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Progress In Electromagnetics Research C
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STUDY ON A MINIATURE UWB WAFER-DIPOLE PRINTED ANTENNA FED BY BALANCED MICRO-STRIP LINE

By S. Lin, R.-N. Cai, G.-L. Huang, X.-Y. Zhang, X.-Q. Zhang, L.-Z. Wang, and J.-X. Wang

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Abstract:
A novel wafer-dipole printed antenna fed by balanced micro-strip line is proposed, and the adoption of the balanced micro-strip line can effectively solve the feeding problem of the UWB dipole antenna. The wafer-dipole and a branch of the balanced microstripline are printed on one side of FR-4 substrate (1mm thickness), and the later is connected to a wafer directly, while the other branch is printed on the back side of the substrate and connected the other wafer with a via-hole. The measured results show that the antenna impedance bandwidth is from 3.0 GHz to 15.0 GHz with VSWR < 2, and the ratio bandwidth is about 5:1. Moreover, the antenna size is just 40 mm×20 mm with simple structure, which is well suited for short-distance UWB communications.

Citation:
S. Lin, R.-N. Cai, G.-L. Huang, X.-Y. Zhang, X.-Q. Zhang, L.-Z. Wang, and J.-X. Wang, "Study on a Miniature UWB Wafer-Dipole Printed Antenna Fed by Balanced Micro-Strip Line," Progress In Electromagnetics Research C, Vol. 19, 73-83, 2011.
doi:10.2528/PIERC10102905

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