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اللغة:
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%ما هو (من)٪ 1 - تعريف
Linear amplifier
ELECTRONIC CIRCUIT
Linear Amplifier; Linear amplification
A linear amplifier is an electronic circuit whose output is proportional to its input, but capable of delivering more power into a load. The term usually refers to a type of radio-frequency (RF) power amplifier, some of which have output power measured in kilowatts, and are used in amateur radio.
Audio power amplifier
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![McIntosh]] MC240 from 1961 with exposed vacuum tubes](https://commons.wikimedia.org/wiki/Special:FilePath/Mcintosh-MC240-glow.jpg?width=200 "McIntosh]] MC240 from 1961 with exposed vacuum tubes")
 FIIO Fujiyama for smartphone etc. headphones.jpg?width=200 "ul=g}}, power output ca. 0.1 W into a 32 Ohm load.")
![Five rack-mounted audio power amplifiers used in a [[sound reinforcement system]].](https://commons.wikimedia.org/wiki/Special:FilePath/Professional PA power amps from Crest Audio and QSC with control modules in rack.jpg?width=200 "Five rack-mounted audio power amplifiers used in a [[sound reinforcement system]].")
![Pyle]] two-channel power amplifier](https://commons.wikimedia.org/wiki/Special:FilePath/Pyle Power Amplifier.jpg?width=200 "Pyle]] two-channel power amplifier")
![Rear panel of a medium-sized [[sound reinforcement system]] located at one side of the stage at a pop concert. The setup includes the [[mixing console]] for the [[sound engineer]] (standing behind) and the power amplifiers which are partly stacked in a 19-inch rack on the right.](https://commons.wikimedia.org/wiki/Special:FilePath/Rear panel of mixing console and amplifiers at concert of band 'Dead Can Dance' in Barcelona, May 2022.jpg?width=200 "Rear panel of a medium-sized [[sound reinforcement system]] located at one side of the stage at a pop concert. The setup includes the [[mixing console]] for the [[sound engineer]] (standing behind) and the power amplifiers which are partly stacked in a 19-inch rack on the right.")
AUDIO AMPLIFIER THAT REACHES POWER OUTPUT SUFFICIENT TO CONTROL A LOUDSPEAKER
Power amplifier; Audio Amplifier; Amplifier Home Audio; Audio amplifier; Amplification (audio); Power amplifiers; Power amplifer; Power amp; Amplification device
An audio power amplifier (or power amp) is an electronic amplifier that amplifies low-power electronic audio signals, such as the signal from a radio receiver or an electric guitar pickup, to a level that is high enough for driving loudspeakers or headphones. Audio power amplifiers are found in all manner of sound systems including sound reinforcement, public address and home audio systems and musical instrument amplifiers like guitar amplifiers.
Amplifier
![voltage gain]]'' of 3; that is at any instant <math>v_o(t) = 3v_i(t)\,</math>](https://commons.wikimedia.org/wiki/Special:FilePath/Amplification2.svg?width=200 "voltage gain]]'' of 3; that is at any instant <math>v_o(t) = 3v_i(t)\,</math>")
![op-amp]]](https://commons.wikimedia.org/wiki/Special:FilePath/LM741CN.jpg?width=200 "op-amp]]")
![Power amplifier by [[Skyworks Solutions]] in a [[Smartphone]].](https://commons.wikimedia.org/wiki/Special:FilePath/Sagem VS4 - Skyworks SKY77328-13-9827.jpg?width=200 "Power amplifier by [[Skyworks Solutions]] in a [[Smartphone]].")
ELECTRONIC CIRCUIT OR COMPONENT THAT INCREASES THE LEVEL OF INCOMING ELECTRICAL SIGNAL (NOT NECESSARILY AUDIO)
Amplifiers; Amplifier stage; Voltage amplifier; Signal amplifier; Signal amplifiers; Transistor amplifier; Ampllifiers; Sound amplification; Penguat peralatan; Current amplifier; Amplifire; Amplifier class; Common plate; Common cathode; Common grid; Cathode follower; Piezoelectric audio amplifier; Piezo Audio Amplifier; Single stage amplifier; Common-cathode; Power Amplifier; Electronic amplifier; Unilateral amplifier; Bilateral amplifier; Video amplifier; Microwave amplifier
·noun One who or that which amplifies.
