臺灣博碩士論文加值系統

近幾年來，個人化資訊產品的應用受到廣泛的討論與重視。有別於公司產業所使用的資訊產品，個人用的資訊產品強調輕、薄、短、小。而積體電路製程技術的進步為這種訴求的實現提供了最佳的保證。由於製程的進步，單位面積可容納的電晶體數目越來越多，運作時所消耗的功率越多，當然溫度也就隨之上升。為了確保電路能穩定的運作，我們必須考慮周圍環境的溫度對電路的影響。本篇論文所探討的，就是如何設計出對溫度穩定的參考電壓源、電壓電流轉換器及壓控振盪器。此外，本文中所設計的電路均採用0.6微米互補式金氧半積體電路製程技術來實現。

In the recent years, small size, light weight, and reliable operation in any environment have become the basic requirement in the electronic products such as personal communication systems and notebooks. But smaller feature sizes, higher packing density and rising power consumption lead to dramatic temperature increases in current high-performance VLSI circuits. To achieve stable performance of circuits, we should consider the influence of the temperature variation in the circuit design. In this thesis, we focus on the performance of the voltage reference, transconductor, and voltage-controlled oscillator versus the temperature variations. And we will provide several ways to compensate the influence of temperature drift. Using these compensation circuits, the temperature-stable voltage reference, transconductor, and voltage-controlled oscillator can be obtained.

CONTENTS
CHAPTER ONE INTRODUCTION................................1
CHAPTER TWO PARAMETER OF CMOS WITH TEMPERATURE ROFILE...4
2.1 Introduction....................................4
2.2 Mobility........................................4
2.3 Threshold voltage...............................7
CHAPTER THREE POWER SUPPLY INDEPENDENT AND TEMPERATURE-STABLE
VOLTAGE REFERENCE DESIGN................................12
3.1 Preliminary....................................12
3.2 Previous works.................................14
3.2.1 A voltage divider..............................14
3.2.2 A bootstrap reference..........................16
3.2.3 A bandgap voltage reference....................18
3.2.4 A Voltage reference with enhancement/depletion pair....................................................19
3.1 Theory of the proposed voltage reference.......21
3.2 Simulation and layout works....................26
3.3 Conclusions....................................31
CHAPTER FOUR LINEAR TRANSCONDUCTOR
WITH TEMPERATURE COMPENSATION...........................32
4.1 Preliminary....................................32
4.2 Previous works.................................32
4.2.1 The differential pair transconductor...........32
4.2.2 The transconductor with
degenerating MOS resistor...............................34
4.3 The proposed transconductor with
temperature compensation................................36
4.3.1 Description of the parameters of
the composite CMOS transistor...........................36
4.3.2 Design of the proposed transconductor..........39
4.3.3 Circuits used to compensate temperature
variation...............................................42
4.4 Simulation of the proposed transconductor
circuit and layout......................................46
4.5 Conclusions....................................52
CHAPTER FIVE A TEMPERATURE-COMPENSATED
CMOS VOLTAGE-CONTROLLED OSCILLATOR......................53
5.1 Preliminary....................................53
5.2 The previous works.............................60
5.3 The proposed VCO with temperaturecompensation..63
5.4. The circuit simulations and layout work........68
5.5. Conclusions....................................73
CHAPTER SIX SUMMARY AND CONCLUSION.....................74
6.1. Conclusions....................................74
6.2. The future work................................75
REFERENCE...............................................76

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