This circuit was found in a Popular Electronics from the 90's. The transistors are general-purpose types and the loaded load depends on the voltage and must have a maximum current of 100 mA.
The circuit is from the 1990 Motorola Linear Databook. The circuit can be implemented with other...
We can obtain the characteristics of an operational amplifier with FET by adding FETs common to the...
This interesting circuit for testing signal transistors with the oscilloscope was found in the...