These circuits were obtained in an Electronics Now from the 90s. The integrated circuits are from that time and the power can be between 1.5 and 2 V.
This traditional stable configuration with the TTL 7400 integrated circuit was obtained in a...
This circuit can be used to detect the signals from the previous circuit or from any radio...
This circuit was obtained in the 1990 Motorola Linear Databook. The circuit uses a 139 series...