电路与电子技术 双语)试卷

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1、姓名学号学院专业座位号(密封线内不答题)……………………………………………………密………………………………………………封………………………………………线……………………………………线………………………………………_____________________…诚信应考,考试作弊将带来严重后果！不允许携带任何电子设备华南理工大学期末考试《电路与电子技术》（双语）试卷A考试时间：120minutes注意事项：1.考前请将密封线内填写清楚；2.所有答案请直接答在试卷纸上；3．考试形式：闭卷；4.本试卷共三

2、大题，满分100分，考试时间120分钟。题号IIIIII总分满分204040100得分评卷人I.Shortanswerquestions(20points)1、ExplainthefollowingabbreviationsmeaningKVL:Opamp:BJT:NMOS2、DetermineixandvxinthecircuitofFig.1.2.Figure1.2（中文版21页）无详细解答3、FindthepowerabsorbedbyeachelementinthecircuitinFi

3、g.1.3.Fig.1.34、Usingrepeatedsourcetransformations,determinetheNortonequivalentofthehighlightednetworkinthecircuitofFig.1.4.Fig.1.4（中文版94页）无详细解答5、SimplifythenetworkofFig.1.5ausingseries/parallelcombinations.Figure1.5(a)AgivenLCnetwork.(b)Asimplerequiv

4、alentcircuit(中文版128页)有详解II.Calculationandanalysisofproblems(40points)6.Whatisthepowerdissipatedinthe2-ΩresistorinFig.2.6.Figure2.6（中文版104页）课后习题11题看课后习题答案7.Inthefrequency-domaincircuitofFig.2.7,find(a)I1;(b)I2;(c)I3.Figure2.7.（中文版196页）无详细解答8.Findtheno

5、devoltagesphasorV1andV2inthecircuitshowninFig.2.8.Figure2.8Afrequency-domaincircuitforwhichnodevoltagesV1andV2areidentified.（中文版198页）有详细解答9.ForthecircuitofFig.2.9,findtheindicatedcurrentsandvoltagesthroughoutthecircuitandcalculatethetotalpowerdissipa

6、tedintheload.Figure2.9（中文版252页）有详细解答III.Designandapplicationofquestion(thefollowingquestionsoptional4questions)10.Apower-supplycircuitisneededtodeliver0.1Aandanaverageof15Vtoaload.Theacsourceavailableis110Vrmswithafrequencyof60Hz.Assumethatthefull-wa

7、vecircuitofFigure3.10istobeusedwithasmoothingcapacitorinparallelwiththeload.Thepeak-to-peakripplevoltageistobe0.4V.Allow0.7Vforforwarddiodedrop.Findtheturnsrationthatisneededandtheapproximatevalueofthesmoothingcapacitor(Hint:Toachieveanaverageloadvol

8、tageof15Vwitharippleof0.4V,designforapeakloadvoltageof15.2V.).YoumustdrawthediagramofthevoltagewaveformonLoad.CFig3.10（13页）无详细解答—自己认真做一下11.AnalysisofthecircuitinFigure3.11.Fig3.11（170页）有详细解答12.DrawthestaticanalysisanddynamicanalysisdiagramshowninFigu