The circuit shown is from Motorola's 1990 Linear Databook. Components are not currently common. An equivalent can be used for the transistor.
This is another of the Star Trek red alert circuit that you can find on this site. We took this...
Found in American documentation from the 1980s, this circuit is a basic signal rejection filter...
This circuit can be used in physics experiments, in ionization and in several other applications. The...