Found in Motorola's 1968 documentation, this control appears elsewhere in this section. The bridge diodes must have current and voltage according to the motor used as load.
The circuit shown is from an old European publication. In it we have the way to activate a relay...
We found this circuit in a European publication from the 1990s. Transistors are still common types...
This circuit was found in an American documentation and can be added to common amplifiers of any...