This circuit was found in an old manual of integrated circuits. The operational is of the time, uncommon nowadays. The power supply must be symmetrical.
This power source can supply currents in the range of 100 mA to 1 A, depending on the transformer and the...
This 5 V regulator has a low voltage drop and can supply currents up to 5 A. The circuit is from...
The circuit of the figure allows to implement a multimeter of high sensitivity or even to use a...