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CMOS_Fractional-N_Synthesizers.Design_for_High_Spectral_Purity_and_Monolithic_Integration
非扫描版!!!
除了基本pll理论,该书还包括很多工程细节,尤其是电路方面,讲的非常细。是一本很好的关于fraction-N pll的教材
1 Introduction 1
1.1 Telecommunications: An Overview 1
1.2 Telecommunications: A Market Perception 3
1.3 Integration: Why, How and In What? 4
1.3.1 P-Words 5
1.3.2 Direct Conversion Transceivers 6
1.3.3 CMOS Technology 7
1.3.4 Trends in Research Evolution 8
1.4 The Research Book 9
1.5 The Outline of the Book 11
2 On Frequency Synthesis 13
2.1 Introduction 13
2.2 Indirect or Phase-Locked Loop Frequency Synthesizers 14
2.2.1 Phase-Lock 14
2.2.2 Phase-Lock Frequency Synthesis Fundamentals 16
2.3 The Synthesizer Data Sheet 17
2.3.1 Spectral Purity 17
2.3.1.1 Definition of Phase Noise 17
2.3.1.2 Phase Noise in a PLL 20
2.3.1.3 rms Phase Error 22
2.3.1.4 Spurious Suppression 23
2.3.2 Loop Dynamics 23
2.3.2.1 Tracking and Settling 23
2.3.2.2 Acquisition 24
2.3.3 Other Specifications 25
2.4 Introduction to PLL building blocks 25
2.4.1 The Phase Detector 25
2.4.1.1 Analog Phase Detectors 25
2.4.1.2 The EXOR Phase Detector 26
2.4.1.3 Flipflop Phase Detectors 26
2.4.1.4 The Phase-Frequency Detector 27
2.4.2 The Loop Filter 29
2.4.2.1 Second-Order PLLs 29
2.4.2.2 Third-Order PLLs 33
2.4.3 The Oscillator 33
2.4.3.1 The Xtal Oscillator 34
2.4.3.2 The Relaxation Oscillator 35
2.4.3.3 The Ring Oscillator 35
2.4.3.4 The LC Oscillator 36
2.4.3.5 Other Oscillator Types 36
2.4.4 The Frequency Divider 36
2.4.4.1 Programmable Dividers 37
2.5 Advanced PLL Frequency Synthesizers 38
2.5.1 Combining Frequency Synthesizers 39
2.5.2 Fractional-N Frequency Synthesizers 40
2.6 Frequency Synthesis for the DCS-1800 System 41
2.6.1 A Fully Integrated DCS-1800 Transceiver 41
2.6.2 The DCS-1800 Communication System 43
2.6.3 From DCS-1800 to Synthesizer Specifications 44
2.6.3.1 From Bit-error Rate to Signal-to-Noise Ratio 44
2.6.3.2 Phase Noise 46
2.6.3.3 Spurious Suppression 46
2.6.3.4 rms Phase Error 48
2.6.3.5 Dynamic Performance 49
2.6.3.6 Specification Summary 50
2.7 Conclusion 50
3 High-Speed CMOS Prescalers 53
3.1 Introduction 53
3.2 The Phase-Switching Dual-Modulus Prescaler 54
3.2.1 Conventional Architecture 54
3.2.2 The Phase-Switching Architecture 56
3.3 A Single-Ended 1.5 GHz 8/9 Dual-Modulus Prescaler in
CMOS 58
3.3.1 The High-Speed Divide-by-2 D-flipflop 58
3.3.2 The Half-speed Divide-by-2 D-flipflop 60
3.3.3 Phase Noise Considerations 61
3.3.4 Experimental Results 63
3.3.4.1 General Results 63
3.3.4.2 Phase Noise Results 65
3.3.4.3 Design Issue: The Quadrature Accuracy 67
3.4 A Single-ended 1.8 GHz 8/9 DMP in
“Radiation Hardened” BiCMOS
67
3.4.1 The Circuit Implementation 67
3.4.2 Experimental Results 70
3.5 A 1.8 GHz 16-modulus /64-/79 Prescaler in
CMOS 71
3.5.1 The Divide-by-2 Flipflops 71
3.5.2 The Multi-Modulus Implementation 73
3.5.3 Experimental Results 74
3.6 A 12 GHz /128 Prescaler in
CMOS 75
3.6.1 Introduction 75
3.6.2 The Circuit Implementation 76
3.6.2.1 The High-Speed Divide-by-2 Flipflop 76
3.6.2.2 The Divide-by-128 Prescaler 77
3.6.2.3 The Input Section 78
3.6.3 Experimental Results 79
3.7 Conclusion 82
4 Monolithic CMOS LC-VCOs 85
4.1 Introduction 85
4.2 General Oscillator Theory 86
4.3 A Design-Oriented Non-Linear Phase Noise Theory 88
4.3.1 The Theory 88
