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KS-20 https://kassu2000.blogspot.com/2019/07/ks-20-filter.html ** uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on https://www.schmitzbits.de/ms20.html which is a ceramic 104 power cap like C5, C6, C8, C9, C11, C12. C10, C14 too small for film; is film needed? From cb59d1e9c06865f5bebe8c7ee0afa4859e0766b2 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Add PSU Add PSU Latest commits for file README.md Latest commits for file Synth Mages Power Word Stun Panel.kicad_prl create mode 100644 Hardware/Panel/precadsr_panel_al/precadsr_panel_al.pretty/Bigger_Push_Switch_Hole.kicad_mod create mode 100644 Schematics/SynthMages.pretty/SOCKET_3_PIN_HEADER_NORMAL.kicad_mod From 5663c8bc865b744661cf82b1abfca64d73c0f2fa Mon Sep 17 00:00:00 2001 Subject: [PATCH] schematic start, and some example modules Latest commits for file Images/IMG_6771.JPG From fdd5744d7827ea7bf3ef1dd3cdfaa880615e1567 Mon Sep 17 00:00:00 2001 Subject: [PATCH 14/18] replaces FIREBALL mask/etch with silkscreen Add footprint items for panel holes; separate panel and pcb into different files Add a front-panel PCB Send Account Recovery Email The build is pretty straightforward except for mechanical assembly, and one other than the SPDT switch, needed a nut behind the front panel and pcb into different files Add a front-panel PCB More tweaks after pro review More tweaks after pro review "different_unit_footprint": "error", "different_unit_net": "error", "duplicate_reference": "error", "duplicate_sheet_names": "error", More tweaks after pro review Fireball/Fireball.kicad_pro | 4 .../precadsr_panel_al.kicad_pcb | 2707 .../Bigger_Push_Switch_Hole.kicad_mod | 17 ...tenv_Panel_Slotted_Mounting_Hole.kicad_mod | 23 .../SolderWirePad_1x01_Drill0.8mm.kicad_mod | 19 .../SolderWirePad_1x01_Drill1mm.kicad_mod | 19 .../ao_tht.pretty/TO-92_Inline_Wide.kicad_mod | 36 Schematics/Fireball.kicad_sch | 4790 Schematics/Fireball_VCO.pdf | Bin 0 -> 510084 bytes // PCB holder main MK_VCO/Panels/Font files/Futura XBlk BT.ttf | Bin 38860 -> 0 bytes Binary files a/caixa_sr1.png and b/caixa_sr1.png differ Binary files /dev/null and b/Images/loop.png differ Binary files a/Panels/Futura XBlk BT.ttf differ From a3935f450bd1ef1834b2de14643fc2be5f29e67e Mon Sep 17 00:00:00 2001 Subject: [PATCH] README.

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