电子工程英语句子（一)
<p>分享一些电子工程相关英语。</p><p>1.<span word="Because">Because</span> <span word="of">of</span> <span word="the">the</span> <span word="very">very</span> <span word="high">high</span> <span word="open">open</span> -<span word="loop">loop</span> <span word="voltage">voltage</span> <span word="gain">gain</span> <span word="of">of</span> <span word="the">the</span> <span word="op">op</span>-<span word="amp">amp</span>,<span word="the">the</span> <span word="output">output</span> <span word="is">is</span> <span word="driven">driven</span> <span word="into">into</span> <span word="positivesaturation">positivesaturation</span>(<span word="close">close</span> <span word="to">to</span>+<span word="V">V</span>)<span word="when">when</span> <span word="the">the</span> <span word="sample">sample</span> <span word="voltage">voltage</span> <span word="goes">goes</span> <span word="slightly">slightly</span> <span word="above">above</span> <span word="the">the</span> <span word="reference">reference</span> <span word="voltage">voltage</span> ,<span word="and">and</span> <span word="driven">driven</span> <span word="into">into</span> <span word="negative">negative</span> <span word="saturation">saturation</span> (<span word="close">close</span> <span word="to">to</span> -<span word="V">V</span>)<span word="when">when</span> <span word="the">the</span> <span word="sample">sample</span> <span word="voltage">voltage</span> <span word="goes">goes</span> <span word="slightly">slightly</span> <span word="below">below</span> <span word="the">the</span> <span word="reference">reference</span> <span word="voltage">voltage</span>.</p><p>1.由于运放的开环电压增益很高，当取样电压略高于参考电压时，输出趋向于正向饱和状态(接近+<span word="V">V</span>)。当取样电压低于参考电压时，输出趋向于负向饱和状态(接近-<span word="V">V</span>)。</p><p>2.<span word="Both">Both</span> <span word="N">N</span>-<span word="type">type</span> <span word="and">and</span> <span word="P">P</span>-<span word="type">type</span> <span word="semiconductors">semiconductors</span> <span word="are">are</span> <span word="made">made</span> <span word="by">by</span> <span word="treated">treated</span> <span word="materials">materials</span>,<span word="such">such</span> <span word="as">as</span> <span word="germanium">germanium</span> <span word="and">and</span> <span word="silicon">silicon</span> <span word="with">with</span> <span word="impurities">impurities</span> <span word="such">such</span> <span word="as">as</span> <span word="arsenic">arsenic</span> <span word="and">and</span> <span word="indium">indium</span>.</p><p>2.<span word="N">N</span>型半导体和<span word="P">P</span>型半导体是利用杂质掺入纯净半导体而形成的，如将杂质砷和铟掺入锗和硅中。</p><p>3.<span word="By">By</span> <span word="comparison">comparison</span>,<span word="most">most</span> <span word="other">other</span> <span word="forms">forms</span> <span word="of">of</span> <span word="transmission">transmission</span> <span word="systems">systems</span> <span word="convey">convey</span> <span word="the">the</span> <span word="message">message</span> <span word="information">information</span> <span word="using">using</span> <span word="the">the</span> <span word="shape">shape</span>,<span word="or">or</span> <span word="level">level</span> <span word="of">of</span> <span word="the">the</span> <span word="transmitted">transmitted</span> <span word="signal">signal</span>;<span word="parameters">parameters</span> <span word="that">that</span> <span word="are">are</span> <span word="most">most</span> <span word="easily">easily</span> <span word="affected">affected</span> <span word="by">by</span> <span word="the">the</span> <span word="noise">noise</span> <span word="and">and</span> <span word="attenuation">attenuation</span> <span word="introduced">introduced</span> <span word="by">by</span> <span word="the">the</span> <span word="transmission">transmission</span> <span word="path">path</span>.</p><p>3.相比之下，许多其他形式的传输系统是利用被传信号的波形或电平的高低来传送信息的，而这些参数又极易受到传输路径中的噪声和衰耗的影响。</p><p>4. <span word="Digital">Digital</span> <span word="transmission">transmission</span> <span word="system">system</span>-<span word="embodied">embodied</span> <span word="by">by</span> <span word="telegraph">telegraph</span> <span word="systems">systems</span>-<span word="were">were</span> <span word="developed">developed</span> <span word="in">in</span> <span word="the">the</span> 1850<span word="s">s</span> <span word="before">before</span> <span word="analog">analog</span> <span word="systems">systems</span>-<span word="the">the</span> <span word="telephone">telephone</span>-<span word="in">in</span> <span word="the">the</span> <span word="twentieth">twentieth</span> <span word="century">century</span>.</p>
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