Bipolar Junction Transistor

What is a bipolar junction transistor?
A bipolar junction transistor (BJT) is a type of semiconductor that uses both electron and hole charge carriers. They are used to amplify electricity. BJTs are available both individually and in integrated circuits (ICs). BJTs are widely used in amplifiers for a large number of everyday electronic devices.

A bipolar transistor is also known as a bipolar transistor.

A bipolar junction transistor is a type of semiconductor that is formed by connecting two types of semiconductors, P-type and N-type, to a third base. This base can modulate the amount of electricity that flows through it. These devices allow electrical power to be amplified in a very small space. BJTs are available individually or manufactured as integrated circuits.

Invented by William Shockley at Bell Labs in 1948, the BJT was a major breakthrough in electronics. This enabled electronics manufacturers to build smaller, cheaper devices. Its effect was first seen with the introduction of transistor radios. BJTs eventually led to the development of microprocessors and the modern computer industry when it was realized that transistors could be used to build logic gates.

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