___________________________________________________________________________ Transistors
THREE ELEMENTS OF A TRANSISTOR - consists of the EMITTER, which
gives off current carriers; the BASE, which controls the carriers; and the
COLLECTOR, which collects the carriers.
TWO BASIC TYPES OF TRANSISTORS - are the NPN and PNP. The only
difference in symbolism between the two transistors is the direction of the
arrow on the emitter. If the arrow points in, it is a PNP transistor and if it
points outward, it is an NPN transistor.
FOUR TRANSISTOR MANUFACTURING PROCESSES - are the (A) point
contact, (B) grown or rate-grown junction, (C) alloy or fused junction, and (D)
diffused junction.
23 June 2005
TC 9-62
2-37
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