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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 main 5a4e89eea6 Add position for resistor between coarse and +12V, value unknown master PSU/Synth Mages Power Word Stun-backups History 269f3bf9f9 power word stun initial commit by Synth Mages Power Word Stun.kicad_prl Synth Mages Power Word Stun.kicad_prl 3c7abf2196 Move LED resistors next to transistors to save on panel wires Update to 7.0, slider footprint cb3a50e19a More tweaks after pro review }, "pcbnew": { "last_paths": { "gencad": "", "idf": "", "netlist": "", "specctra_dsn": "", "step": "", "vrml": "" }, "page_layout_descr_file": "" }, "schematic": { "annotate_start_num": 0, "drawing": { More tweaks after pro review "clearance": 0.2, "diff_pair_gap": 0.25, "diff_pair_via_gap": 0.25, "diff_pair_width": 0.2, "line_style": 0, "microvia_diameter": 0.3, "microvia_drill": 0.1, "name": "Default", "pcb_color": "rgba(0, 0, 0, 0.000)", "schematic_color": "rgba(0, 0, 0, 0.000)", From a924f971822abf6232c3be63abeee0abf33f42cb Mon Sep 17 00:00:00 2001 Subject: [PATCH] More SR1 notation Samurai PSU/Synth Mages Power Word Stun.kicad_prl 3c7abf2196 Move LED resistors Checkpoint after fixes but before shrinking boards renamed repository from precadsrprecadsr to synth_mages/MK_VCO merged pull request synth_mages/MK_VCO#5 b554ec2138 Add footprint items for panel holes; separate panel and pcb into different files Add a front-panel PCB Fireball/Fireball.kicad_prl | 8 | 1N4148 | 100V 0.15A standard switching diode, DO-35 Pin header 2.54 mm spacing R23, R24, R25, R27 Switch, triple pole double throw, right angle, http://www.ckswitches.com/media/1422/js.pdf CuK miniature slide switch, JS series, DPDT, http://spec_sheets.e-switch.com/specs/P040047.pdf E-Switch slide switch, EG series, DPDT, http://spec_sheets.e-switch.com/specs/P040047.pdf E-Switch slide switch, EG series, DPDT, right angle, http://www.ckswitches.com/media/1428/os.pdf 1x-dip-switch SPST , Slide, row spacing 9.53 mm (375 mils), Clearance8mm 10-lead surface-mounted (SMD) DIP package, row spacing 15.24 mm (600 mils), Socket, LongPads 12-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils), LongPads, see https://ac-dc.power.com/sites/default/files/product-docs/tinyswitch-iii_family_datasheet.pdf PowerIntegrations variant of 8-lead though-hole mounted DIP.

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