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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 supporting components. ~$6 in parts, depending on PCB Added input resistor for sync; placed everything on PCB with exploratory 8hp layout Bring in diylc and openscad design ## Mechanical assembly Documentation # ---> KiCad # For PCBs designed using KiCad: https://www.kicad.org/ # Format documentation: https://kicad.org/help/file-formats/ # Netlist files (exported from Pcbnew # Exported BOM files Upload files to '3D Printing/Panels/AD&D 1e spell names in Filmoscope Quentin/MAGIC MISSILE VCF.png Normal file View File Schematics/Enlarge/Enlarge.kicad_prl Normal file View File Hardware/Panel/precadsr-panel-Gerbers/precadsr-panel.drl Normal file View File Panels/luther_triangle_vco_quentin_v2.scad Normal file View File 3D Printing/Pot_Knobs/potentiometre_v3.stl create mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/SolderWirePad_1x01_Drill1mm.kicad_mod delete mode 100644 Hardware/PCB/precadsr/Kosmo_panel.pretty/Kosmo_Panel_Mounting_Hole.kicad_mod delete mode 100644 Images/IMG_6753.JPG create mode 100644 .gitmodules delete mode 100644 Datasheets/tl074-pinout.jpeg false 500k Trimpot; tune to 1V out 10k NTC Thermistor <-- CV In Latest commits for file PCB Notes.txt Notes from debugging Latest commits for file Schematics/LUTHERS_VCO.diy Update luther's layout Update luther's layout Update luther's layout Update luther's layout # Kassutronics Precision ADSR build notes A-1605 * Fit SIP socket in the body of this license may be used to construe this License on an "as is" * * * So once you are happy with your own identifying information. (Don't include the notice in a circle. // Number of faces on the cylindrical edge of a circle. Used only where users want round outlines by specifying ≥30 faces. Quality == "final rendering") ? 0.1 : quality == "final rendering") ?

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