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Another voltage. Useful here for pitching up from a base. Update readme Add main pdf Add main pdf UI: 11 potentiometers 11 SPDT switches 1 rotary switch - 7mm, with 3-4mm extra space available mini toggle pushbuttons: ample space above pcb micro toggle: probably too tight; could work with printed spacers and existing lead lengths alpha pots: barely enough to attach knob Schematics/SynthMages.pretty/Alpha Rotary 12.kicad_mod Latest commits for file Fireball/Fireball.kicad_prl couple more minor clearance tweaks Add ground fills, fix some clearance issues, add PCB slot, more options for potentiometer spoke placement' (#1) from bugfix/10hp into main Reviewed-on: https://gitea.circuitlocution.com/synth_mages/MK_VCO/pulls/5 Merge pull request synth_mages/MK_VCO#2 21e2abea62 Merge pull request 'More schematics' (#3) from schematic into main Merge pull request 'Finish schematic, add PDF' (#2) from schematic by Eeschema 5.1.9-73d0e3b20d~88~ubuntu20.04.1 Generated from schematic by Eeschema 5.1.10-88a1d61d58~90~ubuntu20.04.1 Component Count: 77 Refs 3 pin Molex header 2.54 mm spacing | | S1 | 1 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | | | | J5, J12, J13 | 3 | 1k | Resistor | | | | Tayda | A-962 | | R9 | 1 | B10k | \*\*Potentiometer, 9 mm or 16 mm have been informed of the hole for mounting screw: ISO 1481-ST 2.2x6.5 C or ISO 7049-ST 2.2x6.5 C or ISO 7049-ST 2.2x4.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1757365 12A Generic Phoenix Contact SPT 5/2-H-7.5-ZB 1719192 Connector Phoenix Contact connector footprint for: MC_1,5/13-GF-3.81; number of pins: 08; pin pitch: 5.08mm; Angled || order number: 1806290 12A 630V Generic Phoenix Contact connector footprint for: MCV_1,5/7-GF-5.08; number of pins: 13; pin pitch: 5.08mm; Angled || order number: 1924596 16A (HC Generic Phoenix Contact SPT 2.5/5-H-5.0-EX Terminal Block, 1990818 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1990818), generated with kicad-footprint-generator Mounting Hardware, inside through hole Mallory low-profile piezo buzzer, https://www.mspindy.com/specifications/AST1109MLTRQ.pdf Mallory low-profile piezo buzzer, https://mspindy.com/spec-sheets/AST1109MLTRQ.pdf 5.5V, 470mF supercapacitor, 45mohm, -40ºC to +70ºC, https://www.cap-xx.com/wp-content/uploads/datasheets/CAP-XX-DMF470mF-Datasheet.pdf Cliff single 4mm shrouded banana panel socket, through-hole, row spacing 10.16 mm (400 mils), Socket 24-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils), Socket, LongPads THT DIP DIL PDIP 2.54mm 8.89mm 350mil SMDSocket LongPads 64-lead though-hole mounted DIP package, row spacing 7.62 mm.

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