Recollection Services Incorporated

Ic = Ie – Ib

Emitter |P|N|P| Collector

#######|Ie|Ib|Ic|########

Where “N” emits the pole in terms of base voltage.
Defining the PNP transistor as “OFF,” a small output
current and negative voltage at the pole “N” relative to its Emitter (E) will turn it “ON” once the complementary transistor bridges low voltage in emitter-collector identification .

Complementary Transistors
The first silicon transistor matches the complementary transistor in output collector current to its secondary complement.