最新用单运放实现全波整流电路(1)教学讲义PPT.ppt

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1、用单运放实现全波整流电路(1)二、电路功能运用单运放实现全波整流电路，得到精密的脉动波。三、设计要求当ui=220v/50hz时，uo为脉动波，如下图：（红色为输入波形，蓝色为输出波形）五、设计电路图六、用Multisim8仿真结果输入电压（经过变压器降压后的次边电压）的波形图半波整流电路输出波形总输出电压的波形图七、小结体会结果分析：该设计在Multisim8中完成了由单运放实现全波整流电路的设计，并实现了以上的各阶段波形的输出，所以该设计是符合要求的。个人感想：通过对该使用电路的设计，更加深刻地掌握了电

2、路图设计的方法即步骤，并提高了用Multisim8仿真工具分析电路图的能力。阅读方法与技巧阅读中主旨大意题的题型分类标题类：体现概括性,避免远离主题(1)Thebesttitleforthispassageis.(2)Thesuitableheadlineforthispassagemaybe(3)Thetitlethatbestexpressestheideaofthepassageis.(4)Whichofthefollowingcanbethebesttitleofthispassage?段落主旨：体

3、现针对性,避免张冠李戴(1)Themainideaofthesecondparagraphprobablyisthat.(2)Whatisthelastparagraphchieflyconcernedwith?(3)WhichofthefollowingcanbestsummarizeParagraphone?(4)What’sthemainideadiscussedinthefirstparagraph?文章主旨：体现全面性,避免以偏概全(1)Whatisthepassagemainlyabout?(2

4、)Thepassagetalksabout...(3)Thepassagetellsusthat...(4)Thispassagemainlydealswith...(5)What’sthemainidea/topicofthepassage?主题句在段首一个主题句常常是一个段落的开头，其后的句子则是论证性细节。Smokingcigarettesisharmfultoyourhealth.Experimentsshowthatcigarettesmokingcancausecancer.Besidesthe

5、mostseriousandterriblediseaseillness),cancer,cigarettesmokingalsocancauseotherhealthproblems.Forexample,itcangiveonea“smoker’scough”.Finally,studieshaveshownitiseasyforcigarettesmokerstocatchcolds.Whetheryougetanunimportantcoldorterriblekiller,cancer,smoki

6、ngisharmful.Isitworthit?Whatisthemainidea?A.cigarettesmokingcancausecancerB.smokingcancausethemostseriousandterribledisease(illness)C.smokingalsocancauseotherhealthproblemsD.smokingisharmful.On26January,AustraliaDay,inover200locationsacrossthenation,moreth

7、an9,000peoplewillbecomeAustraliancitiziens.“Bythesecitizenshipceremonieswewelcomethosewhohavecomefromoverseasfrommanydifferentculturalandsocialbackgroundsintoourcommunitiesandournation,”saidtheMinisterforCitizenshipandMulticulturalAffairs.“AustraliaDaycele

8、brationsthatincludepeoplefromsomanybirthplacesareanezcellentwaytoencouragetolerance,respectandfriendshipamongallthepeopleofAustralia.”Mostcitizenshipceremonieswillbefollowedbydisplaysofsinginganddancingfromma