This high current regulator with low voltage drop was found in the datasheet of the used integrated circuit itself. The transistor accepts an equivalent and must be provided with a heat sink.
This circuit for analog video signals was found in a March 1988 Radio Electronics. The Maxim...
This circuit was found in an American 80's documentation. However, it can be implemented with...
This circuit appears elsewhere on our site with a variety of transistors. This one is from a Radio...