Prototyp_V1.0
Advanced Member level 2

Hi.
Reading this thread, I found a sort of current mirror.
I've uploaded a cropped version of the circuit in the referred thread.
What I don't quite understand is the working of the circuit. Is this circuit expected to have better characteristics than a circuit with only two NPN's?
thanks
Reading this thread, I found a sort of current mirror.
I've uploaded a cropped version of the circuit in the referred thread.
What I don't quite understand is the working of the circuit. Is this circuit expected to have better characteristics than a circuit with only two NPN's?
thanks