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 high Q “rejector” or notch filter rejects signals whose frequencies are in the range...
This circuit was found in documentation from the 90's, having an LC compensation network. The...
This two-transistor circuit was found in the January 1994 issue of Electronics Now magazine....