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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 陳士元 | |
| dc.contributor.author | Shin-Yui Chang | en |
| dc.contributor.author | 張馨予 | zh_TW |
| dc.date.accessioned | 2021-06-15T05:18:51Z | - |
| dc.date.available | 2013-07-21 | |
| dc.date.copyright | 2010-07-21 | |
| dc.date.issued | 2010 | |
| dc.date.submitted | 2010-07-20 | |
| dc.identifier.citation | [1]B. Strassner and K. Chang, “Wide-band low-loss high-isolation microstrip periodic-stub diplexer for multiple-frequency applications,” IEEE Trans. Microwave Theory Tech., vol. 49, no. 10, pp. 1818-1820, Oct. 2001.
[2]S. Srisathit, S. Patisang, R. Phomlaungsri, S. Bunnjaweht, S. Cosulvit, and M. Chongcheawchamnan, “High Isolation and Compact Size Microstrip Hairpin Diplexer”, IEEE Microwave and Wireless Components Letters, Vol. 15, No. 2, pp. 101–103, Feb. 2005. [3]A. F. Sheta, J. P. Coupez, G. Tanne, S. Toutain, and J. P. Blot, “Miniature microstrip stepped impedance resonator bandpass filters and diplexers for mobile communications”, IEEE MTT-S Int. Microw. Symp. Dig., pp. 607–610, Jun. 1996. [4]E. Goron, J. P. Coupez, C. Person, Y. Toutah, H. Lattard, and F. Perrot, “Accessing to UMTS filtering specifications using new microstrip miniaturized loop-filters”, IEEE MTT-S Int. Microw. Symp. Dig., pp. 1599–1602, Jun. 2003. [5]C. M. Tsai, S. Y. Lee, C. C. Chuang, and C. C. Tsai, “A folded coupled-line structure and its application to filter and diplexer design”, IEEE MTT-S Int. Microw. Symp. Dig., pp. 1927–1930, Jun. 2002. [6]C. F. Chen, T. Y. Huang, C. P. Chou, and R. B. Wu, “Microstrip Diplexers Design with Common Resonator Sections for Compact Size, but High Isolation”, IEEE Trans. Microwave Theory Tech., vol. MTT-54, No. 5, pp. 1945-1952, May 2006. [7]H. Miyake, S. Kitazawa, T. Ishizaki, T. Yamada, and Y. Nagatom, “A miniaturized monolithic dualband filter using ceramic lamination technique for dual mode portable telephones,” IEEE MTT-S Int. Microwave Symp. Dig., vol. 2, pp. 789–792, 1997. [8]J. T. Kuo and H. S. Cheng, “Design of quasi-elliptic function filters with a dual-passband response,” IEEE Microw. Wireless Comp. Lett., vol. 14, pp. 472–474, Oct. 2004. [9]J. T. Kuo, T. H. Yeh and C. C. Yah, “Design of microstrip bandpass filters with dual-passband response,” IEEE Trans. Microw. Theory Tech., vol. 53, pp. 1331–1337, Apr. 2005. [10]D. M. Pozar, “Microwave Engineering,” 2nd ed., New York: Wiley, 1998. [11]J. S. Hong and M. J. Lancaster, “Microstrip Filters for RF/Microwave Applications,” John Wiley & Sons, Inc., 2001. [12]J. S. Hong and M. J. Lancaster, “Cross-coupled microstrip hairpin-resonator filters,” IEEE Trans. Microwave Theory Tech., vol. 46, pp. 118-122, Jan. 1998. [13]J. S. Hong and M. J. Lancaster, “Coupling of microstrip square open-loop resonators for cross-coupled planar microwave filters,” IEEE Trans. Microwave Theory Tech., vol. 44, pp. 2099-2109, Dec. 1996. [14]J. S. Hong and M. J. Lancaster, “Design of highly selective microstrip bandpass filters with a single pair of