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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/38022
標題: | V頻段雙模矩形環狀濾波器之設計 Design of Dual-Mode Rectangular Ring Filter on V-band |
作者: | Chien-Hsien Lee 李建賢 |
指導教授: | 黃天偉 |
關鍵字: | 濾波器,環狀,雙模,V頻段,室內無線通訊, Filter,Dual-Mode,Ring,V-Band,indoor wireless, |
出版年 : | 2007 |
學位: | 碩士 |
摘要: | 在本論文中,提出了新型的矩形環狀濾波器,此新型濾波器是利用矩形的轉角寄生電容以實現傳統環形結構所無法達成之 V 頻段濾波器,並建立該濾波器的等效模型,且進行參數的分析。我們以
RO4003C 此板材來設計該濾波器在微帶線以及帶線架構上,微帶線 的實作結果在通帶頻段的插入損耗約-1.48dB、返回損耗最低為 -19.2dB;在帶線架構中,也利用低溫共燒陶瓷(Low Temperature Co-fired Ceramic, LTCC)之技術去實現,其實作結果在通帶頻段的插入損耗約-3.8dB、返回損耗皆小於-8.8dB。 此外,也設計適合各架構的轉接以及貫穿-反射-傳輸線段校正元件(Thru-Reflect Line, TRL calibration),並利用理論與實作結果驗證了所提出之濾波器架構的正確性及可行性。 In this thesis, we present the novel rectangular ring filter. This novel filter utilizes parasitic capacitance from discontinuous corner to achieve the band pass filter that the traditional ring structure can not achieve in V-band. Also, we build the equivalent model and analyze the parameter of the rectangular ring filter. We design the filter on microstrip line and stripline structure by substrate, RO4003C. In microstripline structure, the insertion loss from measurement is -1.48dB and the minimum return loss is -19.2dB. In stripline structure, we also use LTCC to realize the rectangular ring filter. The insertion loss from measurement is -3.8dB and the return loss is below -8.8dB. In addition, we design GCPW to stripline transition and the TRL calibration components for measurement. The theory results have a good agreement with measurements, which demonstrate the validity and feasibility of the proposed filter designs. |
URI: | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/38022 |
全文授權: | 有償授權 |
顯示於系所單位: | 電信工程學研究所 |
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ntu-96-1.pdf 目前未授權公開取用 | 3.96 MB | Adobe PDF |
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