This circuit, with a 12 V input, was found in a Popular Electronics from the 1990s. Information is given about the ferrite-wrapped transformer. The transistor must be mounted on a heatsink.
The configuration shown in the figure is one of the most traditional when it is desired to produce...
This burglar alarm is highly efficient, depending of course on the care with which it is...
This shunt voltage regulator was found in an Electronic Design from the 90's. The power transistor must...