Amplifiers and how do they work

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WHAT IS IT? An amplifier is an electronic device which can

WHAT IS IT?

An amplifier is an electronic device which can increase

the power of a signal.

An amplifier can be a separate piece of equipment or an electrical circuit, contained within another device.

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AMPLIFIERS IN CIRCUIT An amplifier A transistor amplifier circuit or an audio amplifier Cascading amplifiers

AMPLIFIERS IN CIRCUIT

An amplifier

A transistor amplifier circuit or an audio amplifier

Cascading

amplifiers
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HOW DO THEY WORK?

HOW DO THEY WORK?

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AMPLIFIER TYPES Active devices Power amplifiers Microwave amplifiers Musical instrument amplifiers And etc.

AMPLIFIER TYPES

Active devices
Power amplifiers
Microwave amplifiers
Musical instrument amplifiers

And etc.

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WHERE DO WE USE THEM?

WHERE DO WE USE THEM?