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研究生:陳明宗
研究生(外文):CHEN, MING-TZUNG
論文名稱:寬頻具濾波效果之功率分配器與寬頻帶通濾波器之設計
論文名稱(外文):Design of A Microstrip Filtering Power Divider With A Wide Passband and Broad Stopband and Wideband Bandpass Filter
指導教授:湯敬文
指導教授(外文):TANG, CHING-WEN
口試委員:張志揚王健仁李建育湯敬文
口試委員(外文):CHANG, CHI-YANGWANG, CHIEN-JENLI, JIAN-YUTANG, CHING-WEN
口試日期:2017-06-26
學位類別:碩士
校院名稱:國立中正大學
系所名稱:電機工程研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2017
畢業學年度:105
語文別:中文
論文頁數:76
中文關鍵詞:寬頻功率分配器諧波抑制步階阻抗帶通濾波器寬頻
外文關鍵詞:Broadbandpower dividerHarmonic suppressionStepped impedancebandpass filter
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  本論文分成兩個部分,第一部分介紹寬頻及寬截止頻之功率分配器,在此所提及之功率分配器首先是由兩段四分之一波長之耦合線以及一開路殘段形成一多模態諧振腔做為出發,以此架構可得到寬頻的效果,之後為了再加以匹配,在輸入埠加入L-type傳輸線加以匹配至最佳狀態,最後再加入電阻,改善兩輸出埠之間的隔離度,最後為了要達到寬諧波抑制,將前段之四分之一波長的耦合線,用三段等長之步階式耦合線來取代,以達到諧波抑制之功效。
  而在第二部分介紹寬頻帶通濾波器,利用四個類環型諧振腔來達到寬頻的特性,而藉由適當的選取每個諧振腔之電氣長度,可將諧波往後推移,利用耦合係數法來進行設計,可計算出類環型諧振腔之耦合間距。

  The thesis includes two parts, the first part will introduce the microstrip filtering power divider with a wide passband and broad stopband. In this part, I use quarter-wavelength coupled line and a open-stub to be a muti-mode resonator. This structure can be a broad band performance. In input port, I use L-type transmission line(TL) to match this circuit and add resistor to improve isolation of two output port. Finally, we want to achieve harmonic suppression. I use three equal length stepped couple line to replace quarter-wavelength coupled line at input port.
  In the second part, I will introduce the wideband bandpass filter at chapter 4. By using four pseudo-hairpin-line resonator to achieve broadband performance and using coupling coefficient method to get coupling gap of each resonators.

致謝 I
摘要 II
Abstract III
目錄 IV
圖目錄 VI
表目錄 IX
第一章 緒論 1
1-1 研究動機 1
1-2 文獻探討 2
1-3 論文架構 2
第二章 傳輸線和耦合線理論分析 3
2-1 ABCD矩陣 3
2-2二埠網路的奇偶模態電路分析法 5
2-3傳輸線之S參數理論分析 6
2-4步階阻抗諧振腔之分析 10
   2-5耦合線之S參數理論分析 16
   2-6耦合係數法設計流程 21
第三章 寬頻具濾波效果之功率分配器 30
3-1簡介 30
3-2 威金森功率分配器分析 30
3-3寬頻具濾波效果之功率分配器架構 34
3-4電路架構以及設計步驟 34
3-5奇偶模態電路分析法 42
3-6寬頻具濾波效果之功率分配器模擬與量測 55
     3-6-1設計實例(一) 55
3-6-2設計實例(二) 57
   3-6-3設計實例(三) 59
第四章 寬頻帶通濾波器 61
4-1簡介 61
4-2耦合係數法設計帶通濾波器之流程 62
4-3寬頻帶通濾波器之等效電路架構 63
4-4類髮夾型諧振腔分析 65
4-5使用耦合係數髮設計類髮夾寬頻帶通濾波器 67
4-6設計實例模擬與量測結果 70
第五章 結論 72
參考文獻 73


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