《模拟电路设计第7章.ppt》由会员分享，可在线阅读，更多相关《模拟电路设计第7章.ppt（30页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、Chapter 7NoiseCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.1Electronic NoiseCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blaloc
2、k,University of Virginia.2Noise PowerOr,for convenience,Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.3Noise SpectrumCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or di
3、splay.Slides prepared by Travis N.Blalock,University of Virginia.4Noise ShapingCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.5Noise Source CorrelationThird term vanishes for uncorrelated sources.Copy
4、right The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.6Correlated and Uncorrelated Noise SourcesCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N
5、.Blalock,University of Virginia.7Thermal NoiseCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.8MOSFET Thermal NoiseParameter is typically 2/3 for long channel,as high as 2.5 for submicron devices.Copyr
6、ight The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.9FET Ohmic Noise SourcesCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University
7、 of Virginia.10FET Flicker NoiseCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.11Flicker Noise CornerCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prep
8、ared by Travis N.Blalock,University of Virginia.12Noise in CircuitsExample 7.7M1 thermal+M1 flicker+RD thermalCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.13Input Referred NoiseInput referred noise
9、is fictitious quantity that allows comparison between different circuits.Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.14Example 7.7 revisitedCopyright The McGraw-Hill Companies,Inc.Permission requir
10、ed for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.15Is Input Voltage Noise Sufficient?Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.16Input Referred Noise Volt
11、age and CurrentCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.17Useful TransformationA noise source can be transformed from a drain-source current to a gate series voltage for arbitrary Zs.(page 224)C
12、opyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.18Common-Source StageCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,Universit
13、y of Virginia.19Common GateCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.20Common Gate(ro large)Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared
14、 by Travis N.Blalock,University of Virginia.21Common Gate BiasDesire to minimize gm2,but this degrades active-region voltage swing.Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.22Common Gate 1/f nois
15、eCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.23Common Gate 1/f noiseCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,Unive
16、rsity of Virginia.24Source FollowerCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.25Cascode StageCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared
17、 by Travis N.Blalock,University of Virginia.26Differential PairCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.27Diff.Pair Cont.Copyright The McGraw-Hill Companies,Inc.Permission required for reproduct
18、ion or display.Slides prepared by Travis N.Blalock,University of Virginia.28Diff.Pair Cont.Copyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.29Noise BandwidthCopyright The McGraw-Hill Companies,Inc.Permission required for reproduction or display.Slides prepared by Travis N.Blalock,University of Virginia.30