1.5 环形谐振器
表1.1 三种新型宽带滤波器性能对比
电路尺寸 带内插损 谐波抑制 带外选择性
SIR多模谐振器 较小 较小 一般 一般
级联滤波器 较大 较大 很好 较好
环形谐振器 较小 较小 较好 较好
综上,新型的三种结构各自有其特点,针对宽带滤波器的设计需要及趋势,大大改善了滤波器的边缘选择性,带外抑制性及其抗干扰能力。
参考文献
[1] M. Makimoto S. Yamashita,无线通信系统中的微波谐振器与滤波器,国防工业出版社,2002
[2]甘本拔,吴万春,现代微波滤波器的结构与设计。科学出版社,1973
[3] David M. Pozar.微波工程.第三版.北京:电子工业出版社,2006
[4]廖承恩,微波技术基础,西安电子科技大学出版社,2004
[5] J.-S. Hong and M. J. Lancaster, Microstrip Filters for RF/Microwave Applications.New York: Wiley, 2001
[6] Seymour B. Cohn. Parallel-Coupled Transmission-Line-Resonator Filters. IRE Transactions on Microwave Theory and Techniques,vol. 6, no. 2,Apr. 1958: pp.223-231
[7] George L. Matthaei. Interdigital Band-Pass Filters. IRE Transactions on MicrowaveTheory and Techniques, vol. 10,no. 6, Nov. 1962: pp.479-491
[8] E. G. Cristal and S. Frankel, Design of Hairpin-Line and Hybrid Hairpin-Parallel-Coupled-Line Filters,GMTT International Microwave Symposium Digest,vol. 71, no. 1, May. 1971: pp.12-13
[9] E. G. Cristal and S. Frankel, Hairpin-Line and Hybrid Hairpin-Line/Half-Wave Parallel-Coupled-Line Filters, IEEE Transactions on Microwave Theory and Techniques, vol. 20, no.11, Nov. 1972:pp.719-728
[10] Makimoto M , Yamashita S. Bandpass filter using parallel coupled stripline stepped impedance resonators, IEEE Trans. Microw. Theory Tech, 1980, vol. 28, no. 12: 1413-1417
[11] Makimoto M, Yamashita S, Geometrical structures and fundamental characteristics of microwave stepped-impedance resonators, IEEE Trans. Microw. Theory Tech, vol. 45, no. 7, 1997: 1078-1085
[12] C.-L.Hsu, F.-C. Hsu, J.-K.Kuo, Microstrip bandpass filters for Ultra-Wideband (UWB) wireless communications, IEEE MTT-S International, Jun. 2005:1-4
[13] Y.S. Lin, W. C. Ku, C. H. Wang, Wideband coplanar-waveguide bandpass filters with good stopband rejection, IEEE Microwave and Wireless Components Lett, vo1. 14, no.9, Sept. 2004: 422-424
[14] R. Gomez-Garcia and J. Alonso, Excat synthesis of bandpass responses using an isolated cascaded connections of same order lowpass and highpass filters, 2004 International Symposium on Circuits and Systems Dig, vol.1, May 2004: 153-156
[15] H. Shaman, J.-S. Hong, An optimum Ultra-wideband (UWB) bandpass filter with spurious response suppression, IEEE Wireless and Microwave Technology Conference, Dec. 2006: 1-5
[16] H. Shaman, J.-S. Hong, A novel Ultra-wideband (UWB) bandpass filter (BPF) with pairs of transmission zeroes, IEEE Microw Wireless Compon. Lett., vol. 17, no. 2, Feb. 2007: 121-123
[17] Makimoto M., Yamashita S.5 Geometrical structures and fundamental characteristics of
microwave stepped-impedance resonators,IEEE Trans. Microw. Theory Tech., vol. 45,no. 7,
1997:pp.l078-1085
[18] C. Rauscher, Microwave active filters based on transversal and recursive principles,IEEE Trans. Microwave Theory Tech., vol. 33, no. 12, Dec. 1985: 1350–1360
[19] C. Rauscher,Microwave active filters based on transversal and recursive principles, IEEE Trans. Microwave Theory Tech,vol. 33,no. 12,Dec. 1985: 1350-1360
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