高频功率放大器的特点是输出功率大和效率高。
High power's characteristics of the enlarger is greatly to output powers and the efficiency is high.
指出了高频开关电源在高保真音频功率放大器中广阔的应用前景。
The outlook of high frequency switch power supply in application to high fidelity audio frequency power amplifier is indicated.
寻求先进、高效、实用、稳定、可靠的UHF电视发射机高频线性功率放大器，至今仍是一个十分重要的技术课题。
Pointed out that it is a very important subject to look for the advanced, high-efficiency, useable, stable, reliable high linear power amplifier of UHF TVtransmitter by now.
分析了高频开关电源的特点及将其应用到音频功率放大器中所遇到的主要问题，以及解决这些问题的基本方法。
The problems in its application on audio frequency power amplifier and the main methods to solve them are pointed out.
介绍了高速中规模集成数字频率合成器、晶体管高频大功率放大器的设计。
The high-speed digital frequency mixer made of medium-scale integrated circuits and the design of a high power transistor amplifier are also presented.
分析了高频开关电源的特点及将其应用到音频功率放大器中所遇到的主要问题，以及解决这些问题的基本方法。
Integrated circuit of a class-D audio power amplifier with very high efficiency using CMOS technology is presented in this paper.
射频功率放大器模块是无线通信收发器中的重要模块，它的作用是放大高频信号至所需的功率，并送至天线辐射出去。
PA is very important in the wireless communication system, it amplify high frequency signal to the desired power which is sent through the antenna.
射频功率放大器模块是无线通信收发器中的重要模块，它的作用是放大高频信号至所需的功率，并送至天线辐射出去。
PA is very important in the wireless communication system, it amplify high frequency signal to the desired power which is sent through the antenna.
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