This transistor tester with different gain ranges was found in documentation from the 1980s. The circuit can still be implemented with more modern components and used with general purpose transistors.
Using two unijunction transistors, this circuit found in Electronics World generates linear...
The basis of this circuit is the 723 integrated circuit, not very common today. We obtained this...
This circuit was found in a 2006 publication. It uses discrete components and CMOS that are still...