Amplifier
An amplifier uses electric power from a power supply to boost the signal. The amount of amplification is measured by its gain, which is the ratio of output to input.
Description
Audio amplifiers: Increase the volume of sound signals.
Video amplifiers: Enhance the strength of video signals.
RF amplifiers: Amplify radio frequency signals.
Operational amplifiers (op-amps): Versatile amplifiers used in various applications.
Input: Where the signal enters the amplifier.
Output: Where the amplified signal exits.
Power supply: Provides the energy for amplification.
Home audio systems.
Public address systems.
Radios and televisions.
Mobile phones.
Computers.
Medical equipment
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