4.3.1.1 Modeling of the Non-linear Active Element 88
4.3.1.2 Phase Noise Analysis 90
4.3.2 Comparison with Other Published Theories 93
4.4 Integrated LC-tanks in CMOS 95
4.4.1 Introduction 95
4.4.2 Integrated Planar Inductors in Standard CMOS 96
4.4.2.1 First Order Planar Inductor Model 96
4.4.2.2 Losses in Integrated Planar Inductors 97
4.4.2.3 The Simulator-Optimizer 101
4.4.2.4 The Balanced Octagonal Inductor and Its Model 103
4.4.3 Integrated Varactors in Standard CMOS 105
4.5 The VCO Circuit Design 107
4.5.1 General VCO Circuit Design 107
4.5.2 Bipolar or CMOS? 109
4.5.3 The Power Efficiency of VCO Circuits 110
4.5.3.1 Hand Calculation MOS Model 110
4.5.3.2 Complementary MOS or xMOS-only VCO? 112
4.5.3.3 NMOS-only or PMOS-only VCO? 113
Phase Noise Mechanisms and Minimization 1134.5.4
4.6 Implementations 116
4.6.1 A 2 GHz Low-Phase-Noise LC-VCO Set with Flicker Noise Minimiza-tion in
(Bi)CMOS 116
4.6.1.1 Inductor Design 116
4.6.1.2 VCO Design with Flicker Noise Minimizaion 118
4.6.1.3 Experimental Results 120
4.6.1.4 Extremely Low-Phase-Noise Measurement at 2.02 GHz: -132.5 dBc/Hz at 600 kHz and No Flicker Noise Upconversion !! 123
4.6.2 A 1.8 GHz Highly-Tunable Low-Phase-Noise VCO in
CMOS
125
4.6.2.1 Inductor Design 125
4.6.2.2 VCO Design 125
4.6.2.3 Experimental Results 128
4.6.2.4 Quadrature Operation 129
4.7 Comparison with Published State-of-the-Art VCOs 130
4.8 Conclusion 133
5 Monolithic Phase-Locked Loops 137
5.1 Introduction 137
5.2 Loop Filter Topology Selection 138
5.2.1 Charge Pump PLL 139
5.2.2 Fourth-Order PLL 141
5.3 Dual-Path Fourth-Order PLL 142
5.3.1 Dual-Path Filter Topology 143
5.3.2 Transfer Functions 144
5.3.2.1 Open Loop Gain 144
5.3.2.2 Charge Pump Noise 145
5.3.2.3 Loop Filter Noise 146
5.3.3 Filter Optimization 147
5.3.4 Conventional Versus Dual-Path Topologies 152
5.4 The PLL Building Block Circuits 153
5.4.1 The 3-step Equalizer Circuit 153
5.4.2 The Loop Filter Circuit 155
5.5 Experimental Results 156
5.6 Conclusion 161
6 A 1.8 GHzCMOS
Fractional-N Frequency Synthesizer 163
6.1 Introduction 163
6.2 The Fractional-N Principle 164
6.3 Conventional Fractional Compensation Methods 167
6.3.1 The Analog Phase Interpolator 167
6.3.2 The Fractional Divider 168
6.4
Modulation in Fractional-N Synthesis 169
6.4.1 Introduction 169
6.4.2 The Accumulator as Noise-Shaping Quantizer 169
6.4.3 General
Modulator Theory 170
Modulators with DC-inputs 1726.4.4
6.5
Modulators for Fractional-N Synthesis
6.5.1 The MASH Modulator
6.5.2 The Multi-Bit, Single-Loop
Modulator
6.6 The Theoretical
Phase Noise Analysis
6.6.1 The Out-of-Band
Phase Noise
6.6.2 The
rms Phase Error
6.7 A Fast Non-Linear
Phase Noise Analysis Method
6.7.1 The Analysis Method
6.7.2 Analysis Results
6.7.3 Analysis Results: The Origin of Spurious Tones
6.8 The Fractional-N Synthesizer Circuit Design
6.8.1 The Phase-Frequency Detector
6.8.2 The Charge Pumps
6.8.2.1 The Spurious Suppression
6.8.2.2 The Gain Mismatch
173 174 175 178 179 183 185 186 189 195 197 198 200 201 204
6.9 Experimental Results 205
6.9.1 Measurement Setup 205
6.9.2 Measurement Results 207
6.9.3 Comparison with Published
Fractional-N Synthesizers 215
6.10 Conclusion 218
7 Conclusions 221
7.1 A 2V CMOS Cellular Transceiver Front-End 221
7.2 Main Contributions and Achievements 225
7.3 Epilogue 227 |
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