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Progress In Electromagnetics Research
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A NOVEL POWER DIVIDER INTEGRATED WITH SIW AND DGS TECHNOLOGY

By Z. He, J. Cai, Z. Shao, X. Li, and Y. Huang

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Abstract:
In this paper, a novel power divider integrated with substrate integrated waveguide (SIW) and defected ground structures (DGS) techniques is proposed to provide both power dividing and filtering functions. The SIW technique holds advantages of low profile, low-lost, mass-production, easy fabrication and fully integration with planar circuits. By integrating with defected ground structures (DGS) technique, the size and cost of system can be effectively reduced as the proposed power divider has a function of filtering which leads to reduction of one filter. In order to verify the design approach, the proposed power divider with equal power divisions at the center frequency of 8.625 GHz is fabricated and measured. The measured results demonstrate that the insertion loss is less than 1.2 dB and the input return loss less than 16 dB across the bandwidth of 1.4 GHz (FBW is 16%). Moreover, the imbalances of the amplitude and phase are less than 0.3 dB and 0.5 degree, respectively.

Citation:
Z. He, J. Cai, Z. Shao, X. Li, and Y. Huang, "A Novel Power Divider Integrated with SIW and DGS Technology," Progress In Electromagnetics Research, Vol. 139, 289-301, 2013.
doi:10.2528/PIER13022005
http://www.jpier.org/PIER/pier.php?paper=13022005

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