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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 example modules schematic start, and some example modules schematic start, and some example modules schematic start, and some example modules Envelope/Envelope.kicad_pcb | 2 | 1 | 10nF | Film capacitor | | | | | | | | Knobs | | L1 | 1 | SW_SPDT | SPDT miniature toggle switch | Dailywell | PAS7B3M1CESA6-5 | Tayda | A-826 | | J4 | 1 | B10k | \*\*Potentiometer, 9 mm or 16 mm vertical board mount OR: | | | | Tayda | A-1157 or A-2425 | | | | | U1 | 1 Fireball/fp-info-cache | 51 create mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/Potentiometer_Alps_RK163_Single_Horizontal.kicad_mod create mode 100644 Panels/FireballSpellVertSmall.png create mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/Potentiometer_Bourns_3296W_Vertical.kicad_mod delete mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/Potentiometer_Alps_RK163_Single_Horizontal.kicad_mod delete mode 100644 Hardware/PCB/precadsr/precadsr.kicad_sch delete mode 100644 Synth_Manuals/Kassutronics_Slope_Build_Docs_2.0A-1.pdf create mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/Push_button_A-5050.kicad_mod delete mode 100644 Schematics/Unseen Servant/Unseen Servant.kicad_prl | 2 pin 0.6x1mm 0.375mm height package, https://www.ti.com/lit/ml/mpss034c/mpss034c.pdf, https://www.ti.com/lit/ds/symlink/tpd6e05u06.pdf USON, 14 Pin (http://www.ti.com/lit/ds/symlink/tlv9004.pdf#page=64), generated with kicad-footprint-generator Molex 734 Male header (for PCBs); Angled solder pin 1 x 1 mm, 734-143 , 13 Pins (https://www.molex.com/pdm_docs/sd/026604020_sd.pdf), generated with kicad-footprint-generator connector Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-113-02-xxx-DV-A, 13 Pins per row, Mounting: Snap-in Plastic Peg PCB Lock (http://www.molex.com/pdm_docs/sd/039300020_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-104-02-xxx-DV-BE, 4 Pins per row (https://www.hirose.com/product/en/products/DF13/DF13C-10P-1.25V%2851%29/), generated with kicad-footprint-generator Mounting Hardware, external M3, height 2.5, Wuerth electronics 9774045943 (https://katalog.we-online.de/em/datasheet/9774045943.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-102-02-xxx-DV-BE-LC, 2 Pins per row (http://www.molex.com/pdm_docs/sd/1053091203_sd.pdf), generated with kicad-footprint-generator connector wire 2sqmm strain-relief Soldered wire connection with feed through strain relief, for 5 times 0.25 mm² wires, basic insulation, conductor diameter 1.7mm, outer diameter 3.9mm, size source Multi-Contact FLEXI-E 2.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times 0.1 mm² wires, reinforced insulation, conductor diameter 0.9mm, outer diameter 3.6mm, size source Multi-Contact FLEXI-2V 0.25 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Hirose series connector, DF52-12S-0.8H (https://www.hirose.com/product/en/products/DF52/DF52-3S-0.8H%2821%29/), generated with kicad-footprint-generator ipc_gullwing_generator.py VQFP, 176 Pin (http://www.microsemi.com/index.php?option=com_docman&task=doc_download&gid=131095), generated with kicad-footprint-generator Mounting Hardware, inside through hole 4.5mm, height 8, Wuerth electronics 9774015360 (https://katalog.we-online.de/em/datasheet/9774015360.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 4.5mm, height 2, Wuerth electronics 9774080982 (https://katalog.we-online.de/em/datasheet/9774080982.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through.

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