This amplifier circuit with two transistors was found in a Mullard transistor manual from 1960. The circuit has a maximum output current of 1.3 A.
This LED bar graph circuit was found in the October 1980 issue of Radio Electronics magazine. The...
The integrated circuit used in this circuit is from the time of publication. The circuit is from a...
The circuit is from the 1990 Motorola Linear Databook. The circuit can be implemented with other...