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研究生:宋南昌
研究生(外文):NAN-CHANG SUNG
論文名稱:微帶線介電共振濾波器與PBG結構之研究
論文名稱(外文):Microstrip Dielectric Resonator Filter with the Photonic Bandgap Structures
指導教授:孫卓勳孫卓勳引用關係
指導教授(外文):JWO-SHIUN SUN
學位類別:碩士
校院名稱:國立臺北科技大學
系所名稱:電腦通訊與控制研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2001
畢業學年度:89
語文別:英文
論文頁數:79
中文關鍵詞:介電共振器介電共振濾波器雜波混模
外文關鍵詞:DIELECTRIC RESONATOR(DR)DIELECTRIC RESONATOR FILTER(DRF)SPURIOUS MODEPHOTONIC BANDGAP
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在微波頻帶時,一般的集總元件已不敷使用,故而發展出許多分散元件設計之微波電路。介電共振器(Dielectric Resonators, DRs)其具有高介電常數、低介電損失、高Q值,及良好的頻率溫度系數,故而廣泛的應用在微波電路上。介電共振濾波器(Dielectric Resonator Filter, DRF)乃介電共振器與微帶線(microstrip)電路合製而成,由於DR一般為圓柱型,故由電磁理論知道其最低共振mode多為HEM mode,本論文將以最高Q值的TE mode為主要共振mode,並依此設計出濾波器。主要結構以兩顆DR置放在金屬共振腔中並以微帶線作為輸入的耦合機構,TE mode是以磁場作耦合,但在DR中的共振頻率並不只有TE mode,尚有許多的high order mode,而這些高頻的耦合頻率即變成雜訊,如何抑制這些雜波混模(spurious mode)即為DR filter的主要研究方向。
本論文以PBG(photonic bandgap)結構來作抑制雜訊的工作,主要是在微帶線的結構下之接地面製造出周期性孔洞,以之得到帶拒的效果,將雜波混模抑制至 -15dB以下,得到特性良好的濾波器。PBG結構有許多種實現的方法,本論文將在微帶線接地面蝕刻出周期性的孔洞,由於其stopband的頻率控制容易、頻寬大等特性,應用在微波元件上將會成為趨勢,本論文以Ansoft HFSS作3D電磁場模擬介電共振濾波器及不同PBG結構,並實作DR filter和PBG來達成特性良好的濾波器。

At microwave frequency band, general lump elements are inadequate for general usage. Many microwave elements are developed to be used at high frequency band. Dielectric resonators (DRs) , which have low dielectric loss, high Q value and well frequency temperature coefficient are extensively used in many microwave circuits. Due to the cylindrical shape of dielectric resonators, the lowest resonant mode is HEM mode. In this thesis, TE mode that has the highest Q is selected to design the DR filter. The DR filter consisted of two dielectric resonators placed inside a resonant cavity, and microstrip is used as the coupling mechanism. Since many modes are excited in a DR filter, the higher excited modes turn into spurious modes which contributed to interferences. It is than an important issue in designing ways to suppress spurious responses.
In this thesis, PBG structures cascaded to the DR filter are designed to suppress the spurious responses. PBGs consisted of microstrip structures with etched holes on the ground plane. PBGs have the characteristics of wide and deep stopband. To cascade the designed DRF and PBGs may suppress the spurious responses by at lower -15 dB. Due to the wide range and easy fabrication at stopband, PBG structures have been proposed as a novel mean for accomplishing the suppressing by providing a broad rejection band.

