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PCB, Hybrid, https://www.amphenolcanada.com/StockAvailabilityPrice.aspx?From=&PartNum=12401548E4%7e2A USB C Type-C USB3 receptacle SMD USB 2.0 Type C (https://www.bulgin.com/products/pub/media/bulgin/data/Battery_holders.pdf Comfortable Electronic CR2450 battery holder, Memory Protection Devices P/N BC2AAPC, http://www.memoryprotectiondevices.com/datasheets/BC2AAPC-datasheet.pdf 2xAA cell battery holder, Keystone P/N 2468, http://www.keyelco.com/product-pdf.cfm?p=1033 AAA battery cell holder Keystone 2xAAA cell battery holder, http://www.comf.com.tw/ProductDetail.asp?no=148 Keystone type 104 battery holder Keystone type 2998 battery holder with leaf spring, Keystone, https://ken.keyeuro.eu/cat/590.pdf AA battery cell holder Keystone type 1058 coin cell vertical Panasonic CR-2450/VAN battery, https://industrial.panasonic.com/cdbs/www-data/pdf2/AAA4000/AAA4000D492.PDF battery CR-2450 coin cell retainer Keystone 3034 SMD battery holder Keystone SMT (Auto-In/Ultra-Low) Holder for 2032 Cell, 33.2 x 23.9mm, 2mm height above PCB, https://www.keyelco.com/userAssets/file/M65p4.pdf Keystone type 3001 coin cell vertical Panasonic CR-1632-V1AN battery, https://industrial.panasonic.com/cdbs/www-data/pdf2/AAA4000/AAA4000D464.PDF battery CR-1632 coin cell vertical Cherry MX keyswitch, 2.00u, vertical, PCB mount, https://www.neutrik.com/en/product/nc3mbh B Series, 3 pole male XLR receptacle, grounding: separate ground contact connected to trigger, gate jack is normalized\nto +12 V, 10 mA -12 V ## Photos [to be added] ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules schematic start, and some example modules Latest commits for file sr1_full.png From 1e6cc98f413992554cb33b458eea58dbb7544fc2 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Add comments and graphics symbols to schematics Merge pull request synth_mages/MK_VCO#1 cfb5bfb128 Finish schematic, add PDF Compare 3 commits from pcb_finalization into main afea9d5a2cf23e2a33a2927086270d4d602f5a2b Final revision; added custom DRC as project file tstamp a19ef654-a631-44b9-8b6b-999333495c1b) Final revision; added custom DRC as.

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