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Published in:
1996 | OriginalPaper | Chapter
The junction transistor
Authors : Ariacutty Jayendran, Rajah Jayendran
Published in: Englisch für Elektroniker
Publisher: Vieweg+Teubner Verlag
Included in: Professional Book Archive
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The junction transistor consists of three semiconductor regions with two sharp junctions between them. The regions are arranged in the order npn or pnp, and are called emitter, base, and collector. The two possible types of transistor are shown in Fig 5.1 with their circuit symbols. The central region is very narrow in width, and has a much lower impurity concentration than the two outer regions.