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基于缺陷地波导结构的双模带通滤波器设计 被引量：1

Design of Dual-mode Band-pass Filters Using Defected Ground Waveguide Structure
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摘要 提出了一种新型的基于缺陷地波导(DGW)结构的双模带通滤波器设计。该滤波器由一对双T型微带输入/输出馈线和一个方形DGW双模谐振器构成。通过在DGW谐振器对称面上引入容性微扰,使谐振器的两个简并模分离,从而产生良好的双模带通椭圆形响应特性。对新型DGW结构单元进行研究,分析了微扰结构的尺寸对滤波器传输特性的影响,设计并加工了一个DGW双模带通滤波器,仿真及测试结果吻合较好。 A novel dual-mode band-pass filter using defected ground waveguide （DGW） structure is proposed.The proposed filter consists of a pair of orthogonal microstrip feed-lines using cascaded T-shape stubs and a DGW square-loop resonator on the ground.Two perturbations are used to excite degenerate modes of the DGW resonator.Characteristics of this dual-mode DGW unit are analyzed.The effects of the shape and the size of the perturbations on the transmission characteristics are studied.A good agreement between simulated and measured results verifies the validity of this design.
作者 张跃进 黄德昌
机构地区 华东交通大学信息工程学院
出处 《科学技术与工程》 北大核心 2014年第6期171-174,共4页 Science Technology and Engineering
基金 国家自然科学基金项目(61061001) 江西省科技厅自然科学青年基金(2009GQS0018) 2010年江西对外科技合作项目(2010EHA01600) 华东交通大学校立科研基金(09101066)资助
关键词 缺陷地波导(DGW) 双模 带通滤波器 defected ground waveguide（DGW） dual-mode band-pass filters
分类号 TN713 [电子电信—电路与系统]
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参考文献6

  • 1Wolff I. Microstrip bandpass filter using degenerate modes of a micros- trip ring resonator. Electron Lett1972 ;8 ( 12 ) :302-303.
  • 2Mohan A, Biswas A. Dual-band bandpass filter using defi'cted ground structure. Microwave Op! Technol Lett, 2009 ;51 (2) :475--479.
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同被引文献9

  • 1Liu Q, Hu M, Xu J, et al. A compact bn>a(lhan(J microstrip l)andpas.sfilter using folded mulliple-m<xle resonator. Microwave and MillimeterWave Technology ( ICMMT) , 2010 International Conferent-e on,IKEE, 2010: 525-527.
  • 2Thabet A, K1 Deiu A Z, Hassan A. Design of compact microstripbandpass filter by using new nami-composite materials. Nanoelectron-ics Conference (INEC),2011 IEEE 4th Inlematiorml, IKKK, 2011 :1-2.
  • 3Pozar I) M. Microwave engineering ( fourth edition ). New Jersey,USA: John Wiley & Sons Inc,2012: 147-149.
  • 4Hamham E M , Mesa F,Medina F,et al. Surface-impedance quasi-transverse electromagnetic approach for the efficient calculation ofconductor losses in multilayer single and coupled Microstrip lines. letMicrowaves Antennas & Propagation, 2012; 6(5) :519-526.
  • 5Karpukov L, Korolkov R, Romanenko S. Surface impedance calcula-tion method for microstrip structures modeling. 2008 InternationalConference on H Modem Problems of Radio Engineering, Telecommu-nications and Computer Science” ( TCSKT1) , 2008.
  • 6Dmovfiek H, Kost'lj J, SnidarSit A, et al. Study of coupling on paral-lel microstrip lines due to magnetic-loaded absorber sheet. Magnetics,IEEE Transactions on,2008 ; 44(11) : 3801 -3804.
  • 7Xiaojun W, Chong N. Design of two-hand hand-pass filter using de-fected ground structure ( DGS ) resonators. Millimeter Waves(GSMM),2012 5th Glo)>a! Symposium on, IKKK, 2012: 644-646.
  • 8Khan M T, Zakariya M A, Saad M N M , a/. Tuning of end-cou-pled line bandpass filter for 2. 4 GHz using defected ground structure(DGS) parameters. Business Engineering and Industrial ApplicationsColloquium (BKIAC), IEEE, 2013: 131-134.
  • 9Femandez-Prieto A, Martel J, Medina F,et al. Compact balancedFSIR bandpass filter modified for enhancing common-mode suppres-sion. Microwave ami Wireless Components letters, IEKE, 2015 ; 25(3): 154-156.

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科学技术与工程
2014年 第6期

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