摘要……………..iii
ABSTRACTiv
CONTENTSv
FIGURES CAPTIONSvii
TABLE CAPTIONSiii
Chapter 1.….1
INTRODUCTION1
Chapter 2.….3
BASIC PRINCIPLES3
2.1 An Overview of Dielectric Resonator3
2.2 The Q Factor of DRs5
2.3 Wave Equation of Cylindrical DR6
2.4 Modes of the DR9
2.5 DR Coupled to a Microstrip Line20
2.6 Photonic Bandgap Structures25
Chapter 3.….30
EXPERIMENTAL PROCEDURES AND MEASUREMENT TECHNIQUES30
3.1 Permittivity Measurement30
3.2 Fabrication Technique of DR Filters33
3.3 Fabrication Technique of Photonic Bandgap Structure36
Chapter 4.….37
RESULTS AND DISCUSSION37
4.1 The Measurement of Dielectric Constant37
4.2 Simulated Results of DR Filter44
4.3 Simulated Results of PBG Structures46
4.4 Experimental Results of DR Filters53
4.5 Experimental Results of PBG Structures55
4.6 Combinations of a DR Filter With PBG Structures63
Chapter 5.….66
CONCLUSION66
References…67
APPENDIX71

[1]Yu Ji, X. Steve Yao, and Lute Maleki, “High-Q Whispering Gallery Mode Dielectric Resonator Bandpass Filter with Microstrip Line Coupling and Photonic Bandgap Mode-Suppression,” IEEE Microwave Guided Wave Lett. Vol. 10, pp. 310-312, Aug. 2000
[2]黃耀諒, “The Study of Microwave DR Bandpass Filters,” 國立台北科技大學機電整合研究所碩士論文, 1999
[3]Darko Kajfez and Pierre Guillon, Dielectric Resonators, Artech House, 1986.
[4]Vesna Radisic, Yongxi Qian, Roberto Coccioli, and Tatsuo Itoh, “Novel 2-D Photonic Bandgap Structure for Microstrip Lines,” IEEE Microwave Guided Wave Lett. Vol. 8, pp. 69-71, Feb. 1998
[5]Ian Rumsey, Melinda Piket-May, and P. Keith Kelly, “Photonic Bandgap Structures used as Filter in Microstrip Circuits,” IEEE Microwave Guided Wave Lett. Vol. 8, pp. 336-338, Oct. 1998
[6]Taesun Kim and Chulhum Seo, “A Novel Photonic Bandgap Structure for Low-Pass Filter of Wide Stopband,” IEEE Microwave Guided Wave Lett. Vol. 10, pp. 13-15, Jan. 2000
[7]Richtmyer R. D., “Dielectric Resonators,” J. Appl. Phys., Vol. 10, pp. 391 ~ 398, January 1939
[8]David K. Cheng, Field and Wave Electromagnetics, Addison Wesley, 1989
[9]Y. J. Chen, “A study and Fabrication of the Coaxial Dielectric Filter,” Thesis of Department of Electrical Engineering, National Cheng Kung University, 1990.
[10]Roger F. Harrington, Time-Harmonic Electromagnetic Field. McGraw-Hill, Inc. 1961.
[11]Jwo-Shiun Sun, “Preparation and Analysis for Microwave DRs and a Highly-Stable RTDRO,” Thesis of Department of Electrical Engineering, National Cheng Kung University, 1992.
[12]S. B. Cohn, “Microwave Bandpass Filters Containing High Q Dielectric Resonators,” IEEE. Trans. MTT., MTT-16, pp. 218 ~ 227, April 1968.
[13]S. B. Cohn, “Microwave Filters Containing High Q Dielectric Resonators,” IEEE. MTT-S Microwave Symp. Dig., pp. 49~53, May 1965.
[14]Tan F. C. F. and Helszajn J., “Suppression of Higher Order Modes in Waveguide-Junction Circulators Using Coupled Open Dielectric Resonators,” IEEE. Trans. MTT., Vol. MTT-24, pp. 271 ~ 273, May 1976.
[15]Karp A., Shaw H. J. and Winslow D. K., “Circuits Properties of Microwave Dielectric Resonators,” IEEE. Trans. MTT., Vol. MTT-16, pp. 818 ~ 828, October 1968.
[16]Yahya Rahmat-Samii, “EM Characterization of Photonic Band Gap (PBG) Structures: An Overview,” IEEE, 1998
[17]Ren L., “Mode Suppressors for Dielectric Resonator Filters,” Proc. of the 1982 Int. Microwave Symp., pp. 389, June 1982.
[18]Patrick Champagne, “Better Coupling Model of DR to Microstrip Ensures Repeatability,” Microwave & RF, pp. 113 ~ 118, September 1987
[19]Chen. Chang. “Wang, Study on the UHF-Band Dielectric Filter,” Thesis of Department of Electrical Engineering, National Cheng Kung University, 1991.
[20]Jwo-Shiun Sun, “Studies of Dielectric Resonator Oscillator,” Thesis of Department of Electrical Engineering, National Cheng Kung University, 1988.
[21]S. B. Cohn, “A Miniature High Q Bandpass Filter Employing Dielectric Resonators,” IEEE Trans. Microwave Theory Tech., vol. MTT-16, pp.210-218, April, 1968
[22]P. Guillon and S. Mekerta, “A Bandstop Dielectric Resonator Filter,” IEEE MTT-S Int. Microwave Symp. Dig., p.170, 1981
[23]A.E. Atia, and R. R. Bonetti, “Generalized Dielectric Resonator Filter,” Comsat Technical Review, vol. 11, pp. 321-343, Fall 1981.
[24]P. Guillon and Y. Garault, “Coupling Between a Microstrip Transmission line and a Dielectric Resonator,” IEEE MTT-S Int. Microwave Symp. Dig., p.200, June 1976.
[25]W. E. Courtney, “Analysis and Evaluation of a Method of Measuring the Complex Permittivity and Permiability of Microwave Insulators,” IEEE Trans. Microwave Theory Tech., vol. MTT-18, pp. 476-485, Aug. 1970.
[26]Wheless, D. Kajfez, “The Use of Higher Resonator Modes in Measuring the Dielectric Constant of Dielectric Resonators,” IEEE MTT-S Symp. Dig. p.473-476, 1985.
[27]Patrick Champagne, “Better Coupling Model of DR to Microstrip Ensures Repeatability,” Microwave & RF, pp. 113 ~ 118, September 1987.
[28]Bahl I. and Bharitia P., Microwave Solid State Circuit Design, John Wily & Son, Inc., 1988.
[29]Yongxi Qian, Vesna Radisic and Tatsuo Itoh, “Simulation and Experiment of Photonic Band-Gap Structures for Microstrip Circuits,” Asia Pacific Microwave Conference, 1997
[30]Miguel A. G. Laso, Txema Lopetegi, Maria J. Erro, David Benito, Maria J. Garde, and Mario Sorolla, “Multiple-Frequency-Tuned Photonic Bandgap Microstrip Structures,” IEEE Microwave Guided Wave Lett., vol. 10, June 2000
[31]Hung-Yu David Yang, Reonghee Kim, and David R. Jackson, ”Design Consideration for Modeless Integrated Circuit Substrates Using Planar Periodic Patches,” IEEE Trans. on Microwave Theory and Tech., vol. 48, Dec 2000
[32]Darren Cadman, David Hayes, Robert Miles, and Robert Kelsall, “Simulation Results For a Novel Optically Controlled Photonic Bandgap Structure For Microstrip Lines,” IEEE, 2000
[33]E. Yablonovitch, “Inhibited Spontaneous Emission in Solid-State Physics and Electronics,” Phys. Rev. Lett., vol. 58, pp.2059-2062, May 1987
[34]F. Falcone, T. Lopetegi, and M. Sorolla, “1-D and 2-D Photonic Bandgap Microstrip Structures,” Microwave and Optical Technology Lett., vol. 8, pp. 69-71, Feb. 1998.
[35]Tae-Yeoul Yun and Kai Chang, “Uniplanar One-Dimensional Photonic-Band-gap Structures and Resonators,” IEEE Trans. on Microwave Theory and Tech., vol. 49, March 2001.
[36]M. A. Shapiro, W. J. Brown, C. Chen, V. Khemani, I. Mastovsky, J. R. Sirigiri, and R. J. Temkin, “Photonic Bandgap Structures- Oversized Circuits for Vacuum Electron Devices,” Vacuum Electronics Conference 2000. Abstracts, May 2000

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