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Hajebi M, Danaeian M, Zarezadeh E. A Novel Compact Dual Notch Band Filter Based on Metamaterial Concept . IJEEE. 2017; 13 (3)
URL: http://ijeee.iust.ac.ir/article-1-975-en.html

Abstract:   (36 Views)

Using composite right-left handed (CRLH) transmission line concept, a novel miniaturized dual notch band filter (DNBF) is proposed. The suggested DNBF consists of an interdigital transmission line (ITL), split ring resonators (SRRs) and complementary split ring resonators (CSRRs). Since the resonance frequency of the SRRs and CSRRs are quite independent of each other, the dual notch bands of the proposed filter can be separately controlled and shifted by changing the dimension of the SRRs and CSRRs. In this paper, the reject bands are designed for WLAN (2.4 GHz) and WiMAX (3.5 GHz) to reject these frequency bands from the ultra-wide band communication systems. The simulation results show that the transmission response has more than 32 dB rejections near each band. To validate the design concept, the proposed NBPF has been fabricated and tested. Experimental verification is provided and good agreement has been found between simulation and measurement. To the best of our knowledge, the proposed NBPF is more compact in comparison with other reported filters.

     
Type of Study: Research Paper | Subject: Wireless RF Components and Systems
Received: 2016/08/1 | Accepted: 2017/09/2 | Published: 2017/09/6

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