基於基板合成波導半模共振器之三工器與雙工威爾金森功率分波器

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姓名

陳泓佑(Hung-Yu Chen) 查詢紙本館藏

畢業系所

電機工程學系

論文名稱

基於基板合成波導半模共振器之三工器與雙工威爾金森功率分波器
(Triplexer and Diplexing Wilkinson Power Divider Based on Half-mode SIW Cavity)

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至系統瀏覽論文 (2026-1-31以後開放)

摘要(中)

本論文提出了基於基板合成波導半模共振器的微小化三工器與雙工三頻帶威爾金森功率分波器的設計。文中三工器與功率分波器分別利用基板合成波導半模三模態與雙模態共振器做為第一級共振電路，透過給予適當的長寬比，使得半模共振器的前三個共振模態分別為TE101、TE301與TE102。其中，在三工器中，半模共振器之TE101及TE301的操作頻率可以透過調整共振器之長寬比加以控制，使其分別操作於3 GHz和4.5 GHz，並利用上層金屬之微擾槽孔獨立控制半模共振器的TE102模態，使其操作於3.75 GHz，再透過結合半模及四分之一模單模態腔體，達到良好的止帶表現以及微小化的效果。另外，雙工功率分波器的部分則是利用半模共振器的前兩個模態，TE101及TE301，分別操作於3 GHz和4.5 GHz，在兩個頻率下透過單輸入雙輸出的電路結構，達到功率分波的效果，並且在輸出之間加上100歐姆電阻以提高通帶內隔離度。最後，透過在雙工功率分波器的高頻頻道加上帶止共振器，在通帶內加入傳輸零點，使原本的單通帶響應分割為雙通帶響應，進而達到雙工三頻帶功率分波的效果，最終實現單層多種電路特性結合之電路，而三個通帶的中心頻率分別是3 GHz、4.25 GHz和4.55 GHz，零點位置則在4.4 GHz。本論文皆對所有電路提供量測數據與模擬結果之比較。

摘要(英)

This thesis presents compact triplexer and diplexing tri-band Wilkinson power divider based on substrate integrated waveguide half-mode resonator. The proposed triplexer and power divider respectively utilize a substrate integrated waveguide half-mode triple-mode and a dual-mode resonator as the first order resonant cavity. By properly giving the length and width of the resonator, the first three modes of the resonator would be TE101、TE301 and TE102 mode. For the triplexer, the operating frequencies of TE101 and TE301 mode, which are controlled by the width and length of the resonator, are at 3 GHz and 4.5 GHz, and by utilizing perturbation slot at the top metal layer, the operating frequency of TE102 mode can be controlled individually, which is designed at 3.75 GHz. The triplexer features compact size and good stop band performance by combining half-mode and quarter-mode cavity. On the other hand, the proposed diplexing power divider utilize the first two modes, TE101¬ and TE301, which are operating at 3 GHz and 4.5 GHz, respectively. By the structure of single input and double output which implement the power division at both channel, and by placing resistors of 100-ohm between output ports to obtain good in-band isolations. Finally, by adding bandstop resonators at the second channel to introduce an extra transmission zero, it separates the single-band response at the higher frequency into a dual-band response to implement a diplexing tri-band power divider, which features a component of single layer of multi-functional combination. Three passbands are located at 3 GHz、4.25 GHz and 4.55 GHz, respectively. A transmission zero is set to be at 4.4 GHz. To validate the design concept, the proposed triplexer and power divider are designed, fabricated and measured.

關鍵字(中)

★ 基板合成波導
★ 三工器
★ 功率分波器

關鍵字(英)

★ SIW
★ Triplexer
★ Power Divider

論文目次

目錄
摘要 i
Abstract ii
致謝 iii
目錄 iv
圖目錄 vi
表目錄 ix
第一章緒論 1
1-1 濾波器簡介 1
1-2 研究動機 3
1-3 相關研究 4
1-3-1 三工器文獻回顧 4
1-3-2 功率分波器文獻回顧 5
1-4 章節概述 5
第二章基板合成波導簡介 6
2-1半模與四分之一模基板合成波導 6
2-2基板合成波導轉接結構 9
第三章基板合成波導微型化三工器 11
3-1 三工器原理與架構 11
3-1-1 半模三模態共振器之微擾槽孔分析 11
3-1-2 微擾槽孔對頻率的影響 15
3-2 三工器設計 17
3-2-1 參數萃取 17
3-2-3 三工器電路配置 20
3-3 三工器模擬與量測 22
第四章基板合成波導威爾金森功率分波器 28
4-1威爾金森功率分波器 28
4-2 雙工威爾金森功率分波器設計 30
4-2-1參數萃取 31
4-2-2 電路配置 34
4-3 雙工威爾金森功率分波器模擬與量測 35
4-4三通帶雙工威爾金森功率分波器設計 41
4-4-1參數萃取 41
4-4-2電路配置 41
4-5三通帶威爾金森功率分波器模擬與量測 43
第五章結論 49
第六章參考文獻 50

