Implementation of a novel broadband microstrip metamaterial power divider

Implementation of a novel broadband microstrip metamaterial power divider
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新型宽带微带超材料功率分配器的实现

DOI:
10.1080/09205071.2013.757849
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发表时间:
2013-03
影响因子:
1.3
通讯作者:
Lin, W. -G.
Lin, W. -G.
中科院分区:
工程技术4区
文献类型:
--
作者:
Jiang, D.;Xu, Y. -H.;Xu, R. -M.;Lin, W. -G.

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提出了一种低损耗、平面化、结构紧凑的超材料宽带功分器。功率分配器使用新颖的两个平行的微带传输线耦合线耦合器与负折射率特性,使其在纵向方向上是紧凑的。从边缘耦合开口环谐振器(SRR)出发,详细介绍了双匝螺旋谐振器(2-SRs)的设计方法,并利用HFSS对新型功分器进行了全波仿真。制作了中心频率为5.40 GHz的功率分配器。测量结果表明,该器件实现了50%的超宽带。在保持类似性能的同时,与传统设计相比,Transformer的阻抗降低了50%。
A low-loss, planar, and compact metamaterial broadband power divider is presented in this paper. The power divider uses novel two parallel microstrip transmission-line coupled-line couplers with negative-refractive-index characterization allowing it to be compact in the longitudinal direction. The method of designing two turns spiral resonators (2-SRs) is detailed starting from edge-coupled split-ring resonator (SRR), and full-wave simulations of novel power divider are fulfilled by HFSS. A power divider with 5.40 GHz center frequency is fabricated for demonstration purpose. The measurement results show that a ultra-wide band of 50% is achieved with . While maintaining similar performance, a 50% reduction in impedance transformer is achieved in comparison to a conventional design.
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