attenuation poles at finite frequencies,” IEEE Trans. Microwave Theory Tech., vol. 48, pp. 1098-1107, July 2000. [15]J. T. Kuo, M. J. Maa and P. H. Lu, “A microstrip elliptic function filter with compact miniaturized hairpin responses,” IEEE Microw. Wireless Comp. Lett., vol. 10, pp. 94–95, Mar. 2000. [16]M. Sagawa, M. Makimoto, and S. Yamashita, “Geometrical structures and fundamental characteristics of microwave stepped-impedance resonators,” IEEE Trans. Microw. Theory Tech., vol. 45, no. 7, pp. 1078–1085, Jul. 1997. [17]M. Makimoto and S. Yamashita, “Bandpass filters using parallel coupled stripline stepped impedance resonators,” IEEE Trans. Microw. Theory Tech., vol. MTT-28, no. 12, pp. 1413–1417, Dec. 1980. [18]J. D. Kraus, R. J. Marhefka, “Antennas for All Applications,” McGraw-Hill, Inc., third edition, 2003. [19]R. S. Elliott, “Antenna Theory and Design,” John Wiley & Sons, Inc., revise edition, 2003. [20]Y. Qian, W. Deal, N. Kaneda, and T. Itoh, “Microstrip-fed quasi-Yagi antenna with broadband characteristics,” Electronics Lett., vol. 34, no. 23, pp. 2194-2196, Nov. 1998. [21]R. Li, T. Wu, B. Pan, K. Lim, J. Laskar, and M. M. Tentzeris, “Equivalent-circuit analysis of a broadband printed dipole with adjusted integrated balun and an array for base station applications,” IEEE Trans. On Antennas and Propagation, vol. 57, no. 7, July 1998. [22]S. Y. Chen, I. C. Lan, and P. Hsu, “In-Line Series-Feed Collinear Slot Array Fed by a Coplanar Waveguide,” IEEE Trans. On Antennas and Propagation, vol. 55, no. 6, June 2007. | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/46614 | - |
| dc.description.abstract | 本論文主要提出了具有微小化與高隔離度特性的微帶線雙工器。它是由二個相鄰的四階交錯耦合帶通濾波器所組成，並且利用一個T型接面來將彼此相連。這些濾波器都是由四分之一波長步階式阻抗共振器所構成，除了能夠縮小面積外，還能使其擁有良好的止帶頻率響應。雖然這些濾波器兩兩相鄰很近，但是只要適當地設計T型接面，依然可以獲得良好的隔離度特性。而在所提出的雙工器中，也針對磁耦合共振器部分，探討其共用短路貫孔之可能性，並且提出了一改良設計。同時，吾人利用具有最短共振長度的四分之一波長步階式阻抗共振器來實現一尺寸最佳化之雙工器。然後，依據雙工器的設計方法，三種雙頻濾波器電路也分別被實現出來。最後，吾人亦嘗試整合前述之微帶線雙工器與平面天線，所以另外設計了二種以微帶線饋入之平面天線。
在本論文中所呈現的電路設計，包含雙工器，雙頻濾波器，微帶線饋入式天線與雙工器和微帶線饋入式天線的整合設計，也全都經由模擬與實驗量測來獲得証實。 | zh_TW |
| dc.description.abstract | A novel microstrip diplexer with a compact size and high isolation is proposed in this thesis. It is formed by two four-pole cross-coupled bandpass filters placed side by side and combined through a T-junction. The filters are designed with quarter-wave stepped-impedance resonators (SIRs) to achieve simultaneously size reduction and better control of spurious responses. Though the filters are closely placed, higher isolation can still be obtained by properly designing the T-junction. Moreover, the possibility for the magnetic-coupled SIRs in the proposed diplexer to use a common shorting via is also discussed, and a modified design is presented. An optimized design composed of quarter-wavelength SIRs with the minimum lengths is also demonstrated. Besides, based on the above design method, three types of dual-band microstrip bandpass filters are also proposed. Lastly, two microstrip-fed planar antenna designs are introduced and integrated with the proposed diplexer.
The performances of all the circuits presented, including the diplexers, dual-band filters, microstrip-fed planar antennas, and the integrated diplexer and antenna, are all verified through both simulations and measurements, and they agree well. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-15T05:18:51Z (GMT). No. of bitstreams: 1 ntu-99-R97942082-1.pdf: 2044406 bytes, checksum: b9940e46378436cf7fa5dfa65cc13b92 (MD5) Previous issue date: 2010 | en |
| dc.description.tableofcontents | CONTENTS
中文摘要..........v ABSTRACT..........vi CONTENTS..........vii LIST OF FIGURES...x LIST OF TABLES....xvii Chapter 1 Introduction..........................1 1.1 Motivation and literature survey......1 1.2 Organization..........................4 Chapter 2 Fundamentals of Coupled-Resonator Bandpass Filters and Stepped-Impedance Resonators........5 2.1 Quasi-Elliptic Function Filters.......5 2.2 Basic Theory for Coupled Resonators...7 2.2.1 Electric Coupling......................8 2.2.2 Magnetic Coupling......................9 2.2.3 Mixed Coupling.........................11 2.2.4 External Quality Factor Qe.............13 2.3 Stepped-Impedance Resonators (SIRs)...14 2.3.1 Half-Wavelength SIRs...................14 2.3.1.1 Resonance Conditions.................14 2.3.1.2 Characteristics of SIRs..............16 2.3.2 Quarter-Wavelength SIRs................19 Chapter 3 Design of Diplexers and Dual-Band Filters Using Quarter-Wavelength Stepped-Impedance Resonators......22 3.1 Microstrip Diplexers Using Quarter-Wavelength SIRs............................................22 3.1.1 Proposed Diplexer Design...............22 3.1.2 Modified Diplexer Design...............28 3.1.2 Further-Miniaturized Diplexer Design...37 3.2 Dual-Band Filters Using Quarter-Wavelength SIRs............................................43 3.2.1 Proposed Dual-Band Filter Design.......44 3.2.2 Modified Dual-Band Filter Design.......48 Chapter 4 Integration with Microstrip-Fed Planar Antennas........................................56 4.1 Microstrip-Fed Quasi-Yagi Antenna.....56 4.1.1 Integrated Balun.......................57 4.1.2 Antenna Design.........................59 4.1.3 Simulation and Measurement Results.....61 4.2 Microstrip-Fed Collinear Slot Array Antenna....66 4.2.1 Antenna Design.........................66 4.2.2 Simulation and Measurement Results.....69 4.3 Integrating Microstrip-Fed Planar Antennas with Diplexer........................................75 4.3.1 Integration of Quasi-Yagi Antenna and Diplexer........................................75 4.3.2 Integration of Slot Array Antenna and Diplexer........................................86 Chapter 5 Conclusion............................92 5.1 Summary of the Dissertation...........92 5.2 Suggestions for Future Work...........93 REFERENCES......................................95 | |
| dc.language.iso | en | |
| dc.subject | 步階阻抗共振器 | zh_TW |
| dc.subject | 雙工器 | zh_TW |
| dc.subject | Diplexer | en |
| dc.subject | Stepped-Impedance Resonators | en |
| dc.title | 以四分之一波長步階阻抗共振器實現微帶線雙工器與雙頻濾波器之設計 | zh_TW |
| dc.title | Design of Microstrip Diplexer and Dual-Band Filter Using Quarter-Wavelength Stepped-Impedance Resonators | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 98-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 陳俊雄,許博文,李學智,林育德 | |
| dc.subject.keyword | 步階阻抗共振器,雙工器, | zh_TW |
| dc.subject.keyword | Stepped-Impedance Resonators,Diplexer, | en |
| dc.relation.page | 98 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2010-07-21 | |
| dc.contributor.author-college | 電機資訊學院 | zh_TW |
| dc.contributor.author-dept | 電信工程學研究所 | zh_TW |
| 顯示於系所單位： | 電信工程學研究所 | |
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