Constant Current Transistor Test (CB12262E)

Details
Written by: Newton C. Braga

 

We found this circuit in an English publication from 1994. Q1 can be a BC558 or BC559 and the diodes are 1N4148. The circuit tests transistors with constant current, whose intensity is adjusted in RV1. The power is supplied by a 9 V battery and the current is regulated by the diodes connected in series.

 


 

 

 

  

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