This circuit was obtained from an Analog Devices documentation from the 90's. The circuit is for a voltage of 1.23 V and is used in a voltage source greater than 3 V.
The power supply shown in the figure provides output voltages in the range of 1.2 to 25 V with...
The components used in this regulator project from an old documentation are not very common today....
The circuit shown in the figure makes use of an LM3909, a low consumption and low voltage IC. The...