利用相位可重置合成傳輸線研究反向双模耦合器和交叉跨線

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研究生：	Taufiqqurrachman Taufiqqurrachman
論文名稱：	利用相位可重置合成傳輸線研究反向双模耦合器和交叉跨線 A study of reverse response dual mode coupler and crossover structure using phase reconfigurable synthesized transmission line
指導教授：	馬自莊 Tzyh-Ghuang Ma
口試委員:	廖文照 Wen-Jiao Liao 陳士元 Shih-Yuna Chen 楊成發 Chang-Fa Yang 馬自莊 Tzyh-Ghuang Ma
學位類別：	碩士 Master
系所名稱：	電資學院 - 電機工程系 Department of Electrical Engineering
論文出版年：	2018
畢業學年度：	106
語文別：	英文
論文頁數：	129
中文關鍵詞：	左右手合成傳輸線、雙工耦合器、交錯式結構、可重置相位合成傳輸線
外文關鍵詞：	CRLH lines, dual-mode coupler, crossover structure, phase reconfigurable STL
相關次數：	點閱：188 下載：2
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在本篇論文中吾人提出為一個逆反應雙工耦合器以及一個交錯式可重置相位合成傳輸線(PRSTL)，其中包含其設計理念、合成公式以及實測結果。逆反應雙工耦合器是以混和式左右手傳輸線(CRLH) 實現，其中每段混合式左右手傳輸線是由兩段右手勻相傳輸線以及一段左手π型網路合成，在π型網路中間段使用兩組並聯電感以及串聯電容，並控制混和式左右手傳輸線之阻抗及相位達到雙工目的
交錯式可重置相位合成傳輸線其設計理念是將兩種PRSTL放置於兩個九十度混和式耦合器之間。交錯式可重置相位合成傳輸線的關鍵在於以一段左手T型網路以及兩段右手勻相傳輸線，該左手T型網路是由兩組串聯電容以及一組並聯電感構成；藉由將兩組串聯電容以可調式電容器取代，即便兩者的特性阻抗相同；吾人仍可擁有兩種可重置的相位狀態。
根據實測結果得出，吾人之模擬與實測數據相去不遠；吾人提出之逆反應雙工耦合器在低頻時可視為一個一百八十度混和式耦合器，在高頻時可被視為一的九十度混和式耦合器；此外，交錯式可重置相位合成傳輸線在頻帶內具有良好的頻率響應以及埠對埠隔離度

This thesis presented design concept, synthesis equations and experimental results for a reverse response dual-mode coupler and crossover structure using phase reconfigurable synthesized transmission line (PRSTL). The proposed reverse response dual-mode coupler design is realized by using integration of three kinds CRLH line where each CRLH line is composed of two uniforms transmission line as a right-handed section and a left-handed π-network. The π-network part consists of two shunt inductors along with a series capacitor inserted in-between. The impedance and phase responses of the CRLH lines are controlled at both bands.
In addition, the proposed crossover structure is formed by two kinds of PRSTL in between two quadrature hybrid couplers. A key of the proposed crossover structure lies on PRSTL that consists of a left-handed T-network and two segments of a uniform transmission line as a right-handed section. The T-network is formed by two series capacitors and a shunt inductance in-between. By replacing two series capacitors with varactors diodes, the PRSTL can be reconfigured between two states whereas the characteristic impedance remains the same.
According to the experimental results, a good agreement between the simulated and measured result is presented and observed. The proposed reverse response dual-mode coupler has an acceptable performance both functioning as a 180° hybrid couplers at the low-band and a 90° hybrid couplers at the high-band. Moreover, the proposed crossover structure has a good in-band response and high port-to-port isolations for all conditions.

摘要
Abstract
Acknowledgment
Contents
List of Figures
List of Tables
Chapter 1: Introduction
1.    Motivation
2.    Literature Survey
3.    Contribution
4.    Thesis Overview
Chapter 2: Reverse Response Dual Mode Coupler
1.    Introduction
2.    Reverse Response Dual Mode Coupler
2.1.    Design Methodology and Analysis
2.2.    Design of CRLH Line A
2.2.1.    Design parameter
2.2.2.    Experimental results and validation
2.3.    Design of CRLH Line B
2.3.1.    Design parameter
2.3.2.    Experimental results and validation
2.4.    Design of CRLH Line C
2.4.1.    Design parameter
2.4.2.    Experimental results and validation
2.5.    Integration Design of All Structures
2.5.1.    Design parameter
2.5.2.    Experimental results and validation
3.    Summary
Chapter 3: Crossover Structure using Phase Reconfigurable Synthesized Transmission Line (PRSTL)
1.     Design Principle of Crossover Structure
2.     Design Principle of Phase Reconfigurable STL
2.1     -45°/0° PRSTL
2.2     0°/45° PRSTL
3.     Experimental Results and Validation
3.1     Phase reconfigurable STL
3.1.1    -45°/0° PRSTL
3.1.2    0°/45° PRSTL
3.2     Crossover Structure
3.2.1.    Delta theta ( ) = 0° conditions
3.2.2.    Delta theta ( ) = 45° conditions
3.2.3.    Delta theta ( ) = 90° conditions
3.2.4.    Delta theta ( ) = 135° conditions
3.2.5.    Delta theta ( ) = 180° conditions
3.2.6.    Discussion
4.     Summary
Chapter 4: Conclusion
1.    Summary
2.    Future Works
References
Appendix
                                

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