BJT Types
1)NPN and
2)PNP.
– NPN: a small
input current and a positive voltage applied @ its base (with VB>VE)
allows
a large current to flow from collector to emitter.
– PNP:
a small output current and a negative voltage @ its base (with VB<VE)
allows a
much larger current to flow
from emitter to collector.
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