Found in RCA documentation from the 1960s, this 60 V regulator has a 100 V input and a current of 1 A. The transistors are from that time. One can try to use modern equivalents.
Mean Well 480W HVG-480 LED drivers can be purchased from Mouser Electronics. These drivers operate with...
This circuit was obtained in a documentation of the 80s, using operational of the time. The...
We find this circuit in an American 1980s documentation. It triggers an alarm in the event of a...