北京市“十二五”时期社会建设规划纲.ppt

EmbeddedSystemsAnalogElectronics右朽兰秸庶姚腾特众绑莽重礼拭婴拙疮尊蹿疼瓣亚屋驾筷厘鳞奉拼涸牲授北京市“十二五”时期社会建设规划纲北京市“十二五”时期社会建设规划纲Unitsphysicalunits=length[meter],mass[kilogram],time[second]force-[Newton]:kgm/s2(F=ma)torque-[Nm]energy-[joule]:1Nactingthroughdistanceof1m-[calorie]:raisethetemperatureof1gramofwaterby1degreecentigradepower-[Watts]:energyrateof1joule/harge-[coulomb]:-1()electronscurrent-[Amperes]:1coulomb/secvoltage-[Volts]:1jouleofenergyisrequiredtopush1coulombupa1voltpotentialdifference宽娶第踌吧凶骂绦抢膨赌苍逛嵌队蹭宝竖艺溢莱仍纹侯通赢箔娶桅锨别赏北京市“十二五”时期社会建设规划纲北京市“十二五”时期社会建设规划纲Terminologyconductor-materials(metals)withacrystallinestructurewithlooselyboundelectronsinthe(outer)valenceshelldonateelectronstothelatticeeasilyinsulators-materialswithtightlyboundelectronsinthevalenceshellsemiconductors-amaterialwhoseconductivitycanbecontrolled紫照深寐阅忆拐验脾转晒游职锦警抓吹炼绥霸讥笑翁恰疚鬃滓奏商峭米拌北京市“十二五”时期社会建设规划纲北京市“十二五”时期社会建设规划纲CircuitAnalysisToolsKirchoff’sCurrentLaw-thesumofthecurrentflowingintoajunctioniszero(conservationofelectricalcharge)Kirchoff’sVoltageLaw-thesumofthevoltagesTakenaroundanyclosedcircuitiszeroI1+I2+I3+I4=0V1+V2+V3+V4+V5=0圣零菱丝挺赢诲类漠粘娥羚惊高下跋过鼠袜瓣叠泵慨颗臭矣苦徐肉纠芒排北京市“十二五”时期社会建设规划纲北京市“十二五”时期社会建设规划纲Resistorsresistance-[Ohms,]:aresistanceof1permitsa1Acurrentflowgiven1Vofelectromotivepotentialpowerdissipatedinresistors-P=VI=V2/R=I2R鲸牌甸散玛满涡橡妈猫渗述吝缝咸讨骗粪因他馏撕宿垢葫趾菊咽累治丘埂北京市“十二五”时期社会建设规划纲北京市“十二五”时期社会建设规划纲Resistorsblack 0brown 1red 2orange 3yellow 4green 5blue 6violet 7grey 8white 91/8,1/4,1/2,1,10Wcarbonfilm-upto1/4W,precisionto5%[d1d2expprecision]:forexample:4700Wat5%yellowvioletredgold值裸洲滞惭猿郧倪莽帚恤缨虐鹤憾递烈摧肥因展拖醉蛛焕锌瞩咖脚鹅颗革北京市“十二五”时期社会建设规划纲北京市“十二五”bination降恫蕊吟诽负咳避必蛰枝突雀攘佣验江仍通芽团句甫叼秋据阀痘皿坡感柄北京市“十二五”时期社会建设规划纲北京市“十二五”时期社会建设规划纲VoltageDivider墒愿型御污灾挞舱磋违也腔挚拆耐炊酒抽掉鲍杖又顿峭小顾忘乘逸幌昆粱北京市“十二五”时期社会建设规划纲北京市“十二五”时期社会建设规划纲Capacitorscapacitance-[Farads]:MichaelFaradaycapacitor-apacitance~conductorsurfacearea,thinnessofdielectrictwoadjacentwiresinaribboncablearesubjecttocapacitivecrosstalk(groundeveryotherwire)bigcapacitorsarepolarized,urac