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Progress In Electromagnetics Research C
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MULTI-BAND NOTCH UWB BAND PASS FILTER WITH NOVEL CONTIGUOUS SPLIT RINGS EMBEDDED IN SYMMETRICALLY TAPERED ELLIPTIC RINGS

By A. Kamma, S. R. Gupta, G. S. Reddy, and J. Mukherjee

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Abstract:
A compact multiple band-notch ultra-wide band (UWB) band-pass filter (BPF) with surface area of 18 x 12 mm2 is introduced in this article. The proposed filter is a combination of novel symmetrically tapered elliptic rings (STER) and contiguous split ring resonators (SRR), with stepped impedance resonator (SIR) structure to realize the multi-band notch UWB pass band characteristics. In the proposed structure, band-notches are generated for interfering microwave bands such as, WiMAX, WLAN and X-band applications. These notches are achieved by optimizing structural parameters of SRR sections. The proposed filter is fabricated on RT/Duroid 5880 substrate with εr = 2.2 and thickness of 0.787 mm. The fabricated prototype is measured and a good agreement between simulated and measured results ensures suitability of the proposed filter for UWB applications.

Citation:
A. Kamma, S. R. Gupta, G. S. Reddy, and J. Mukherjee, "Multi-Band Notch UWB Band Pass Filter with Novel Contiguous Split Rings Embedded in Symmetrically Tapered Elliptic Rings," Progress In Electromagnetics Research C, Vol. 39, 133-148, 2013.
doi:10.2528/PIERC13031202

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