圖目錄
圖1-1-1射頻外插式接收機系統方塊圖。 1
圖1-1-2帶通濾波器的頻率響應示意圖。 2
圖1-2-1不同共振結構之成本、損耗和體積關係圖[1]。 3
圖2-1-1 矩形波導三維示意圖。 6
圖2-1-2 全模基板合成波導共振器。(a)三維示意圖、(b)俯視圖。 7
圖2-1-3 半模基板合成波導共振器俯視圖。 8
圖2-1-4 四分之一模基板合成波導共振器俯視圖。 9
圖2-2-1電場分布圖。(a)矩形波導、(b)微帶線 10
圖2-2-2 轉接電路[30][31]。(a)槽孔式轉接電路、(b)錐形轉接電路 10
圖3-1-1 三工器電路架構圖 11
圖3-1-2 TE101模態。 (a)電場分布圖、(b)表面電流分布圖 12
圖3-1-3 TE301模態。(a)電場分布圖、(b)表面電流分布圖 12
圖3-1-4 TE102模態。(a)電場分布圖、(b)表面電流分布圖 13
圖3-1-5 TE101模態。 (a)電場分布圖、(b)表面電流分布圖 13
圖3-1-6 TE301模態。(a)電場分布圖、(b)表面電流分布圖 14
圖3-1-7 TE102模態。(a)電場分布圖、(b)表面電流分布圖 14
圖3-1-8 半模基板合成波導共振器頻率分布[32]。 15
圖3-1-9 半模三模態基板合成波導共振器結構。 16
圖3-1-10 共振頻率與s關係圖。 16
圖3-2-1 電路配置圖。 18
圖3-2-2 外部品質因數對t的變化。 18
圖3-2-3 電路配置。 19
圖3-2-4 3GHz下之耦合曲線。 20
圖3-2-5 電路配置。(a) 3GHz、(b)3.75 GHz、(c) 4.5 GHz 21
圖3-3-1 三工器耦合拓樸圖。 22
圖3-3-2 三工器電路圖。 22
圖3-3-3 電路實作圖。 23
圖3-3-4 模擬與量測結果比較圖。(a) |S11|, |S21|, |S31|,和|S41|、(b) |S23|, |S24|,和|S34| 24
圖3-3-5電場分布圖。(a) 3GHz、(b)3.75 GHz、(c) 4.5 GHz 26
圖4-1-1 威爾金森分波器。(a)微帶線威爾金森分波器、(b)等效傳輸線模型 28
圖4-1-2 阻抗正規化威爾金森功率分波器。 28
圖4-1-3威爾金森功率分波器半電路架構。(a)偶模輸入、(b)奇模輸入 29
圖4-1-4 省略電阻之威爾金森功率分波器。 30
圖4-2-1 第一級共振器。 31
圖4-2-2 電路配置圖。 32
圖4-2-3 3 GHz下外部品質因數。(a)改變a、(b)改變b 32
圖4-2-4 4.5下外部品質因數。(a) 改變a、(b)改變b 33
圖4-2-5 功率分波器電路配置。(a) 3 GHz、(b) 4.5 GHz 34
圖4-3-1 雙工功率分波器拓樸。 35
圖4-3-2 雙工功率分波器電路圖。 36
圖4-3-3實作電路圖。 36
圖4-3-4 模擬與量測結果比較圖。(a) |S11|、|S21|、|S31|、|S41|和|S51|、(b) |S24|、|S25|、|S34|和|S35| 37
圖4-3-5 3 GHz模擬與量測。(a)振幅差與相位差、(b)通帶內隔離度 38
圖4-3-6 4.5 GHz模擬與量測。(a)振幅差與相位差、(b)通帶內隔離度 38
圖4-3-7 電場分布圖。(a) 3 GHz、(b) 4.5 GHz 40
圖4-4-1 電路配置圖。(a)第一通道、(b)第二和第三通道 42
圖4-5-1 三通帶雙工功率分波器拓樸。 43
圖4-5-2 雙工功率分波器電路圖。 43
圖4-5-3 電路實作圖。 44
圖4-5-4 模擬與量測結果比較圖。(a) |S11|、|S21|、|S31|、|S41|和|S51|、(b) |S24|、|S25|、|S34|和|S35| 45
圖4-5-5 3 GHz模擬與量測。(a)振幅差與相位差、(b)通帶內隔離度 46
圖4-5-6 4.25、4.55 GHz模擬與量測。(a)振幅差與相位差、(b)通帶內隔離度 46
圖4-5-7 零點電場分布圖。 48

表目錄
表3-3-1 三工器尺寸表 23
表3-3-2 模擬與量測比較表 25
表3-3-3 三工器比較表 27
表4-3-1 雙公功率分波器尺寸表 36
表4-3-2 第一通帶模擬與量測比較表 39
表4-3-3 第二通帶模擬與量測比較表 39
表4-5-1 三通帶雙工功率分波器尺寸表 44
表4-5-2 第一通帶模擬與量測比較表 47
表4-5-3第二與第三通帶模擬與量測比較表 47
表4-5-4 功率分波器比較表 48

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指導教授

凃文化(Wen-Hua Tu)

審核日期

2024-1-18

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