CST – Computer Simulation Technology

MULTI-BAND NOTCH UWB BAND PASS FILTER WITH NOVEL CONTIGUOUS SPLIT RINGS EMBEDDED IN SYMMETRICALLY TAPERED ELLIPTIC RINGS

Title:
MULTI-BAND NOTCH UWB BAND PASS FILTER WITH NOVEL CONTIGUOUS SPLIT RINGS EMBEDDED IN SYMMETRICALLY TAPERED ELLIPTIC RINGS
Author(s):
Anil Kamma, Swapnil R. Gupta, Gopi S. Reddy, Jayanta Mukherjee
Source:
Progress In Electromagnetics Research C
Vol./Issue/Date:
Volume: 39, 2013
Year:
2014
Page(s):
133-148
Abstract:
A compact multiple band-notch ultra-wide band (UWB) band-pass filter (BPF) with surface area of 18x12mm2 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 er = 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.
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