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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control)
Ayyoub El Berbri
Moulay Ismail University
Computer Science & IT

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A novel compact dual-band bandstop filter with enhanced rejection bands Ayyoub El Berbri; Hassna Agoumi; Seddik Bri; Youssef El Amraoui; Adil Saadi
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 21, No 5: October 2023
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v21i5.24825

Abstract

In this paper, we present the design of a new wide dual-band bandstop filter (DBBSF) using nonuniform transmission lines. The method used to design this filter is to replace conventional uniform transmission lines with nonuniform lines governed by a truncated Fourier series. Based on how impedances are profiled in the proposed DBBSF structure, the fractional bandwidths of the two 10 dB-down rejection bands are widened to 39.72% and 52.63%, respectively, and the physical size has been reduced compared to that of the filter with the uniform transmission lines. The results of the electromagnetic (EM) simulation support the obtained analytical response and show an improved frequency behavior.
Co-Authors Adil Saadi Hassna Agoumi Seddik Bri Youssef El Amraoui