This circuit with two transistors was found in ancient European documentation. Transistors support equivalents. The indicator on this circuit is an ordinary 50 to 100 mA lamp.
This circuit turns on a lamp after the time set on the potentiometer. The circuit is from a Radio...
This circuit was obtained in documentation on medical applications from 1966. The circuit is used in...
In a voltage follower, the voltage gain is unitary, the input impedance is very high, and the...