Build the circuit shown using only the PNP transistors BC 557 B.
PNP Darlington pair circuit. (Enlarge) This circuit is also characterized by a large gain. However, you have to turn the potentiometer P1 in the opposite direction, analogous to the simple PNP transistor circuit. The following also applies to the PNP Darlington Schaltung...
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Circuit Diagram of a PNP Darlington Pair. |
In the next experiment, again you look at a Darlington transistor.
