Pocast 007 : Incredible Synth Filter, SMD MIDI Optcouplers, and Woes of Production Last week’s video: LTspice Potentiometer Download and Install — Filters—– Scowering the web——- found interesting schematic——- built it up. It acted weird.——- I simulated it in LT Spice——–I It was still weird. It wasn’t a LPF at all, but some kind of […]