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 power supply was found in a 2000 documentation. It can supply currents from 2 A to 15 V and 1...
We found this circuit in a Radio & Electronics Constructor of November 1975. The magazine no...
This circuit is designed to modulate small AM transmitters with the same power order. The circuit is...