A 3-12 GHz UWB Planar Triangular Monopole Antenna with Ridged Ground-Plane

doi:10.2528/PIER08070502

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Progress In Electromagnetics Research	ISSN: 1070-4698, E-ISSN: 1559-8985

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A 3-12 GHZ UWB PLANAR TRIANGULAR MONOPOLE ANTENNA WITH RIDGED GROUND-PLANE

By C.-C. Lin and H.-R. Chuang

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Abstract:
A novel technique to increase the bandwidth of the conventional planar triangular monopole antenna (PTMA) is presented. With two symmetrical corrugations extended from the flat ground plane, a significant improvement on the impedance bandwidth up to about 4:1 can be achieved. The proposed antenna design is a modification from the conventional volcano smoke antenna (VSA) and can be more compact and easily fabricated. The HFSS 3-D EM solver is employed for design simulation. The effects of the ridged ground plane on the impedance bandwidth are studied. A printed PTMA is fabricated on the FR-4 PCB substrate. Measured VSWR of the printed PTMA with the ridged ground plane is less than 2 from 3 to 12 GHz which covers the UWB frequency band. The measured antenna patterns also show the monopole-type omni-directional radiation patterns from 3 to about 10 GHz.

Citation:
C.-C. Lin and H.-R. Chuang, "A 3-12 GHz UWB planar triangular monopole antenna with ridged ground-plane," Progress In Electromagnetics Research, Vol. 83, 307-321, 2008.
doi:10.2528/PIER08070502
http://www.jpier.org/pier/pier.php?paper=08070502

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