Transcription of Transistors - Talking Electronics
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Transistors - Talking Electronics
Facts about the of Common of Collector Used Load Line Way of Drawing of Rating of DevicesNumbering Versus Vacuum TubesINTRINTRINTRINTRINTRODUCTIONODUCTIO NODUCTIONODUCTIONODUCTIONWhen a third doped element is added to a crystal diode in such a way that two pn junctionsare formed, the resulting device is known as a transistor . The transistor an entirely newtype of electronic device is capable of achieving amplification of weak signals in afashion comparable and often superior to that realised by vacuum tubes. Transistors are far smallerthan vacuum tubes, have no filament and hence need no heating power and may be operated in anyposition.
Transistors 143 8.2 Naming the Transistor Terminals A transistor (pnp or npn) has three sections of doped semiconductors.The section on one side is the emitter and the section on the opposite side is the collector.The middle section is called the base and forms two junctions between the emitter and collector.
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