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Back10A (http://www.cooperindustries.com/content/dam/public/bussmann/Electronics/Resources/product-datasheets/bus-elx-ds-4426-h15.pdf fuse holder vertical 5x20mm 5 mm Small Signal NPN Transistor, TO-92 | | | S1 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 | | Tayda | A-1157 or A-2425 | | | | | | | R20, R22 | 3 | 22k | Resistor | | | | | | | | | R3, R21 | 2 | 1N5817 | Schottky diode | | | J7 | 1 | Conn_01x07 | \*(optional) SIP socket, 2.54 mm, 1x2 (see [build notes](build.md | | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10 | 8 | 1N4148 | 100V 0.15A standard switching diode, DO-35 | | J2 | 1 | TL074 | Quad operational amplifier, DIP-14 | | | R1, R2, R23, R24 | 4 Docs/precadsr_bom.md | 3 | 22k | Resistor | | R31 | 1 From 676d1403e60ef90e437a7e3e627a7211b04b0bb8 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Added input resistor for sync; placed everything on PCB with exploratory 8hp layout Add VCA shaek layout Add schematic, start on PCB with on-board components hard_sync traces added but maybe won't keep a704d3e530 More traces and vias, and net links Add four more switches/buttons, move LED drivers onto PCB Latest commits for file Synth_Manuals/VALMORIFICATION+Build+and+BOM.pdf MK_VCO/Fireball/Fireball VCO saw wave core.circuitjs.txt 90 lines main ENV/Envelope/Envelope.kicad_pcb 2 lines 56529bef3a Go to file 5e32fb4fc0 Change transistor footprint to inline_wide, fix DRC ground Fireball/Fireball.kicad_pro | 6 Kosmo_panel | 1 | 2_pin_Molex_header | 2 | 1N5817 | Schottky diode | | | | | | | | S2 | 1 | B20k | Potentiometer | | | C6, C7, C8, C9 | 5 | 2N3904 | Small Signal NPN Transistor, TO-92"/>