This circuit can be used to obtain a zener voltage from a common zener of another value, adjusting in a multimeter. The circuit is from an American documentation of the 1970s.
The integrated circuit used in this regulator is not very common today. The circuit is from old...
This constant current circuit was found in the October 1993 Electronics Now magazine. The current can...
This operational amplifier circuit with power output using complementary transistors was found in a...