臺灣博碩士論文加值系統

本論文主要為使用破壞性接地面結構來製作微帶線帶通濾波器，分別利用啞鈴型、互補式隙環共振器來製作寬抑制特性帶通濾波器與微小化超寬頻濾波器。磁耦合槽線、雙開口互補式隙環共振器來改善多模態超寬頻濾波器高頻衰減度與具備寬止帶特性帶拒濾波器。本論文可分為電路設計與實作兩大部份，電路設計部份首先利用破壞性接地面改善濾波器特性或設計為帶通濾波器來決定破壞性接地面設計方式，然後利用全波模擬軟體IE3D模擬頻率響應圖來驗證設計是否可行，並由S參數計算等效電路L-C值，實作方面為利用FR4雙面電路板來製作所設計的濾波器，並利用網路分析儀量測實作元件的特性。

Defected ground structures are adopted to fabricate microstrip bandpass filters in this study. Miniaturized and wide frequency range suppressed ultra wideband bandpass filters are implemented by using dumb-bell and complementary split ring resonators. In addition, magnetic coupling slot lines and double cut complementary split ring resonators are used to improve high frequency attenuation of multi-mode ultra wideband bandpass filters. This thesis contains two parts: design of bandpass filters and their implementations.Different types of defected ground structures are used to improve the performances of the filters or used as resonators. Full wave simulator IE3D is employed to simulate the frequency responses of the designed bandpass filters. The designed filters are fabricated on FR4 substrates and the frequency responses of the implemented filters are measured by the network analyzer.

目錄
中文摘要 I
英文摘要 II
誌謝 III
目錄 IV
圖目錄 VI
表目錄 X
第一章 緒論 1
1-1 研究動機 1
1-2 論文架構 2
第二章 基本理論 4
2-1 微帶線理論 4
2-2 微帶線諧振器種類 10
2-3 濾波器規格 11
第三章 具寬抑制特性DGS帶通濾波器 14
3-1 啞鈴型 DGS基本架構 15
3-2 啞鈴型DGS帶通濾波器 16
3-3啞鈴型帶通濾波器設計流程圖 18
3-4寬抑制特性帶通濾波器 19
3-5設計寬抑制特性帶通濾波器 22
第四章具寬止帶開迴路帶通濾波器 24
4-1開迴路帶通濾波器理論 25
4-2零度饋入基本理論 28
4-3隙環共振器與互補式隙環共振器 29
4-4雙止帶隙環共振器 31
4-5雙開口槽線共振器 33
4-6寬止帶隙環共振器 34
4-7 DU-CSRR設計流程圖 35
4-8具寬止帶開迴路帶通濾波器製作 36
第五章 互補式隙環共振器之超寬頻帶通濾波器 44
5-1互補式隙環共振器高頻補償 46
5-2 CSRR帶通濾波器 47
5-3 CSRR 超寬頻濾波器 48
5-4 CSRR超寬頻實作設計 51
第六章多模態超寬頻濾波器 54
6-1設計多模態超寬頻濾波器 55
6-2多模態共振器頻寬控制 58
6-3 利用矩形DGS改善多模態超寬頻濾波器 61
6-4磁耦合槽線共振器 67
6-4-1不同DGS止帶架構 68
6-4-2 C型槽線共振器 71
6-4-3磁耦合槽線 75
6-5設計寬高頻抑制多模態超寬頻濾波器 77
第七章 結論 84
參考文獻 86

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