帮我翻译一下电子专业课英语 谢谢
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Amplifier Circuits
Electronic amplifiers are used mainly to increase the voltage , current , orpower of a signal . A linear amplifier provides signal amplification withlittle or no distortion , so that the output is proportional to the input . Anonlinear amplifier may produce a considerable change in the waveform of thesignal . Linear amplifiers are used for audio and video signals , whereasnonlinear amplifiers find use in oscillators , power electronics , modulators ,mixers , logic circuits , and other applications where an amplitude cutoff isdesired . Although vacuum tubes played a major role in amplifiers in the past ,today either discrete transistor circuits or integrated circuits are mostlyused .
放大器电路
电子放大器主要用于增加电压，电流或功率的信号。一个直线性放大器提供很少或者根本没有信号，从而使输出与输入成正比。非线性放大器可能会在信号的波形产生相当大的变化。直线性放大器是用于音频和视频信号，而非线性放大器常用于振荡器，电力电子道具，调制器，混频器，逻辑电路，还有其他的应用程序。虽然真空管在过去发挥了很大的功用，但是现在的分立晶体管或集成电路大多使用。
===========Recent developmentsThe development of integrated circuits has revolutionizedthe fields of communications , information handling , and computing .Integrated circuits reduce the size of devices and lower manufacturing andsystem costs , while at the same time providing high speed and increasedreliability . Digital watches , hand-held computers , and electronic games aresystems based on microprocessors . Other developments include thedigitalization of audio signals , where the frequency and amplitude of an audiosignal are coded digitally by appropriate sampling techniques , that is,techniques for measuring the amplitude of the signal at very short intervals.Digitally recorded music shows a fidelity that is nt possible usingdirect-recording methods . Digital playback devices of this nature have alreadyenterd the home market . Digital storage systems , because much moreinformation can be stored on a disk for replay on a television screen than canbe contained in a book .最近的发展
集成电路的发展彻底改变了通信领域，信息处理和电脑计算方面。集成电路重新调整了设备的尺寸、较低的制造和系统的成本，而在同一时间内提供高速又可靠性高的能力。数字手表，手提电脑和电子游戏就是微处理器里的系统。其他发展包括音频信号，频率和振幅的音频信号的编码用顷抽样技能来数字化，也就是说，在很短的时间内隔测量的信号幅度的技术。电子录制音乐也凸显出了一个不可能采用直接的录制方式。这种性质的数字播放设备已经进入国内的市场。数字存储系统可以让更多的信息存储在磁盘上来重播可以装在书本内的电视屏幕。
=====楼楼，有些专业名词也许出错了，希望你别介意，毕竟我不是电子专业的……没学过……
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Electronic amplifiers are used mainly to increase the voltage , current , orpower of a signal . A linear amplifier provides signal amplification withlittle or no distortion , so that the output is proportional to the input . Anonlinear amplifier may produce a considerable change in the waveform of thesignal . Linear amplifiers are used for audio and video signals , whereasnonlinear amplifiers find use in oscillators , power electronics , modulators ,mixers , logic circuits , and other applications where an amplitude cutoff isdesired . Although vacuum tubes played a major role in amplifiers in the past ,today either discrete transistor circuits or integrated circuits are mostlyused .
放大器电路
电子放大器主要用于增加电压，电流或功率的信号。一个直线性放大器提供很少或者根本没有信号，从而使输出与输入成正比。非线性放大器可能会在信号的波形产生相当大的变化。直线性放大器是用于音频和视频信号，而非线性放大器常用于振荡器，电力电子道具，调制器，混频器，逻辑电路，还有其他的应用程序。虽然真空管在过去发挥了很大的功用，但是现在的分立晶体管或集成电路大多使用。
===========Recent developmentsThe development of integrated circuits has revolutionizedthe fields of communications , information handling , and computing .Integrated circuits reduce the size of devices and lower manufacturing andsystem costs , while at the same time providing high speed and increasedreliability . Digital watches , hand-held computers , and electronic games aresystems based on microprocessors . Other developments include thedigitalization of audio signals , where the frequency and amplitude of an audiosignal are coded digitally by appropriate sampling techniques , that is,techniques for measuring the amplitude of the signal at very short intervals.Digitally recorded music shows a fidelity that is nt possible usingdirect-recording methods . Digital playback devices of this nature have alreadyenterd the home market . Digital storage systems , because much moreinformation can be stored on a disk for replay on a television screen than canbe contained in a book .最近的发展
集成电路的发展彻底改变了通信领域，信息处理和电脑计算方面。集成电路重新调整了设备的尺寸、较低的制造和系统的成本，而在同一时间内提供高速又可靠性高的能力。数字手表，手提电脑和电子游戏就是微处理器里的系统。其他发展包括音频信号，频率和振幅的音频信号的编码用顷抽样技能来数字化，也就是说，在很短的时间内隔测量的信号幅度的技术。电子录制音乐也凸显出了一个不可能采用直接的录制方式。这种性质的数字播放设备已经进入国内的市场。数字存储系统可以让更多的信息存储在磁盘上来重播可以装在书本内的电视屏幕。
=====楼楼，有些专业名词也许出错了，希望你别介意，毕竟我不是电子专业的……没学过……
</p>
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2.放大电路电子放大器主要用于增强电压，电流及功率信号，线性放大器放大信号一般不会失真或失真很小，所以输出与输入信号是成正比的。非线性放大器会对信号波产生相当大的变化。线性放大器是用来处理音频和视频信号，而非线性放大器常用于振荡器，电力电子，调制器，混频器，逻辑电路，还有其他想要中止振荡的应用程序。虽然电子管在发大器方面扮演了很重要的角色，但是今天使用的最多却是分立式晶体管电路或集成电路中的一者
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