07级模拟集成电路原理与设计期末复习

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1、《模拟集成电路原理与设计》期末复习1.AssumingallMOSFETsareinsaturation,plotthesmall-signalmodelandcalculatethesmall-signalvoltagegainofthecircuitinFig.1(l≠0,g=0)2.AssumingallMOSFETsareinsaturation,plotthesmall-signalmodelandcalculatethesmall-signalvoltagegainofthecircuitinFig.2(l≠0,g=0)

2、3.Designthefolded-cascodeopampofFig.3forthefollowingrequirements:maximumdifferentialswing=2.4V,totalpowerdissipation=6mW.Ifallofthetransistorshaveachannellengthof0.5mm,whatistheoverallvoltagegain?Cantheinputcommon-modelevelbeaslowaszero?4.Considerthefeedbackamplifierde

3、pictedinFig.4,whereC1andC2settheclosed-loopgain.(a)Determinethesmall-signalstepresponseofthecircuit.(b)Calculatethepositiveandnegativeslewrates.5.CalculatetheinputimpedanceandthetransferfunctionofthecircuitinFig.5.6.Calculatetheinputimpedanceandthetransferfunctionofthe

4、circuitinFig.67.AssumingallMOSFETsareinsaturation,calculatetheinput-referred1/fnoisevoltageofthecircuitshowninFig.78.AssumingallMOSFETsareinsaturation,calculatetheinput-referredthermalnoisevoltageofthecircuitshowninFig.89.DeriveanexpressionforIoutinFig.9.10.Considerthe

5、self-biasedcascodeshowninFig.10.DeterminetheminimumandmaximumvaluesofR∙IREFsuchthatbothM1andM2remaininsaturation.11.ForthecircuitofFig.11,determinetheminimumvalueofISSthatguaranteesoscillation.12.Explainhowthestart-upcircuitshowninFig.5operates.Derivearelationshipthatg

6、uaranteesVx