双模曲折悬置带线环四极微波滤波器
4-pole microwave filters using dual-mode meander suspensive strip line loop resonators
-
摘要: 该文研制了双模曲折悬置带线环四极微波滤波器。采用全波技术对该种滤波器特性进行的计算表明,它具有优良的窄通带、高选择性和小体积,与同类型二极滤波器相比,过渡带更陡峭。采用优化设计方法设计出了滤波器电路尺寸,制造了以r=2.8的Teflon为介质基片的滤波器,测试得到的双模曲折悬置带线四极滤波器的中心频率为f0=1.194 GHz,△f=19.4 MHz,通带插入损耗LP4.3 dB,阻带衰减Ls50 dB,实验结果和CAD预测作了比较,两者基本一致。这种滤波器可望在多种微波系统和移动通信系统中应用。Abstract: The 4-pole microwave filters using dual-mode meander suspensive strip line loop resonators have been developed. The results of the full wave analysis of the filters have shown that 4-pole filters have better performance than the 2-pole fiilters of same type. A 4-pole filter of this type on r= 2.8 Teflon substrate having a bandwidth △f=19.4MHz at the central frequency f0 = 1.194GHz was designed and fabricated. The measured filter performance was compared with the prediction of CAD tool. The agreement was found to be good.
-
J. A. Curtis, S. J. Fiedziuszko, Miniature dual-mode microstrip filters, IEEE 1991 MTT-S Dig.,443-446.[2]J. S. Hong, M.J. Lancaster, Bandpass characteristics of new dual-mode microstrip square loop resonators, Electron. Lett., 1995, 31(11), 891-892.[3]J.S. Hong, M. J. Lancaster, Microstrip bandpass filters using degenerate modes of a novel meander loop resonator, IEEE Microwave and Guided Wave Lett., 1995, 5(11), 371-372..[4]Z.M. Hejazi, P. S. Excell, Z. Jiang, Compact dual-mode filters for HTS Satellite systems, IEEE Microwave ＆ Guided Lett., 1998, 8(8), 275 277.[5]姜遵富,Z.M Hejazi,P S.Excell,新型高温超导(HTS)双模多次曲折微带环窄带滤波器,电子学报,2000,28(2),1-3[6]G.L. Mathau, L. Young, E. M. T. Jones, Microwave Filters, Impedance-Matching Network and Coupling Structures, Dedham, MA. Artech House, 1980, 664-665. -
计量
- 文章访问数: 2601
- HTML全文浏览量: 122
- PDF下载量: 589
- 被引次数: 0
下载:
