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標題: 利用多殘段匹配技術設計微波濾波器
Design of Microwave Filters Using Multi-stub Matching Technique
作者: 林宏勳
Lin, Hung-Hsun
關鍵字: filter;濾波器;multi-stub;match;low-temperature co-fired ceramics;多殘段;匹配;低溫共燒陶瓷
出版社: 電機工程學系所
引用: [1] D.M. Pozar,Microwave Engineering,3rd ed. John Wiley&sons,2005. [2] G. L. Matthaei, L. Young, E. M. T. Jones “Microwave Filters, Impedance-matching networks, and Coupling Structures” Artech House, 1980. [3] K.C. GUPTA,Ramesh GARG,Inder BAHL,Prakash BHARTIA, Microstrip Lines and Slotlines[M].Bos ton:ARTECH HOUSE,INC.,1996. [4] Atwood, W. Sr. , Stinehelfer, H. E. ,“A Multistub Filter for Microstripline”Solid-State Circuits,IEEE Journal of Volume 3, Issue 2, Jun 1968 Page(s):139-142 [5] Albert Sutono, Deukhyoun Heo, Yi-Jan Emery Chen, and Joy Laskar, “High-Q LTCC-Based Passive Library for Wireless System–on -Package (SOP) Module Development.” IEEE TRANSACTIONS ON MIC- ROWAVE THEORY AND TECHNIQUES, VOL. 49, NO. 10, OCTOBER 2001. [6] Sunderarajan S. Mohan, Maria del Mar Hershenson, Stephen P. Boyd, and Thomas H. Lee, “Simple Accurate Expressions for Planar Spiral Inductances” IEEE JOURNAL OF SOLID-STATE CIRCUITS, VOL. 34, NO. 10, OCTOBER 1999. [7]Tsung-Nan Kuo, Yo-Shen Lin, Chi-Hsueh Wang, and Chun Hsiung Chen, “A Compact LTCC Branch-Line Coupler Using Modified-T Equival- ent-Circuit Model for Transmission Line.”IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, VOL. 16, NO 2, FEBRUARY 2006. [8]宋澤世,楊勝巖,江文榮“ BT基板中埋入式被動元件之設計與分析 ”矽品精密/開發處 [9]方士庭,“應用於高頻無線通訊之多層低溫共燒陶瓷(LTCC)的設計技術”中華民國陶業研究學會會刊第二十一卷 第四期 [10]林鴻欽,“多層低溫共燒陶瓷製程技術”中華民國陶業研究學會會刊第二十一卷第四期 [11]向性一,“多層陶瓷之堆疊及疊壓技術”中華民國陶業研究學會會刊第二十二卷 第一期 [12]胡慶利,李文熙,“低溫陶瓷共燒技術在無線通訊市場之應用與趨勢.”中華民國陶業研究學會會刊 第二十二卷 第三期 [13]
阻抗與導納 J反轉子阻抗匹配。當多殘段阻抗匹配在相同阻抗值時,其微帶線將得到新的長度值。本論文將利用這些改變藉著多
在實務設計上,採用LTCC(Low-AemperaAure co-Bired Ceramics)

Three kinds of design methods for lowpass filters and highpass filters are presented in the thesis. Three kinds of microwave filters are the A-type, B-type and C-type separately. The A-type filter is only suitable for the odd orders. The B-type filter is only suitable for the even orders. The C-type filter is suitable for the odd orders and even orders. Due to the limitation of PCB board fabrication. This thesis concentrates on matching by changing multi-stub impedances in the research .
This work demonstrates three kinds of design formula in filters design and further discuss the impedance match of the multi-stub impedance and the admittance J inverters. The microstrip line obtain a new length value when the multi-stub impedances are matched at the same value. Therefore, a novel filter can be designed by adjusting the multi-stub impedance value.
Afterward the work further discusses the variation of the multi-stub impedance. The simulation results show that the insertion loss and the return loss have obvious improvement. During the increase of impedance value, the attenuation performances of the filter become sharply.
Practically, the designed lowpass and highpass filters are made by LTCC (low-temperature co-fired ceramics) process. At last, the thesis would demonstrate that the simulation results and the measurement results are identical.
其他識別: U0005-0108200702284500
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