This circuit was obtained in an American publication of the time. Transistors are commonly used. The circuit can be adapted for use as a shield.
This circuit uses a CMOS integrated circuit as a basic element and can be combined with the...
In the figure we have a regulator circuit for output voltages of 0.5 to 10 V with currents up to...
This circuit was fond in an old publication of the years 1950. The transistors are germanium types and...