Authors: Hassiba Louazene; Mouloud Challal; M'hamed Boulakroune
Addresses: Signals and Systems Laboratory, Department of Electronics, Institute of Electrical and Electronic Engineering, University M'Hamed Bougara of Boumerdes, Boumerdes 35 000, Algeria ' Signals and Systems Laboratory, Department of Electronics, Institute of Electrical and Electronic Engineering, University M'Hamed Bougara of Boumerdes, Boumerdes 35 000, Algeria ' Department of Electronics and Communication, Faculty of New Technologies of Information and Communication, University Kasdi Merbah of Ouargla, Ouargla 3000, Algeria
Abstract: This paper presents a novel ultra wideband (UWB) bandpass filter (BPF) with a notch-band at specified frequency. Moreover, its equivalent circuit model (ECM) is also investigated. The proposed filter consists of a stepped impedance resonator (SIR), a parallel coupled feed line on the top and a rectangular shaped defected ground structure (DGS) on the bottom of the structure. The notch band can be shifted to any other desired frequency by tuning the length of the parallel coupled feed line. Good performances in terms of wide stop-band rejection, low insertion loss, high return loss and more compact size (7.99 × 6 mm2) than those reported in literature are achieved. In addition, simulation results accomplished by ECM are in good agreement with the full-wave EM.
Keywords: ultra wideband; bandpass filter; stepped impedance resonator; defected ground structure; notch-band; equivalent circuit model.
International Journal of High Performance Computing and Networking, 2018 Vol.11 No.2, pp.167 - 172
Received: 19 Oct 2015
Accepted: 26 Feb 2016
Published online: 08 Feb 2018 *