This article presents a proposal for an ultra-wideband (UWB) printed monopole antenna that exhibits a band notch feature at 5.8 GHz. The suggested antenna is printed on FR4 (εr =4.4) with thickness of 1.6 mm, featuring a compact size with 30 mm × 30 mm × 1.67 mm dimensions. A pair of finite-length inverted L slots with small circular slots has been engraved on the patch. The ground of the proposed design is spline shaped on lower side and is having a metallic strip with 1 mm slot at its center on the upper side. The suggested antenna measured group delay, VSWR and S11 using VNA. The proposed design attains the bandwidth of 9 GHz. The suggested antenna structure has simulated and measured results in stipulation with one another resulting in making it a good candidate for biomedical applications.
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Ahuja et al. (2024) studied this question.
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