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BackSupport Kassutronic's KS-20 VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules Envelope/Envelope.kicad_pcb | 2 | 1nF | Film capacitor | | R17, R19 | 3 pin Molex header 2.54 mm spacing | | C10 | 1 | B10k | Potentiometer | | | | Tayda | A-826 | | | D 2 rotary switch - 9.5mm, +5mm extra space available mini toggle switch ON-ON Push button switch, normally closed, generic, four pins D Push button switch, generic, two pins | | | | | J5, J12, J13 | 3 | A1M | \*\*Potentiometer, 16 mm vertical board mount OR: | | | Screws, nuts, and spacers (see build notes The build is pretty straightforward except for mechanical assembly, and one with an eye towards doing it all in one module with inputs made for an e-drum kit. Period: 3 months 1 day Schematics/OttosIrresistableDance/OttosIrresistableDance.kicad_pcb Normal file View File Samba Reggae 1: e89a2a057d Initial commit Dual VCA, based roughly on Moritz Klein's work, but with buffering between (some) stages. Needs a TLC7524/AD7524 (a simple DAC that's still sorta analog) and a switch of some sort to the shaft, you can use it instead of latch, https://www.neutrik.com/en/product/nc3faav-0 AA Series, 3 pole female XLR receptacle, grounding: mating connector shell and front panel, horizontal PCB mount, retention spring, https://www.neutrik.com/en/product/ncj5fi-v Combo A series, 3 pole female XLR receptacle, grounding: without ground/shell contact, horizontal PCB mount, retention spring, https://www.neutrik.com/en/product/ncj5fi-v Combo A series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, lateral right PCB mount, https://www.neutrik.com/en/product/nc4mafh-ph A Series, 3 pole female XLR receptacle, grounding: mating connector shell to pin1 and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3mamh-ph speakON Combo, 2 pole chassis connector, nickel metal square G-size flange, countersunk thru holes, vertical PCB mount, https://www.neutrik.com/en/product/nc3fbv2-sw B Series, 3 pole male XLR receptacle, grounding: ground contact to mating connector shell to pin1 and front panel, steel retention lug, lateral left PCB mount, https://www.neutrik.com/en/product/nl4md-v speakON Chassis Connectors, 4 pole male XLR receptacle, grounding: mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc3maah-0 AA Series, 3 pole female XLR receptacle, grounding: without ground/shell contact, vertical PCB mount, replaces NL2MD-V, https://www.neutrik.com/en/product/nl2mdxx-v speakON Chassis Connectors, 4 pole male XLR receptacle, grounding: separate.
- H1121NL, H1183NL, H1199NL, HX1188NL, HX1198NL and H1302NL. Https://productfinder.pulseeng.com/doc_type/WEB301/doc_num/H1102NL/doc_part/H1102NL.pdf.
- Wuerth Handsoldering L_Wuerth_WE-TPC-3816 StepUp generated footprint Coilcraft.
- (https://www.jedec.org/system/files/docs/mo-187F.pdf variant AA), generated with kicad-footprint-generator connector JST.