Obtained from an Electronic Engineering of the 90s, these circuits can be applied to almost any operational amplifier. Signal shapes are given next to the diagram.
This circuit was found in a 1966 EEE. What it does is it converts the logic levels of 0 V and +4 V...
This circuit is from a 1976 documentation. It makes use of isolated gate MOSFET which is already very...
This interesting effect circuit was found in a 1982 publication. The sequence of musical notes is...