Electronic amplifiers are devices that increase the power, voltage, or current of a signal, playing a crucial role in a wide range of applications from audio equipment to telecommunications. They achieve this by using active components like transistors or vacuum tubes to control a larger power source, thereby amplifying the input signal's characteristics.

Electronic Amplifiers

Electronic amplifiers

devices that increase the power

Devices that increase the voltage

Devices that increase the current

Role in audio equipment

Role in telecommunications

active components

Transistors are semiconductor devices used to amplify or switch electronic signals and electrical power, forming the fundamental building blocks of modern electronic devices. They revolutionized technology by enabling the miniaturization and increased power of circuits, leading to the development of computers, smartphones, and other digital devices.

transistors

Vacuum tubes are electronic components that control electric current between electrodes in an evacuated container, once essential in early computers, radios, and televisions before being largely replaced by transistors. Despite their obsolescence in most electronic devices, they are still valued for their unique sound qualities in audio equipment and their ability to handle high power in certain applications.

vacuum tubes

control a larger power source

amplifying the input signal's characteristics

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