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1 INTRODUCTION......................................................................................................1
1.1 Overview.............................................................................................................1
1.2 Design Goals and Specifications........................................................................3
1.3 Review of Transimpedance Amplifier Designs..................................................5
1.4 Thesis Outline.....................................................................................................6
2 BACKGROUND........................................................................................................8
2.1 Conceptual Circuit Topology..............................................................................8
2.1 Stability...............................................................................................................8
2.2 Single-Ended Design........................................................................................10
2.3 Fully Differential Design..................................................................................11
2.4 Limitations of the Traditional Design...............................................................13
3 THE CLAMPING DESIGN.....................................................................................15
3.1 Motivation.........................................................................................................15
3.2 Implementation.................................................................................................15
3.3 Design Details and Simulation Results.............................................................17
3.4 Limitations........................................................................................................21
3.5 Summary...........................................................................................................21
4 THE SHUNTING DESIGN......................................................................................23
4.1 Motivation.........................................................................................................23
4.2 Implementation.................................................................................................23
4.3 Stability.............................................................................................................25
4.4 Design Details and Simulation Results.............................................................25
4.5 Discussion and Limitations...............................................................................28
4.6 Summary...........................................................................................................30
5 DYNAMIC BIASING..............................................................................................31
5.1 Motivation.........................................................................................................31
5.2 Dynamic Biasing Using Input Stage.................................................................32
5.2.1 Implementation.........................................................................................32
5.2.2 Small Signal Analysis...............................................................................34
5.2.3 Design Details and Simulation Results.....................................................35
5.2.4 Discussion and Limitations.......................................................................38
5.2.5 Summary...................................................................................................39
5.3 Dynamic Biasing Using Output Stage..............................................................40
5.3.1 Implementation.........................................................................................40
5.3.2 Small Signal Analysis...............................................................................41
5.3.3 Design Details and Simulation Results.....................................................42
5.3.4 Limitations................................................................................................49
5.3.5 Summary...................................................................................................50
6 CONCLUSIONS.......................................................................................................51
6.1 Summary...........................................................................................................51 |
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发表于 2008-8-29 13:04:16
