微型化之雙頻切換式波束成形模組

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姓名

鄧力文(Li-Wen Teng) 查詢紙本館藏

畢業系所

電機工程學系

論文名稱

微型化之雙頻切換式波束成形模組
(Miniaturized Dual-band Switched Beamforming Module)

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至系統瀏覽論文 (2026-1-14以後開放)

摘要(中)

本論文以微型化之雙頻切換式波束成形模組為設計目標，首先，提出操作於 2.45/5.8 GHz之微型化雙頻4 × 4巴特勒矩陣，設計上使用雙頻橋式T線圈取代傳輸線以同時達到微型化與雙頻化的效果，並實現於積體被動元件製程中，其晶片面積僅為5.96 mm × 6.60 mm，在5.8 GHz之電氣尺寸則為0.12λ0 × 0.13λ0。
其次，使用串並聯結構設計一2.45/5.8 GHz雙頻吸收式單刀雙擲開關，設計上亦使用雙頻橋式T線圈取代傳輸線以同時達到微型化與雙頻化的效果，並實現於砷化鎵製程中，其晶片面積為1.5 mm × 2.0 mm，在5.8 GHz之電氣尺寸為0.029λ0 × 0.039λ0。
最後，將前述之微型化雙頻巴特勒矩陣與雙頻吸收式開關整合，實現微形化之2.45/5.8 GHz雙頻切換式波束成形模組。整體電路面積為9.3 mm × 17.7 mm，在5.8 GHz之電氣尺寸為0.18λ0 × 0.34λ0，可用以控制4 × 1天線陣列，於2.45/5.8 GHz內達成切換四種波束指向的效果。

摘要(英)

In this study, miniaturized dual-band switched beamforming module is proposed. First, a miniaturized 2.45/5.8 GHz 4 × 4 Butler matrix is presented, which is achieved by using dual-band bridged-T coils to replace the λ/4 lines for circuit area reduction and dual-band operation. The proposed dual-band Butler matrix is implemented in the integrated passive device process, and the chip size is only 5.96 mm × 6.60 mm, which corresponds to an electrical size of 0.12λ0 × 0.13λ0 at 5.8 GHz.
Secondly, a 2.45/5.8 GHz absorptive SPDT switch is presented, which also employs dual-band bridged-T coils for circuit area reduction and dual-band operation. It is implemented in the GaAs pHEMT process, and the chip size is 1.5 mm × 2.0 mm, while the electrical size is 0.029λ0 × 0.039λ0 at 5.8 GHz.
Finally, a miniaturized 2.45/5.8 GHz switched beamforming module is implemented, through the integration of proposed miniaturized dual-band Butler matrix and dual-band absorptive SPDT switch. The circuit size is 9.3 mm × 17.7 mm, while the electrical size is 0.18λ0 × 0.34λ0 at 5.8 GHz. It can be used to control a 4 × 1 linear antenna array to achieve four different main beam directions.

關鍵字(中)

★ 雙頻
★ 巴特勒矩陣
★ 吸收式單刀雙擲開關
★ 波束成形

關鍵字(英)

★ Dual-band
★ Butler matrix
★ Absorptvie SPDT switch
★ Beamforming

論文目次

摘要 I
Abstract II
致謝 III
目錄 IV
圖目錄 VI
表目錄 XI
第一章緒論 1
1.1研究動機 1
1.2文獻回顧 3
1.3章節介紹 4
第二章微型化之雙頻巴特勒矩陣 5
2.1電路架構與原理 5
2.2雙頻橋式T線圈 9
2.3微型化之雙頻分支線耦合器 11
2.4微型化之雙頻相移器與跨線 17
2.5微型化之雙頻巴特勒矩陣 21
2.6電路量測與模擬結果 25
2.7結果與討論 35
第三章雙頻吸收式單刀雙擲開關 37
3.1電路架構與原理 37
3.2電晶體等效電路模型 39
3.3微型化之雙頻阻抗轉換器 45
3.4雙頻吸收式單刀雙擲開關 47
3.5電路量測與模擬結果 48
3.6結果與討論 52
第四章微型化之雙頻切換式波束成形模組 55
4.1電路架構與原理 55
4.2雙輸入埠切換式波束成形模組 56
4.3單輸入埠切換式波束成形模組 75
4.4結果與討論 91
第五章結論 92
參考文獻 94
附錄 97

參考文獻

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指導教授

林祐生(Yo-Shen Lin)

審核日期

2021-1-15

推文