It is a 13.8 V x 10 A regulator obtained in a 2008 documentation. The 2N3055 transistors must be mounted in excellent heat sinks and the voltage is adjusted in the trimpot.
This circuit can be used as a control shield for microcontrollers of all types. The supply is made...
The load used in this experimental circuit is a small incandescent lamp but it can be replaced by...
Found in an American documentation from 1992, this circuit for medium and short waves uses a CI of...