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MK 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 example modules Envelope/Envelope.kicad_pcb | 2 pin Molex connector KK254 Molex header 2.54 mm spacing 2 pin Molex header Operational amplifier, DIP-8 | | | C6, C7, C8, C9 | 5 create mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2.kicad_mod delete mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/Potentiometer_Alpha_RA6020F_Single_Slide.kicad_mod create mode 100644 Hardware/Panel/precadsr_panel_al/precadsr_panel_al.pro delete mode 100644 3D Printing/Panels/AD&D 1e spell names in Filmoscope Quentin/Panels/UNSEEN SERVANT.png differ Latest commits for file RadioShaek2Board.diy UX Rollup: 2x Sockets, all three pins need wires: - clk in - glide in (sleeve and normal both GND Glide attenuator (B10k) (join two left pins from below Pots, 2-pin: - Glide, manual (A100k) (two left pins, from below - Clock rate (B100k) (not sure yet which 2 pins Rectangular size 5.0x2.0mm^2 z-position of LED center 3.0mm, 2 pins LED_Oval, Oval, Oval size 5.2x3.8mm^2 2 pins LED diameter 4.0mm 2 pins LED diameter 8.0mm C, Axial series, Axial, Horizontal, pin pitch=35mm, , length*diameter=29*10mm^2, Electrolytic Capacitor, , http://www.vishay.com/docs/42037/53d.pdf CP Axial series Axial Horizontal pin pitch 5.00mm length 7.2mm width 11mm Capacitor C, Rect series, Radial, pin pitch=6.00*6.00mm^2, , length*width=11.5*11.5mm^2, Neosid, NE-CPB-11EN, Drill1.5mm, http://www.neosid.de/produktblaetter/neosid_Festinduktivitaet_NE_CPB11EN.pdf Inductor Radial series Radial pin pitch 10.16mm length 3.2mm diameter.

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