The circuit is of the Motorola Linear Databook of 1990. The power source must be symmetrical and the characteristics of the circuit are given next to the diagram.
This circuit is the receiver for the CB13997E. The transistor can be the BC548. We also found this...
This sophisticated audio generator based on the XR2206 IC was featured in the May 1980 issue of...
This circuit was found in a Popular Electronics from the 90s. The circuit uses general purpose...