模拟电路设计第6章.ppt

《模拟电路设计第6章.ppt》由会员分享，可在线阅读，更多相关《模拟电路设计第6章.ppt（22页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Chapter 6Frequency Response of AmplifiersCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.1Simple PolevivoCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides p

2、repared by Travis N.Blalock,University of Virginia.2Miller EffectCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.3Miller Capacitive MultiplicationCopyright The McGraw-Hill Companies,Inc.Permission requ

3、ired for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.4Applicability of Millers TheoremCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.5Poles and NodesInteracting

4、PolesNon-Interacting PolesCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.6Common GateCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N

5、.Blalock,University of Virginia.7Common SourceNeglecting input/output interaction,Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.8Common Source(cont.)Copyright The McGraw-Hill Companies,Inc.Permission

6、 required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.9Common Source(cont.)Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.10Common Source(cont.)Right half pl

7、ane zero,from the numerator of vo/viCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.11Source Follower(Common Drain)Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or displa

8、y.Slides prepared by Travis N.Blalock,University of Virginia.12Source Follower Input ImpedanceCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.13Source Follower(cont.)At a particular frequency,input imp

9、edance includes CGD in parallel with series combination of CGS and CL and a negative resistance equal to-gm/(CGSCL2).Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.14Source Follower Output ImpedanceCo

10、pyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.15Source Follower Output Impedance(cont.)Output impedance inductance dependent on source impedance,RS!Copyright The McGraw-Hill Companies,Inc.Permission re

11、quired for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.16Source Follower RingingOutput ringing due to tuned circuit formed with CL and inductive component of output impedance.Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or displa

12、y.Slides prepared by Travis N.Blalock,University of Virginia.17Cascode StageCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.18Cascode Stage(cont.)Copyright The McGraw-Hill Companies,Inc.Permission requ

13、ired for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.19Differential PairCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.20Differential Pair(cont.)Copyright The Mc

14、Graw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.21Differential Pair(cont.)Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.22