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模拟电路设计第1章.pptx

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DesignofAnalogCMOS

IntegratedCircuits

ByBehzadRazavi

?2001

Chapter101IntroductiontoAnalogDesign02

WhyAnalog?Copyright?TheMcGraw-HillCompanies,Inc.Permissionrequiredforreproductionordisplay.SlidespreparedbyTravisN.Blalock,UniversityofVirginia.Intro.toAnalogDesignCh.1#3

DigitalCommunications

DigitalCommunications

DiskDriveElectronics

WirelessCommunications

OpticalReceiversCopyright?TheMcGraw-HillCompanies,Inc.Permissionrequiredforreproductionordisplay.SlidespreparedbyTravisN.Blalock,UniversityofVirginia.Intro.toAnalogDesignCh.1#8

SensorsCopyright?TheMcGraw-HillCompanies,Inc.Permissionrequiredforreproductionordisplay.SlidespreparedbyTravisN.Blalock,UniversityofVirginia.Intro.toAnalogDesignCh.1#9

Whyisanalogdesignchallenging?Digitalcircuitsdealprimarilywithspeedpowertradeoff.01Analogcircuitsdealwithmulti-dimensionaltradeoffofspeed,power,gain,precision,supply,…02Duetospeedandprecisionrequirements,analogcircuitsaremuchmoresensitivetonoise,crosstalk,andotherinterferers.03

Whyisanalogdesignchallenging?(cont.)Analogcircuitsaremuchmoresensitivetosecond-orderdeviceeffectsHighperformanceanalogcircuitdesigncanrarelybeautomated-typicallyrequirehand-crafteddesignandlayoutModelingandsimulationofanalogcircuitsisstillproblematic,requiringexperienceandintution123

Whyisanalogdesignchallenging?(cont.)Economicforcesrequirethedevelopmentofanalogcircuitsinmainstreamdigitalprocesses01Economicforcespushingtheintegrationofanaloganddigitalfunctionsontoasinglesubstrate02Manylevelsofabstractionarerequired03

Digitalcircuitsdealprimarilywithspeedpowertradeoff.Analogcircuitsdealwithmulti-dimensionaltradeoffofspeed,power,gain,precision,supply,…Duetospeedandprecisionrequirements,analogcircuitsaremuchmoresensitivetonoise,crosstalk,andotherinterferers.Whyi

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