模拟电路设计第5章.ppt

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1、Chapter 5Passive and Active Current MirrorsCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.1Current MirrorsCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides

2、 prepared by Travis N.Blalock,University of Virginia.2Reference CurrentsCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.3Amplifier Bias ExampleCopyright The McGraw-Hill Companies,Inc.Permission require

3、d for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.4Cascode Current MirrorCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.5Cascode Current Mirror(cont.)Copyright T

4、he McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.6Cascode Current Mirror(cont.)Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University

5、 of Virginia.7Cascode Current Mirror BiasingCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.8Active Current MirrorCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display

6、.Slides prepared by Travis N.Blalock,University of Virginia.9Open Loop ConstraintsCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.10Small-Signal Current MirrorCopyright The McGraw-Hill Companies,Inc.Pe

7、rmission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.11Calculation of GmCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.12Calculation of RoutCopyrigh

8、t The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.13Small-Signal GainCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virg

9、inia.14Common Mode CharacteristicsCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.15Common Mode(cont.)Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prep

10、ared by Travis N.Blalock,University of Virginia.16Common Mode(cont.)Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.17Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.18