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具有螺旋型DGS的超宽带带通滤波器

Ultra-wideband band pass filter with spiral-shaped DGS
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摘要 将微带线/共面波导混合结构与螺旋型缺陷接地结构结合,设计了通带范围3.1~10.6 GHz的超宽带带通滤波器,获得了双通带的滤波特性。采用仿真的方法讨论了缺陷接地结构的尺寸与传输特性的关系。结果表明,新型的双通带带通滤波器具有一定的实用价值。 Hybrid microstrip/coplanar waveguide (CPW) structure is combined with spiral-shaped defected ground structure ( DGS ) to construct a novel ultra-wideband ( UWB ) band pass filter with its pass band coveting the entire UWB band (3.1 - 10.6 GHz ) .The new circuit gains a dual-pass band filtering property.The relationship between the size of DGS and its transmission property is studied by using the electromagnetic simulation.Those results show that the new circuit is more flexible for use.
作者 马宁
出处 《天津工程师范学院学报》 2008年第4期18-20,共3页 Journal of Tianji University of Technology and Education
关键词 微带线/共面波导混合结构 超宽带带通滤波器 缺陷接地结构 hybrid microstrip/coplanar waveguide ( CPW ) structure ultra-wideband ( UWB ) band pass filter ( BPF ) defected ground structure ( DGS )
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参考文献4

  • 1Federal Communications Commission. Revision of Part 15 of the Commission's Rules Regarding Ultra- Wideband Transmission 2002 Systems [ R ] . USA: FCC,
  • 2WANG H, ZHU L. Ultra-wideband bandpass filter with hybrid microstrip/CPW structure [J].IEEE Microwave and Wireless Components Letters, 2005, 15 (12) : 844 - 846.
  • 3FU Y Q, ZHANG G H. A novel PBG coplanar waveguide [ J ] . IEEE Microwave and Wireless Components Letters, 2001,11 ( 11 ) : 447 - 449,
  • 4LIM J S, KIM C S, LEE Y T, et al. A spiral-shaped defected ground structure for coplanar waveguide [J]. IEEE Microwave and Wireless Components Letters, 2002, 12 (9) : 330 - 332.

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