We found this circuit in the Philips integrated circuits manual of 1990. The circuit must be powered by a symmetrical high current source. The integrated circuit must have a good heat radiator.
This circuit was found in the January 1995 Electronics Now magazine. Its configuration is valid for...
This circuit with transistors in parallel was found in a Radio Electronics of August 1952....
We find this simple circuit in an English publication called Electronic Circuit Design no. 3 of...