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2011-11-14

An Ultra-Wideband Balanced Bandpass Filter Based on Defected Ground Structures

By Bin Xia, Lin-Sheng Wu, and Jun-Fa Mao
Progress In Electromagnetics Research C, Vol. 25, 133-144, 2012
doi:10.2528/PIERC11082503

Abstract

An ultra-wideband (UWB) balanced bandpass filter (BPF) is proposed and designed using defected ground structures (DGSs). A multimode resonator on top layer with a coplanar waveguide on bottom layer is used to design a UWB BPF. U-shaped and H-shaped DGSs loaded with capacitor are used to design to provide common mode rejection within a lower band, while a set of dumbbell-shaped DGSs are utilized to provide common mode rejection within an upper-band. The proposed UWB balanced BPF shows the performance of good common mode rejection in and out of the UWB passband.

Citation


Bin Xia, Lin-Sheng Wu, and Jun-Fa Mao, "An Ultra-Wideband Balanced Bandpass Filter Based on Defected Ground Structures," Progress In Electromagnetics Research C, Vol. 25, 133-144, 2012.
doi:10.2528/PIERC11082503
http://www.jpier.org/PIERC/pier.php?paper=11082503

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