Design of Wide Locking Range Divide-by-4 and Triple-band Divide-by-2 Injection-Locked Frequency Divider

• Main Authors: HSU, CHE-MING, 許哲銘
• Other Authors: Sheng-Lyang Jang
• Format: Others
• Language: en_US
• Published: 2015
• Online Access: http://ndltd.ncl.edu.tw/handle/20344430673818585439

碩士 === 國立臺灣科技大學 === 電子工程系 === 103 === Abstract III 誌謝 V Table of Contents VI List of Figures VIII List of Tables XII Chapter 1 Introduction 1 1.1 Background 1 1.2 Research Motivation 2 1.3 Thesis Organization 4 Chapter 2 Principles and Design Considerations of Voltage-Controlled Oscillators.6 2.1 Introduction 6 2.2 The Oscillators Theory 8 2.2.1 Feedback Oscillators 8 2.3 The Classification of Oscillators 13 2.3.1 Ring Oscillator 13 2.3.2 LC-Tank Oscillator 15 I. Colpitts and Hartley Oscillators 19 II. Negative -Gm Oscillators 20 2.4 Varactor and Transformer Design in VCO 22 2.4.1 Capacitor Design 22 2.4.2 Varactor Design 23 2.4.3 Transformer 27 2.4.3.1 Planar transformer 29 2.4.3.2 Stacked transformer 30 2.5 The parameters of VCO 32 2.5.1 RF Center Frequency[Hz] 32 2.5.2 RF Output Signal Power [dBm] 32 2.5.3 Power Dissipation [mW] 32 2.5.4 Harmonic/spurious [dBc] 32 2.5.5 Phase Noise 33 2.5.6 Tuning Range 36 2.5.7 Tuning Sensitivity [Hz/V] 37 2.5.8 Quality Factor 37 2.5.9 Figure of Merit [dBc/Hz] 40 Chapter 3 Design of Injection Locked Frequency Divider 42 3.1 Principle of Injection Locked Frequency Divider 43 3.1.1 Locking Range 45 Chapter 4 An Ultra Wide-Locking Range Divide-by-4 Injection-Locked Frequency Divider Based on Capacitive Cross-Coupled Oscillator...............................49 4.1 Introduction 49 4.2 Ciricuit Design 51 4.3 Circuit Design using Dual-Injection MOSFETs..........................................55 4.4 Measurement results 61 Chapter 5 A Triple-band Divide-by-2 Injection-Locked Frequency Divider Using 6th-Order Resonator......................................................................................65 5.1 Introduction 65 5.2 Ciricuit Design 66 5.3 Measurement results 70 Chapter 6 A Divide-by-2 Injection-Locked Frequency Divider Using Class B Oscillator 77 6.1 Introduction 77 6.2 Ciricuit Design 79 6.3 Measurement results 85 Chapter 7 Conclusion 86 References 89