an amplifier that is usually the final amplification stage in a device and is designed to give the required power output
power amplifier in American English
noun
Electricity
an amplifier for increasing the power of a signal
Word origin
[1915–20]This word is first recorded in the period 1915–20. Other words that entered Englishat around the same time include: GI, camouflage, conditioning, costar, supernationalism
Examples of 'power amplifier' in a sentence
power amplifier
The simulation and the measurement results of the proposed power amplifier show good consistency.
Zhiqun Cheng, Xuefei Xuan, Huajie Ke, Guohua Liu, Zhihua Dong, Steven Gao 2017, 'Design of 0.8–2.7 GHz High Power Class-F Harmonic-Tuned Power Amplifier with ParasiticCompensation Circuit', Active and Passive Electronic Componentshttp://dx.doi.org/10.1155/2017/2543917. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
It avoids the saturation of the power amplifier and reduces the vibration response of the rotor system.
Yang Liu, Shuaishuai Ming, Siyao Zhao, Jiyuan Han, Yaxin Ma 2019, 'Research on Automatic Balance Control of Active Magnetic Bearing-Rigid Rotor System',Shock and Vibrationhttp://dx.doi.org/10.1155/2019/3094215. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The numbers of the controller, power amplifier and system volume can be reduced in the magnetic suspension system.
Yanjun Yu, Weiyu Zhang, Yuxin Sun, Peifeng Xu 2016, 'Basic Characteristics and Design of a Novel Hybrid Magnetic Bearing for Wind Turbines',Energieshttp://www.mdpi.com/1996-1073/9/11/905. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The experiment was carried out in two modes of operation of the power amplifier: in quasi-static and in dynamic modes.
Антон Александрович Букарев, Виктор Александрович Лесной, Александр Петрович Кислицын 2019, 'LUMINOUS FLUX MODULATOR WITH KNOWN OPTICAL PULSE SHAPE', Радіоелектронні і комп'ютерні системиhttp://nti.khai.edu/ojs/index.php/reks/article/view/626. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)