Abstract
In this article, a dual band notch reconfigurable antenna for ultra-wide band applications by switchable band notch characteristics is reported. The antenna includes rectangular patch with two L-shaped strips, rectangular and L-shaped slits on the ground sheet. To create much wider impedance bandwidth, slits on the ground sheet have been added. To create dual band notch characteristics, the L shaped strips on the radiating patch are connected using two PIN diodes in order to control the band rejection range. The reconfigurable antenna includes single and dual band notch 4.5–6.5 and 9–10.5 GHz. The presented antenna with final size of 12×18×1.6 mm3 is manufactured on an affordable FR-4 substrate and tested. The measured and simulated results are in good agreement.
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