synth_tools

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Be deemed effective as of the bad trace. Single-step button (SW13) isn't producing a high enough voltage to trigger steps. Replace C10 with 100K resistor, and bridge out R44 with a capacitor / resistor pair, see Fireball's hard sync to schematic, laid out PCB with exploratory 8hp layout b1fcba1e78 Bring in diylc and openscad design Add Kick as separate sheet ## Photos ### Photos ## Documentation: ### Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: make power connection traces larger; MK uses a ground plane Change transistor footprint to inline_wide, fix DRC ground plane Updates from real TL0x4, fix pots being backwards, tighten up schematic, fit letter instead of latch, https://www.neutrik.com/en/product/nc3fahr1-0 A Series, 3 pole female XLR receptacle, grounding: without ground / shell contact, vertical PCB mount, https://www.neutrik.com/en/product/nc4mamh-ph A Series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack and switching ground contact, vertical PCB mount, https://www.neutrik.com/en/product/nc3fbv1 B Series, 3 pole female receptacle, grounding: without ground/shell contact, horizontal PCB mount, replaces NL4MD-H-2, https://www.neutrik.com/en/product/nl4mdxx-h-2 speakON Chassis Connectors, 4 pole chassis connector, black D-size flange, self tapping screw holes (A-screw), horizontal PCB mount, additional ground contacts, https://www.neutrik.com/en/product/nc3mbh-e B Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, replaces NL4MD-V, NL4MD-V-R, NL4MD-V-S, https://www.neutrik.com/en/product/nl4mdxx-v speakON Chassis Connectors, 4 pole female XLR receptacle, grounding: mating connector shell to pin1 and front panel, horizontal PCB mount, replaces NL4MD-V-2, https://www.neutrik.com/en/product/nl4mdxx-v-2 speakON Chassis Connectors, 4 pole chassis connector, grey D-size flange, countersunk thru holes, horizontal PCB, https://www.neutrik.com/en/product/nl2md-h speakON Chassis Connectors, 8 pole chassis connector, black D-size flange, switchable version of package Relay DPDT Finder 40.41 Pitch 3.5mm Relay DPDT Schrack-RT2 RM5mm 16A 250V AC Relay Relay SPST Schrack-RP-II/1 RM3.5mm 8A 250V AC Relay Finder 32.21-x000 Relay, DPDT, https://gfinder.findernet.com/public/attachments/30/EN/S30EN.pdf AXICOM IM-Series Relays, DPDR, Pitch 5.08 AXICOM IM-Series Relays, DPDR, Pitch 3.2mm, http://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Specification+Or+Standard%7F108-98001%7FV%7Fpdf%7FEnglish%7FENG_SS_108-98001_V_IM_0614_v1.pdf%7F4-1462039-1 AXICOM IM-Series Relays, DPDR, Pitch 3.2mm, http://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Specification+Or+Standard%7F108-98001%7FV%7Fpdf%7FEnglish%7FENG_SS_108-98001_V_IM_0614_v1.pdf%7F4-1462039-1 AXICOM IM-Series Relay DPDR Pitch 3.2mm AXICOM IM-Series Relay DPDT Finder 40.51 Pitch 5mm relay dpdt fujitsu tht Kemet signal relay, DPDT, double coil latching, https://content.kemet.com/datasheets/KEM_R7002_EC2_EE2.pdf Kemet EC2 signal relay DPDT double dual coil latching through hole M3, height 3.1, Wuerth electronics 9774080982 (https://katalog.we-online.de/em/datasheet/9774080982.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-123-02-xxx-DV, 23 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 StandardBox.py) (http://www.altechcorp.com/PDFS/PCBMETRC.PDF Altech AK300 serie.

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