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1、Unit 7,Integrated Circuit,Integrated Circuit,Integrated Circuit,Integrated circuit, or IC is a combination of a few interconnected circuit elements such as transistors，diodes，capacitors，and resistors produced in a single manufacturing process on one and the same bearing structure，called the substrat
2、e，and intended to perform definite function involved in converting information1,集成电路缩写为IC，是几个互相连接的电路元件的组合，比如晶体管、二极管、电容器和电阻器等电路元件的组合。它们组装在同一个基底结构上，同时由一个单独制造过程生产出来的，这个基底结构叫做衬底，集成电路可用于信息转换中执行确定的功能。,组成集成电路互相连接的元件称为集成元件。假若集成电路只包含一种类型的元件，例如仅由二极管或电阻器组成，就称为元件组件。,The electrically interconnected components th
3、at make up2 an IC are called integrated elementsIf an integrated circuit includes only one type of components， such as only diodes or resistors，it is said to be an assembly or set of components,The principle of integrated circuit elements lies in the followingA great number of “set” are produced sim
4、ultaneously on a waferEach set contains all the components such as transistors，diodes，and resistors which are interconnected with short fine metallic stripes deposited on the wafer surface3,电路元件的集成原理如下：首先把许多“组”同时制作在晶片上，每个组包含诸如晶体管、二极管和电阻之类的全部元件，各元件被沉积在晶片表面上的短细金属条互相连接起来，组成一个功能模块。,They make up an funct
5、ional block Each ICs of components is a ready integrated circuit All ICs are regularly distributed on the wafer surface,每个元件组都是一个现成的集成电路， 所有集成电路都按一定规则分布在晶片表面。,ICs can be classified by4 function into two： circuits to be applied in digital systems and those to be applied in linear systems,集成电路按其功能可分为两
6、大类， 即用于数字系统的电路和用于线性系统的电路。,The digital ICs are employed mostly in computers，electronic counters，frequency synthesizers and digital instrumentsAnd the analog，or linear ICs operate over a continuous range，and include such devices as operational amplifiers,数字集成电路主要应用于计算机、电子计数器、频率合成器等数字仪器中。模拟或线性集成电路可在连续范
7、围内工作，通常包括诸如运算放大器之类的器件。,The invention of IC is a great revolution in the electronic industrySharp size，weight reduction are possible with these techniques；and more importantly，high reliability，excellent functional performance，low cost and low power dissipation can be achievedICs are widely used in th
8、e electronic industry,集成电路的发明是电子工业的一次伟大革命。利用这种技术，完全可能实现尺寸明显缩小和重量减轻。更重要的是能够获得高度可靠性、优良的工作性能、低成本和低功耗。集成电路广泛应用于电子工业。,New words and phrases,combination ,kmbinein n结合，化合物；联合；组合 interconnect ,int(:)knekt vt 使互相连接vi. 互相联系 manufacture ,mnjufkt n制造，制造业 v. 制造，加工 bearing bri n承载，关系，方向 轴承；方位；举止；关系 substrate sbst
9、reit n. 基质；基片；衬底（等于substratum）,definite definit adj. 确切的；一定的；确定的；明确的 involved invlvd adj. 卷入的；有关的（involve v. 涉及；包含） simultaneous ,simlteinis adj. 同时的；同时发生的n. 同时译员 metallic mitlik, me- adj. 金属的，含金属的 n. 金属纤维 stripe straip n. 条纹，斑纹；种类 vt. 加条纹于 functional fknl adj. 功能的；职能的；函数的,synthesizer sinisaiz n. 合成
10、者；合成器；合成仪；综合器 sharp a:p adj. 急剧的；锋利的；强烈的adv. 锐利地n. 内行；尖头 component kmpunnt n成分，元件组件adj. 组成的，构成的 assembly sembli n集合，装配，汇编；集会；组装 principle prinspl n原理，原则；道义；本质，本义；根源，源泉,wafer weif n. 圆片，晶片；薄片，干胶片；薄饼；vt. 用干胶片封 deposit dipzit n堆积物，沉淀物 v存放，堆积，沉淀 distribute distribju(:)t vt散布，分布 reduction ridkn n减少，缩减量 r
11、eliability ri,laibiliti n可靠性 dissipation ,disipein n消耗，分散,Technical Terms,electronic counter 电子计数器 frequency synthesizer 频率合成器 digital instrument 数字仪器,Language points,1Integrated circuit，or IC is a combinationto perform definite function involved in converting information 集成电路缩写为IC，是几个互相连接的电路元件的组合，如
12、晶体管、二极管、电容器和电阻器等电路元件的组合。它们是在同一个基底结构上，同时是在一个单独制造过程中生产出来的。这个基底结构叫做衬底。集成电路可以在信息转换中执行一定的功能。,Language points,produced 为过去分词短语作定语，修饰前面的circuit elements，其中的produced与intended to为并列部分；而called the substrate为过去分词短语作定语，修饰前面的the same bearing structure，同时 involved in converting information也是过去分词短语作定语，修饰前面的functio
13、n。,2. make up弥补；组成；形成；化妆；整理；临时编造；重归于好 1）Sky and sea make up of a harmonious picture. 天空和大海构成了一副和谐的画面。 2）These signals make up computer language. 这些信号构成计算机语言。,3Each set contains all the components such as transistors，diodes，and resistors which are interconnected with short fine metallic stripes depos
14、ited on the wafer surface 每个组包含诸如晶体管、二极管和电阻之类的全部 元件，各元件用沉积在晶片表面上的短细金属条互 相连接起来。,句中的which arethe wager surface为定语从句，修饰前面的transistors，diodes，and resistors，而定语从句中的deposited on the wafer surface为过去分词短语作定语，修饰前面的metallic stripes。,4be classified by 把分成 1）Both computerized and manual accounting systems requi
15、re transactions to be classified by type. 计算机会计系统和手工会计系统都要求交易根据类型被分类。 2） Privilege existed in history in multiple forms, and may be classified by character into three broad categories: economic, political, and cultural. 特权在历史上具有多种形态，按其性质可分为经济特权、政治特权和文化特权三大类。,Exercises,I. Answer the following questio
16、ns according to the text.,1What is integrated circuit? What functions can integrated circuits perform?,Integrated circuit is a combination of a few interconnected circuit elements such as transistors，diodes，capacitors，and resistors produced in a single manufacturing process on one and the same bearing structure，called the substrate，and inten
