With this circuit it is possible to select transistors and their compliant test. Or circuit consists of an oscillator. Or transformer of the type found in old transistor radios.
This circuit was obtained from the March 1994 Electronics Now magazine. The circuit uses a common...
This good gain circuit was found in a Popular Electronics from April 1967. The transistors are...
Found in an Electronic World, this circuit is designed to control solenoids up to 5 A. The circuit...