TRANSISTORS Meaning and
Definition
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Transistors are solid-state electronic devices consisting of three layers of semiconductor material. They are one of the fundamental building blocks of modern electronic circuits and are used to amplify and switch electronic signals and electrical power. Transistors are designed to control the flow of electrical current by acting as a gate that either allows or blocks the passage of electrons.
The three layers of a transistor are typically made of silicon or germanium and are doped with impurities to create regions of positive and negative charges. The three different layers in a transistor are called the emitter, base, and collector. The emitter allows current flow, the base controls the current flow, and the collector collects the current.
Transistors operate based on the principle of amplification. By applying a small current or voltage to the base, a larger current can be controlled or amplified through the collector and emitter. This amplification property makes transistors crucial in applications like audio amplifiers, radios, televisions, computers, and many other electronic devices.
Transistors have revolutionized the field of electronics due to their small size, reliability, and high-speed switching capabilities. Their advance helped in the miniaturization of electronic devices, making them more portable and efficient. Transistors are available in various types, including bipolar junction transistors, field-effect transistors, and insulated-gate bipolar transistors (IGBTs), each designed for specific applications and requirements.
Common Misspellings for TRANSISTORS
Etymology of TRANSISTORS
The word "transistor" is a combination of two phrases: "transfer resistor".
In the early 1950s, the inventors of the transistor, John Bardeen, Walter Brattain, and William Shockley, were looking for a suitable name for their invention. As the transistor was designed to transfer resistance, the term "transfer resistor" was initially used. However, this name did not stick, and instead, it was shortened to "transistor".
The term was coined in 1947 when Bardeen and Brattain developed the first point-contact transistor at Bell Laboratories. This revolutionary electronic device played a vital role in the advancement of electronics and eventually led to the development of modern technology.
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