power amplifier

American  

noun

Electricity.

1. an amplifier for increasing the power of a signal.

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power amplifier British  

noun

1. electronics an amplifier that is usually the final amplification stage in a device and is designed to give the required power output

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Etymology

Origin of power amplifier

First recorded in 1915–20

Example Sentences

On top of these innovations, the team designed and implemented a multi-stage 300 GHz power amplifier to be used with each antenna.

From Science Daily

“The db2700 acoustic wave cannon system is composed of five major components: an acoustic wave cannon, an acoustic wave control system, the Type DA2700 digital audio power amplifier, a tripod head and an acoustic wave cannon control system,” the report says.

From Washington Times

Telecoms network maker Nokia said on Wednesday it had acquired Eta Devices, a U.S.-based start-up specializing in power amplifier efficiency solutions for network base stations.

From Reuters

The FTC said that the sale of power amplifier assets will restore competition that would have been lost because of the deal.

From Reuters

The teenagers, he said, likely got into the car using a relatively simple and inexpensive device called a “power amplifier.”

From New York Times