2013《电路与电子技术》(双语)试卷b

《2013《电路与电子技术》(双语)试卷b》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

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B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.本试卷共三大题，满分100分，考试

2、时间120分钟。题号IIIIII总分满分204040100得分评卷人I.Shortanswerquestions(20points)1、ExplainthefollowingabbreviationsmeaningKCL:Opamp:BJT:PFPMOS:S2、ForthecircuitinFig.1.2,ifv2=1000i2andi2=5mA,determinevS.Figure1.2（中文版15页）课后习题9看解答3、ReferringtoFig.1.3,Findixifiy=2Aandiz=0A.Fig.1.3

3、（中文版37页）课后习题6看解答4、WithsourcesiAandvBonandvC=0,ix=20AinthecircuitofFig.1.4,withallthreesourceson,ix=12A.FindixiftheonlysourceoperatingisvC.Fig.1.4（中文版101页）课后习题2看解答5、DeterminetheequivalentcapacitanceofthenetworkinFig.1.5ifallcapacitorsare6μF.Figure1.5（中文版134页）课后习题

4、20看解答II.Calculationandanalysisofproblems(40points)6.Whatisthepowerdissipatedinthe2-ΩresistorinFig.2.6.Figure2.67.Findthecurrenti(t)inthecircuitshowninFig.2.7.Figure2.7(a)AnRLCcircuitforwhichthesinusoidalforcedresponsei(t)isdesired.(b)Thefrequency-domainequivalen

5、tofthegivencircuitatω=3000rad/s.(中文版195页)有详解8.FindthenodevoltagesphasorV1andV2inthecircuitshowninFig.2.8.Figure2.8Afrequency-domaincircuitforwhichnodevoltagesV1andV2areidentified.9.ThesourceinFig.2.9isbalancedandexhibits(+)phasesequence.Find(a)IaA;(b)IbB;(c)IcC;

6、Figure2.9（中文版263页）课后习题12看习题解答III.Designandapplicationofquestion(thefollowingquestionsoptional4questions)10.Apower-supplycircuitisneededtodeliver0.1Aandanaverageof15Vtoaload.Theacsourceavailableis110Vrmswithafrequencyof60Hz.Assumethatthefull-wavecircuitofFigure3.

7、10istobeusedwithasmoothingcapacitorinparallelwiththeload.Thepeak-to-peakripplevoltageistobe0.4V.Allow0.7Vforforwarddiodedrop.Findtheturnsrationthatisneededandtheapproximatevalueofthesmoothingcapacitor(Hint:Toachieveanaverageloadvoltageof15Vwitharippleof0.4V,desi

8、gnforapeakloadvoltageof15.2V.).YoumustdrawthediagramofthevoltagewaveformonLoad.CFig3.1011.Designanamplifierforwhichtheoutputvoltageisv0(t)=5v1(t)—2v2(t).Assumethatide