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Compact broadband toploaded planar monopole antenna for low frequency applications

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2 Author(s)
Indhu, K.K. ; Dept. of Electron., Cochin Univ. of Sci. & Technol., Cochin, India ; Mohanan, P.

A simple compact microstrip fed broad band antenna for low frequency application is presented. The proposed antenna consisting of a toploaded monopole and a truncated rectangular ground plane has a 2:1 VSWR bandwidth of 52% from 765 MHz-1.3GHz. Bandwidth of the antenna is again improved by incorporating a stub. The modified design provides 2:1 VSWR bandwidth of 97% from 780 MHz-2.25 GHz. This antenna occupies overall dimension of 55 × 30 × 1.6mm3 when printed on a substrate of dielectric constant 4.4. Low cost, compact, wide frequency range for low frequencies are the main advantages of this antenna. Simulations and measurements are presented for the proposed antenna.

Published in:

Antenna Week (IAW), 2011 Indian

Date of Conference:

18-22 Dec. 2011