater 1.3mm, pad diameter 2.6mm, see http://www.farnell.com/datasheets/100425.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00026, 5 pins, pitch 10mm, size 35.8x8.2mm^2, drill diamater 1.3mm, pad diameter 2.5mm, see http://www.metz-connect.com/de/system/files/productfiles/Datenblatt_310551_RT015xxHDWU_OFF-022723S.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block connector http://www.phoenixcontact.com/us/products/1814731/pdf PhoenixContact PTSM0.5 7 2.5mm vertical SMD spring clamp terminal block RND 205-00014, 4 pins, single row Through hole socket strip THT 1x33 2.54mm single row Through hole angled socket strip, 2x10, 2.00mm pitch, 4.2mm pin length, double rows Surface mounted pin header THT 2x13 2.54mm double row surface-mounted straight pin header, 2x33, 2.54mm pitch, https://www.raspberrypi.org/documentation/hardware/raspberrypi/mechanical/rpi_MECH_Zero_1p2.pdf raspberry pi running a DAW with a capacitor / resistor pair, see Fireball's hard sync to schematic, laid out PCB with exploratory 8hp layout 77735c00cc3285131373f5cfc61b82eab5963d12 Update README.md * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf * [How to use](Docs/use.md 96f746fa2d Final tweaks, version submitted to JLCPCB on 20240124 63579cf959 Add notes about UX component wiring Feed of " /drumkit" Add circuit blocks to kick drum schematic Add CV in controls the clock From 96e9dd144019309f3e33f1daf66ec448c4e2d994.

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