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Compact Single Band Suppression Monopole Antenna for SWB Application
This article describes the design of a miniatured monopole antenna with a band notch for use in super-wideband applications. The suggested antenna is fed by a triangular tapered micro-strip feed line and has a frequency range of 2.88 to 60 GHz (bandwidth ratio: 20.83:1) with |S11|<−10 dB, with the exception of the notched band for WLAN band at 4.35–6.45 GHz. The antenna’s overall dimensions are 23 × 14.5 × 1 mm3 which consists of F4B substrate having permittivity of 2.65 and 1mm thickness, a round-cornered beveled-shaped radiating element, and a roundcornered partial ground plane. To realize the band notch characteristic an inverted crescent shape slot is introduced in the radiator. This paper presents the simulated results for the suggested antenna. The results shows that the suggested antenna operates well over the whole operational BW (181.7%), making it a good choice for SWB applications.
Keywords
Super wideband; Band-notch function, Tapered microstrip feed line, Miniature Size, Crescent Shape.
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