We’ll do just that and build up a triangle-wave oscillator that can morph into a square wave, passing through a rounded-over kinda square wave along the way. The triangle sounds nice and mellow ...

First, the dividing by the square root of two is only valid on the pretty sine waves we were studying. Any more complex waveform required calculus to get the right answer. For example, a triangle ...

A waveform that rises quickly to a particular amplitude, remains constant for a time period and drops fast at the end. In digital systems, square waves are the norm, because they represent a ...