A new design of exponentially tapered slot UWB antenna with frequency notch characteristics is proposed in this letter. The microstrip line feed of the antenna is loaded with a pair of SRRs which controls the notch frequencies. For proof of concept and versatility, two different SRR geometries, square SRR (S-SRR) and hexagonal SRR (H-SRR), are used to obtain the frequency notches. Fabricated prototypes are measured and their impedance and radiation characteristics are validated with the simulation results.
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Saha et al. (2017) studied this question.
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