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.
This circuit was obtained in a documentation from the 90's. Several common operational amplifiers...
This is the traditional configuration of an AND gate using an operational amplifier. Operational...
This simple source using fixed voltage regulators can supply currents up to 1 A at the voltages...