Compact LPF to UWB BPF transition employing quasi-triangular DGS resonators and a discontinuity on the microstrip feed line

A. Boutejdar; M. Challal; A. A. Wael; A. Ibrahim; P. Burte

doi:10.1109/INTEE.2015.7416726

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Compact LPF to UWB BPF transition employing quasi-triangular DGS resonators and a discontinuity on the microstrip feed line

A. Boutejdar, M. Challal, A. A. Wael, A. Ibrahim and P. Burte

2015 4th International Conference on Electrical Engineering (ICEE), pp.1-4

01/12/2015

DOI: https://doi.org/10.1109/INTEE.2015.7416726

Abstract

Bandpass filter (BPF)

Defected ground structure (DGS)

Gap-JInverter

Lowpass filter (LPF)

Multilayer-Techniques

Quasi arrow head (QAH)

Compact lowpass filter (LPF) and bandpass filter (BPF) are introduced in this paper. The proposed LPF presents small size, low insertion loss and ultra-wide stopband with 20 dB attenuation from 6 GHz to more than 20 GHz. The length of the proposed multilayer LPF is reduced to 0.143 λg @ 3 GHz in comparison with 0.2 λg for the cascaded topology with λg = 0.157 m. The proposed BPF is utilizing a simple transformation from LPF based on J-inverter technique. It has low insertion loss and compact size. The simulated and experimental results of the proposed structure are in good agreement.

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Title: Compact LPF to UWB BPF transition employing quasi-triangular DGS resonators and a discontinuity on the microstrip feed line
Creators - without role: A. Boutejdar - University Hospital Magdeburg
M. Challal - University of Boumerdes
A. A. Wael - Arab Academy for Science, Technology, and Maritime Transport
A. Ibrahim - Minia University
P. Burte - University Hospital Magdeburg
Publication Details: 2015 4th International Conference on Electrical Engineering (ICEE), pp.1-4
Publisher: IEEE
Identifiers: 9924477708331
Academic Unit: Najran University
Language: English
Resource Type: Conference proceeding