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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 呂良鴻 | |
dc.contributor.author | Yi-Keng Hsieh | en |
dc.contributor.author | 謝易耕 | zh_TW |
dc.date.accessioned | 2021-06-15T13:46:41Z | - |
dc.date.available | 2020-11-27 | |
dc.date.copyright | 2015-11-27 | |
dc.date.issued | 2015 | |
dc.date.submitted | 2015-11-24 | |
dc.identifier.citation | [1] http://www.freescale.com/applications/automotive/adas:ADAS
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/51729 | - |
dc.description.abstract | 本篇論文針對金氧半導體汽車雷達發射機開發出具雙模與雙頻功能之電路技術。第一項技術的開發源自於達成所提出77-GHz 頻率調變連續波雷達收發機的頻率規劃。此技術藉由一個19-GHz整數N型鎖相迴路和頻率調變迴路,在無額外硬體的狀況下,可以同時產生出系統所需的19-GHz正弦波和19-19.5 GHz的頻率調變連續波。第二項技術是針對現今22–29 GHz短距脈衝波雷達和76–77 GHz長距頻率調變連續波雷達所需訊號進行設計。利用第一項技術的概念,將壓控振盪器和除頻器進行修改,並搭配注入鎖定三倍頻器的使用,系統所需的K頻段正弦載波和W頻段的頻率調變連續波可以被同時產生出來。除此之外,本篇論文也呈現了一個新型的24/77-GHz雙模功率放大器架構。藉由系統化分析此兩頻段電晶體所需的最佳負載阻抗,建立一個硬體可以被重複利用之雙頻雙路功率結合器。除此之外,此電路藉由電晶體開關的使用,將兩頻段所需的輸入匹配網路也被重新合併成同一份硬體。 | zh_TW |
dc.description.abstract | In this thesis, dual-mode and dual-band circuit techniques for CMOS automotive radar transmitter applications are developed. The first technique is motivated by facilitating the frequency planning of a novel 77-GHz FMCW transceiver architecture. By means of a 19-GHz integer-N phase-locked loop along with a frequency modulation loop, the required 19-GHz sinusoidal signal and 19–19.5 GHz FMCW frequency chirp can be generated simultaneously without excessive hardware overhead. The second technique targets on the concurrent operation for 22–29 GHz short-range pulse radar and 76–77 GHz long-range FMCW radar. Based on the previous signal generation concept, the required K-band sinusoidal carrier and W-band FMCW frequency chirp can be provided simultaneously. Besides signal generators, a novel 24/77-GHz dual-band PA topology is presented. By exploring the optimal load impedance for both bands in a systematic manner, on-chip passive devices for the output matching network is
effectively reused. As a result, a two-way power-combing scheme for dual-band operation is established. In addition, the bulky input matching networks of a 24-GHz and a 77-GHz PA are amalgamated into the same hardware by introducing MOS switches for reconfiguration. | en |
dc.description.provenance | Made available in DSpace on 2021-06-15T13:46:41Z (GMT). No. of bitstreams: 1 ntu-104-D97943015-1.pdf: 4714003 bytes, checksum: c6a612c6a0e9a45523c8e9021fd6be66 (MD5) Previous issue date: 2015 | en |
dc.description.tableofcontents | 致謝 i
摘要 iii Abstract v Contents vii List of Figures xi List of Tables xvi Chapter 1 Introduction 1 1.1 Background and Motivation 1 1.2 Thesis Organization 2 Chapter 2 Overview of Automotive Radar Systems – Fundamentals and State-of-the-Art CMOS Designs 4 2.1 Applications and Frequency Regulations 5 2.2 Radar Principles 8 2.2.1 Radar Equation 8 2.2.2 Frequency-Modulated Continuous-Wave Radar 11 2.2.3 Ultra-Wideband (UWB) Pulse Radar 20 2.3 State-of-the-Art CMOS Designs 21 2.3.1 FMCW Signal Generators 22 2.3.2 Power Amplifiers 25 Chapter 3 A 19-GHz CMOS Signal Generator for 77-GHz FMCW Radar 27 3.1 The Two-Step Frequency Conversion FMCW Radar Transceiver 28 3.2 The Proposed 19-GHz FMCW Signal Generator 31 3.2.1 Architecture Considerations 31 3.2.2 System Architecture 31 3.3 Circuit Implementations 35 3.3.1 19-GHz Phase-Locked Loop 35 3.3.2 Frequency Modulation Loop 42 3.4 Experimental Results 43 3.5 Summary 47 Chapter 4 A Concurrent Dual-Band and Dual-mode Frequency Synthesizer for Automotive Radar Systems 48 4.1 Motivation 49 4.2 The Proposed Frequency Synthesizer 51 4.2.1 System Architecture 51 4.2.2 Modes of Operation 53 4.3 Circuit Implementations 55 4.3.1 System Parameters 55 4.3.2 Voltage-Controlled Oscillator 56 4.3.3 VCO Buffer and ILFT 62 4.3.4 Divider Chain 64 4.3.5 The Remaining Circuits 67 4.4 Experimental Results 68 4.4.1 Open Loop Measurement 69 4.4.2 Initialization Mode 70 4.4.3 Frequency-Sweep Mode 74 4.5 Discussions 76 Chapter 5 A 24/77-GHz Dual-Band Power Amplifier in 90-nm CMOS Technology 78 5.1 Application Scenerio and Design Challenges 79 5.2 Background Knowledge of PA Design 80 5.2.1 Output Power Requirements 80 5.2.2 Active Device 81 5.2.3 Passive Device – On-Chip Transformers 88 5.3 The Proposed 24/77-GHz Dual-Band Power Amplifier 94 5.3.1 The Proposed Dual-Band PA Topology 94 5.3.2 77-GHz Mode 96 5.3.3 24-GHz Mode 99 5.4 Circuit Implementations 102 5.4.1 Power Stage 102 5.4.2 Transformer-Based Parallel Power Combiner 105 5.4.3 Output Switch 107 5.4.4 Dual-Band Input Matching Network 109 5.5 Simulation and Experimental Results 111 Chapter 6 Conclusion and Future Works 116 References 119 Publication List 127 | |
dc.language.iso | en | |
dc.title | 應用於金氧半導體汽車雷達發射機之雙模與雙頻電路技術 | zh_TW |
dc.title | Dual-Mode and Dual-Band Circuit Techniques for CMOS Automotive Radar Transmitter Applications | en |
dc.type | Thesis | |
dc.date.schoolyear | 104-1 | |
dc.description.degree | 博士 | |
dc.contributor.oralexamcommittee | 黃天偉,郭建男,鄭裕庭,徐碩鴻,劉怡君 | |
dc.subject.keyword | 汽車雷達,訊號產生器,功率放大器, | zh_TW |
dc.subject.keyword | automotive radar,signal generator,power amplifier, | en |
dc.relation.page | 127 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2015-11-25 | |
dc.contributor.author-college | 電機資訊學院 | zh_TW |
dc.contributor.author-dept | 電子工程學研究所 | zh_TW |
顯示於系所單位: | 電子工程學研究所 |
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ntu-104-1.pdf 目前未授權公開取用 | 4.6 MB | Adobe PDF |
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