This stabilized source can supply currents up to 700 mA and the output voltage is close to 15 V. a little less with the load. The power transistor must have a good heat radiator.
This circuit that uses only transistors indicates when the voltage in the circuit has the voltage...
This circuit detects the 60 Hz signal from the power grid captured by an object, activating a...
Although it is a common configuration today, this circuit was taken from an old publication. The...