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Plane created pull request synth_mages/MK_VCO#5 Add jlc constraints DRC; replace order number text Add jlc constraints DRC; replace order number text Compare 19 commits » 2bd01a1ff2 Add schematic, start on PCB sandwich, making some final-ish decisions about connecting to front panel Added schmancy pcb for v2 front panel and Pin 1, vertical PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 6.25u plate Cherry MX keyswitch, 1.75u, plate mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 2.00u vertical PCB mount, https://www.neutrik.com/en/product/nl4md-v-r speakON Chassis Connectors, 4 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, lateral left PCB mount, replaces NLJ2MD-H, https://www.neutrik.com/en/product/nlj2mdxx-h speakON Combo, 2 pole chassis connector, grey D-size flange, self tapping screw holes (A-screw), vertical PCB mount, https://www.neutrik.com/en/product/nc3fbhl1 B Series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, replaces NL4MD-H, NL4MD-H-1, NL4MD-H-3, https://www.neutrik.com/en/product/nl4mdxx-h-3 speakON Chassis Connectors, 4 pole female XLR receptacle, grounding: mating connector shell and front panel, vertical PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc5fbh-b B Series, 3 pole female XLR receptacle, grounding: without ground/shell contact, lateral right PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc5fah-da A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, vertical PCB mount, replaces NL4MD-V-1, https://www.neutrik.com/en/product/nl4mdxx-v-3 speakON Chassis Connectors, 4 pole female XLR receptacle, grounding: without ground/shell contact, horizontal PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3fav-0 A Series, 3 pole female XLR receptacle, grounding: mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nl2md-v speakON Chassis Connectors, 4 pole chassis connector, black D-size flange, self tapping screw holes (A-screw), vertical PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 2.00u, http://matias.ca/switches/ Matias ALPS keyswitch 6.25u PCB Cherry MX keyswitch ISO enter 4-bit rotary coded switch, gull wing, https://www.nidec-copal-electronics.com/e/catalog/switch/sh-7000.pdf 4-bit rotary coded switch, J-hook, https://www.nidec-copal-electronics.com/e/catalog/switch/sh-7000.pdf 4-bit rotary coded switch, gull wing, https://www.nidec-copal-electronics.com/e/catalog/switch/sh-7000.pdf 4-bit rotary coded switch, gull wing, Gray code, https://www.nidec-copal-electronics.com/e/catalog/switch/sh-7000.pdf SMD SMT crystal Abracon ABM10 Abracon Miniature Ceramic Smd Crystal ABM3 http://www.abracon.com/Resonators/abm3.pdf, 5.0x3.2mm^2 package SMD Crystal Oscillator Seiko Epson MC-505 http://media.digikey.com/pdf/Data%20Sheets/Epson%20PDFs/MA-505,506.pdf, hand-soldering, 11.7x4.0mm^2 package SMD Crystal SERIES SMD2520/2 http://www.icbase.com/File/PDF/HKC/HKC00061008.pdf, 5.0x3.2mm^2 package SMD Crystal Oscillator IDT https://www.idt.com/document/dst/xu-family-datasheet#page=15, 5.0x3.2mm SMD Crystal EuroQuartz MQ2 series http://cdn-reichelt.de/documents/datenblatt/B400/MQ.pdf, 7.0x5.0mm^2 package SMD SMT mems oscillator Analog BGA-49, 6.25x6.25mm, 49 Ball, 7x7 Layout, 0.4mm Pitch, https://www.st.com/resource/en/datasheet/stm32g071eb.pdf ST WLCSP-36, ST die ID 456, 1.94x2.4mm, 20 Ball, 4x5 Layout, 0.4mm Pitch, https://assets.nexperia.com/documents/data-sheet/PCMFXUSB3S_SER.pdf ST WLCSP-18, ST Die ID 466, 1.86x2.14mm, 18 Ball, X-staggered 7x5 Layout.

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