Applying an operational of the time, this circuit of an old documentation can be elaborated with modern operational. The feed must be symmetrical.
This circuit was found in an Electronic Design from 1964. The components are from that time and...
The bridge diodes of this circuit, found in a 1967 publication, are according to the motor...
Found in a 1970 EEE, this circuit uses general-purpose transistors of the time. Transistors support...