This circuit is from documentation from 1965 but can be easily implemented today using modern transistors. We can use BD136 for Q1 and TIP42 for Q2. The TIP must be equipped with a heat sink.
We found this simple transistor tester in a French publication in 1981. It uses a common analog...
This circuit was found in the September 1984 issue of Radio Electronics magazine. The circuit is...
We found this circuit in Ferranti's 1974 transistor manual. The components are from the period. Note...