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[LDO Thesis] Measurement and Regulation of On-Chip Power Supply Noise

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发表于 2007-12-7 16:32:34 | 显示全部楼层 |阅读模式

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一篇Stanford 的博士论文,除了基板噪声的分析外,还提到了LDO for analog & digital电路架构的选择,对于Mixed-mode SoC 的设计还蛮有启发性的。不太确定是否有人分享过了。
希望大家喜欢。

[Thesis] Measurement and Regulation of On-Chip Power Supply Noise.pdf

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 楼主| 发表于 2007-12-7 16:36:34 | 显示全部楼层
Table of Contents
Abstract .........................................................................................................................v
Acknowledgments.......................................................................................................vii
Table of Contents.........................................................................................................xi
List of Figures .............................................................................................................xv
Chapter 1 Introduction ................................................................................................1
1.1 Organization ......................................................................................................... 3
Chapter 2 Supply Noise Measurement .......................................................................5
2.1 Random Supply Noise and Autocorrelation......................................................... 7
2.2 Measurement Circuits........................................................................................... 9
2.2.1 Sampling Switch.......................................................................................... 10
2.2.2 VCO Converter............................................................................................ 11
2.2.3 Timing Generation....................................................................................... 13
2.3 Measurement Results.......................................................................................... 15
2.3.1 Measurement System Calibration................................................................ 16
2.3.2 Measurement System Validation and Characterization .............................. 18
2.3.3 Measured Supply Noise............................................................................... 20
2.4 Summary............................................................................................................. 24
Chapter 3 Supply Noise Measurement in Modern Technologies...........................25
3.1 Improvements for Itanium Measurement System .............................................. 26
3.1.1 Itanium Measurements ................................................................................ 28
xii
3.2 Samplers without an Independent Power Supply............................................... 29
3.2.1 Feedthrough Calibration.............................................................................. 31
3.2.2 NMOS-Based Sample and Hold.................................................................. 33
3.3 Averaging-Based System ................................................................................... 36
3.3.1 Averaging-Based System Implementation and Measurements................... 41
3.4 Summary............................................................................................................. 44
Chapter 4 Feedback Amplifier Design for Linear Regulators...............................47
4.1 Compensation and Noise Performance .............................................................. 48
4.2 Regulator Feedback Amplifier Analysis ............................................................ 51
4.3 Implications on Regulator Topology.................................................................. 56
4.3.1 Source-Follower Output Stage .................................................................... 57
4.3.2 Replica Feedback......................................................................................... 58
4.3.3 Replica Compensated Regulator ................................................................. 62
4.4 Summary............................................................................................................. 73
Chapter 5 Push-Pull Shunt Regulation for Digital Circuits...................................75
5.1 Efficiency of an Unregulated Digital Chip......................................................... 76
5.2 Efficiency Limitations of Single-Supply Regulators ......................................... 77
5.2.1 Series Regulator........................................................................................... 77
5.2.2 Shunt Regulator ........................................................................................... 78
5.3 Push-Pull Shunt Regulator ................................................................................. 80
5.3.1 Shunt Supply Network Design .................................................................... 82
5.3.2 Regulator Implementation ........................................................................... 85
5.3.3 Experimental Results................................................................................... 94
5.4 Summary............................................................................................................. 98
Chapter 6 Conclusions .............................................................................................101
6.1 Future Work...................................................................................................... 103
Appendix A Replica Loads and Mismatch Analysis ...........................................107
A.1 Replica Loads .................................................................................................. 107
A.2 Mismatch Analysis .......................................................................................... 109
A.1.1 Effect of Mismatch on Voltage Offset ..................................................... 110
A.1.2 Effect of Mismatch on Stability................................................................ 110
A.1.3 Effect of Mismatch on Supply Rejection ................................................. 111
Appendix B Series Regulator Efficiency Optimization.......................................113
B.1 Source-Follower Output Stage......................................................................... 116
Appendix C Derivative Feedback for Regulators................................................119
C.1 Deterministic Noise ......................................................................................... 119
C.2 Random Noise.................................................................................................. 123
Appendix D Non-Linear Analyses of the Push-Pull Regulator ..........................125
D.1 Limit Cycle Analysis ....................................................................................... 126
D.1.1 Describing Function Analysis .................................................................. 127
D.1.2 Direct Time-Domain Analysis.................................................................. 129
D.2 Dead-Band Scaling with Supply Voltage Noise.............................................. 132
D.3 Sliding Mode Analysis .................................................................................... 135
Bibliography..........................................................................................................139
发表于 2007-12-7 19:19:33 | 显示全部楼层
支持搂住精神,发帖子记得简要说下内容,楼主树立了榜样。
发表于 2007-12-7 19:54:44 | 显示全部楼层
看一下 !
发表于 2007-12-7 21:22:04 | 显示全部楼层
不错,Thanks!
发表于 2007-12-8 00:56:47 | 显示全部楼层
要卖钱啊,靠
发表于 2007-12-8 01:02:02 | 显示全部楼层
看看啥货色
发表于 2007-12-8 01:03:43 | 显示全部楼层
弄点钱回来
发表于 2007-12-9 20:27:23 | 显示全部楼层
发表于 2007-12-10 16:53:26 | 显示全部楼层
thank you
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