模拟集成电路分析9 罗萍new

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1、AnalysisandDesignofAnalogIntegratedCircuitsChapter4CurrentMirrors,ActiveLoads,andReference--CurrentSinks/Sources--Currentmirrors--ActiveLoadAmplifiers--VoltageandCurrentReferences2013/9/19UESTC-LuoPing1AnalysisandDesignofAnalogIntegratedCircuitsACTIVELOADSOutline--InvertingActiveLo

2、adAmplifiers--DifferentialPairwithCurrent-MirrorLoad--FoldingDifferentialAmplifier2013/9/19UESTC-LuoPing2AnalysisandDesignofAnalogIntegratedCircuitsINVERTINGACTIVELOADAMPLIFIEROutline---ActiveLoadAmplifiers---MOSdiodeloadinvertingamplifier---BJTcurrentsourceloadinvertingamp2013/9/1

3、9UESTC-LuoPing3AnalysisandDesignofAnalogIntegratedCircuitsMOSDiodeLoadAmplifierLRt9500W1W1W1LL3.52LL9.032013/9/19UESTC-LuoPing4AnalysisandDesignofAnalogIntegratedCircuits•Large–SignalVoltageSwingLimitsoftheActiveLoadInvertervOUT(min):vOUT(max)VDDVtpAssumethatM1

4、isnon-saturatedandVt1Vt2Vt22vvDS1OUTi(vV)v(VV)vD11GS1tDS121DDtOUT22222i(vV)(VvV)D2GS2tDDOUTt22iiD2D1VVDDtvVVOUT(min)DDt1(/)212013/9/19UESTC-LuoPing5AnalysisandDesignofAnalogIntegratedCircuits•Small-SignalMidbandPerformanceoftheActiveLoadIn

5、verterForoutputnode,gvgvgvgv0m1inds1outm2outds2out1/2'vggkWLoutm1m1N12'vggggkWLinds1ds2m2m2P2111Routggggds1ds2m2m22013/9/19UESTC-LuoPing6AnalysisandDesignofAnalogIntegratedCircuitsBJTCurrentSourceLoadAmplifier•VoltageTransferCharacteristicoftheCurrentSourceL

6、oadInvertervVVvVOUT(max)CCCE(sat)OUT(min)CE(sat)2013/9/19UESTC-LuoPing7AnalysisandDesignofAnalogIntegratedCircuitsSmall-SignalResponseoftheCurrentSourceLoadInverterRinr1Routro1//ro2voutg(r//r)m1o1o2vin2013/9/19UESTC-LuoPing8AnalysisandDesignofAnalogIntegratedCircuitsFrequ

7、encyResponseoftheMOSDiodeLoadInverter11R()gggoutds1ds2m2gm2CC,CCCCCMgd1outbd1bd2gs2LsC(VV)gVGVsCV0MoutinminoutoutoutoutsCsgR(1M)gR(1)moutmoutV()gsCgzoutmMm1VGsCsC1sR(CC)sinoutMoutoutMout1p12013/9/19UESTC-LuoPing9AnalysisandDesignofAnalogIntegratedCircu

8、its1gm1gg,p,zmm111R(C