This 90s Motorola circuit from, has current limiting foldback. The power transistor is from the era, and equivalents can be used. The output is 250 V.
This static switch circuit or solid-state contactor was found in a Motorola documentation from...
of the National Semiconductor of 1994. The same technique can be used with other operators and the...
Have you not yet memorized the color code used to identify resistors and capacitors? Do you have...