臺灣博碩士論文加值系統

CONTENTS
ABSTRACT (CHINESE) i
ABSTRACT (ENGLISH) ii
ACKNOWLEDGEMENTS iv
CONTENTS v
TABLE CAPTIONS vii
FIGURE CAPTIONS viii

CHAPTER 1 INTRODUCTION 1
1.1 Background 1
1.2 Review on the Subretinal Prostheses 4
1.3 Motivation 9
1.4 Main Results 11
1.5 Thesis Organization 13
CHAPTER 2 CHIP ARCHITECTURE AND CIRCUIT DESIGN 15
2.1 System And Chip Architecture 15
2.2 Circuit Design 21
2.2.1 Divisional Power Supply Scheme (DPSS) and Bidirectional-Sharing Electrodes (BDSEs) 21
2.2.2 Two-dimensional Equivalent Electrode Model for Cross-talk Simulation 24
2.2.3 Adaptive Background Cancellation Circuit (ABCC) and Pixel Circuit 29

2.2.4 Charge Pump Circuit [27] and Control Signal Generator [29] 35
2.3 Temperature Measurement using On-Chip NPN transistor 41
2.4 Post Simulation Results 45
CHAPTER 3 EXPERIMENTAL RESULTS 48
3.1 Measurement Results of Subretinal Chips 48
3.1.1 Measurement Setup 48
3.1.2 Measurement Results 53
3.2 In Vitro Results of Subretinal Chips 60
3.2.1 Measurement Setup 60
3.2.2 Measurement Results 62
3.3 Discussion 64
CHAPTER 4 Modified Circuit Design 68
4.1 Circuit Design 68
4.1.1 Auto-Adaptive Pixel Circuit [45] 69
4.1.2 Constant Current Stimulator (CCS) 71
4.1.3 Voltage Regulation Circuit 73
4.1.4 Phase Configuration in DPSS 75
4.2 Post Simulation Results 77
4.3 Discussion 80
CHAPTER 5 Conclusions and Future Work 81
5.1 Conclusions 81
5.2 Future Work 82

REFERENCES 83
VITA 90

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