What is it about?
In this article, a compact dual‐band bandpass filter (BPF) is studied and designed by utilizing a modified hexagonal split ring resonator (H‐SRR). The modified H‐SRR consists of a classical H‐SRR loaded by an open‐stepped impedance stub and a grounding via located at the symmetrical plane of the resonator. The proposed BPF operates at 2.5 and 4.83 GHz. Its advantages include simplicity of design, high rejection level due to transmission zeros, and low insertion loss. In addition, a compact size.
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Why is it important?
A new compact dual band BPF was designed using a new stepped impedance hexagonal split ring resonator. attractive performances provides by the dual band BPF based modified hexagonal SRR namely, the insertion loss, selectivity and compactness.
Perspectives
Numerous new metamaterials unit cells (SRR and CSRR) can be proposed such as multi-mode resonators to be applied to the new multi-band circuit design (filter, antenna)
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This page is a summary of: Compact dual‐band bandpass filter using a modified hexagonal split ring resonator, Microwave and Optical Technology Letters, May 2020, Wiley,
DOI: 10.1002/mop.32258.
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