Found in 1970s General Electric documentation, this circuit uses period components to control a 12 V motor. Transistors support modern equivalents according to the controlled motor.
Found in National Semiconductor documentation from the 1980s, this circuit can be implemented with...
This circuit was found in a 1968 EEE. The circuit makes use of logic gates of the time and can be...
We found this circuit in a publication on operational amplifiers from 1978. The circuit is made...