Understand the concept of positive feedback and its role in amplifying signals in various systems effectively.

By controlling the ratio of input signal to feedback ... but we’ll get something that’s ever more like a square wave as we keep passing the signal through further amplification stages.

When the one-fourth speed VCO signal is synced up to the input ... where there’s a full-range square wave, we’ll tap the input which has an analog triangle wave that bounces handily between ...