Abstract
This paper presents the design of a planar antenna for super wideband applications. The proposed antenna design consists of a wine glass shaped patch radiator, a tapered microstrip feed line, and a groove-shaped ground plane. From the presented results it is observed that the use of a tapered feed line with a groove-shaped ground plane tends to achieve wide impedance bandwidth. Therefore, the proposed antenna configuration offers a ratio bandwidth of 11.3 : 1 in the frequency range of 3.1–35 GHz. Furthermore, the proposed planar antenna offers an acceptable gain with good radiation characteristics for the entire operating bandwidth.
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