transistor

CE5

Simple transistor circuit

transistor, three-terminal, solid-state electronic device used for amplification and switching. It is the solid-state analog to the triode electron tube; the transistor has replaced the electron tube for virtually all common applications.

Sections in this article:

• Introduction
• Invention and Uses of the Transistor
• The Field-Effect Transistor
• The Junction Transistor
• Types of Transistors

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