So we’ll look into an entirely different filter, the Twin-T notch filter, that turns out to be sharp enough to build a sine-wave oscillator on, and tweakable enough that we’ll make a damped ...

But the design goals are pretty clear: build an oscillator with as little distortion ... original configuration in a Heathkit IG-18 sine/square wave generator, a defunct instrument that was ...

An audio waveform theoretically comprised of an infinite set of harmonically related sine waves, as shown under Law of Superposition. It is often used in sound synthesis. See also: Fourier Theorem, ...