This circuit is from an American documentation from the 90s. The transistors are of power and must be equipped with good heat sinks as well as the integrated voltage regulator.
This simple circuit that interrupts the supply of a 12 V load in the event of an overvoltage was found in...
We found this circuit in an old publication on oscilloscopes. Its purpose is to observe the Ie /...
Mouser Electronics has in stock the Texas Instruments TPS7A90 Low Voltage Dropout (LDO) Linear...