研究生: |
謝志遠 Chih-yuan Hsieh |
---|---|
論文名稱: |
以步階阻抗共振器設計之雙頻帶濾波天線 Dual-band Filtering Antenna Design of Using Stepped-impedance Resonators |
指導教授: |
馬自莊
Tzyh-ghuang Ma |
口試委員: |
曾昭雄
Chao-hsiung Tseng 王蒼容 Chun-long Wang 廖文照 Wen-jiao Liao 王釗偉 Chao-wei Wang |
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: | 2013 |
畢業學年度: | 101 |
語文別: | 中文 |
論文頁數: | 51 |
中文關鍵詞: | 步階阻抗共振器 、帶通濾波器 、微帶天線 、雙頻帶 、操作濾波天線 |
外文關鍵詞: | Stepped-impedance resonator, bandpass filter, microstrip antenna, dual-band operation, filtering antenna |
相關次數: | 點閱:428 下載:12 |
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本論文利用多層電路板,成功以步階阻抗共振器實現一款雙頻帶濾波天線設計。雙頻帶濾波天線鮮少出現於文獻中,具有顯著之創新價值。利用此濾波天線,可將雙頻帶天線輻射體及帶通濾波器整合為單一模組,可有效縮小射頻前端所佔用之電路面積與功能區塊。
為實現該雙頻帶濾波天線,論文首先以步階阻抗共振器設計一款典型雙頻帶三階帶通濾波器,並詳細探討其設計理念、流程及實驗結果。
其次,乃進一步將該雙頻帶通濾波器之最後一階共振器,以雙頻帶微帶天線取代之,將適當設計與控制其耦合機制,以形成雙頻濾波天線。針對雙頻濾波天線之設計原理,等效電路模型、製作流程、及設計方程式,皆有詳細敘述,並佐以模擬與量測之結果驗證。
A novel dual-band filtering antenna operated at 2.45/5.8 GHz is proposed and investigated in this thesis. The proposed filtering antenna is composed of a dual-band patch antenna and two stages of half-wavelength stepped-impedance resonators. As the dual-band filtering antenna is a rare topic in the literature, it is a good topic worthy of intensive study.
To successfully develop the new dual-band filtering antenna, a typical three-pole dual-band parallel-line bandpass filter is first implemented by utilizing the half-wavelength stepped-impedance resonators. The design concept, synthesis procedure, and experimental results are carefully discussed.
Then, by replacing the last stage of the three-pole filter with a patch antenna as a low-Q resonator and appropriately adjusting the coupling mechanism, a dual-band filtering antenna is realized on three-layer PCB process. The operational principle, synthesis equations, equivalent circuit model, design procedure, and experimental results are given and discussed in detail in this thesis.
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