A New Design of a Miniature Microstrip Bandpass Filter for DCS Applications

This paper presents a new miniature Microstrip Bandpass Filter optimized and validated for DCS (Digital Cellular System) Band. The proposed filter is based on a Microstrip resonator. Each port has a step impedance feed line that can be used to adapt the filter's input impedance to the character...

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Bibliographic Details
Published inE3S Web of Conferences Vol. 351; p. 1083
Main Authors Kadiri, Amal, Tajmouati, Abdelali, Zbitou, Jamal, Zahraoui, Issam, Errkik, Ahmed, Latrach, Mohamed
Format Journal Article Conference Proceeding
LanguageEnglish
Published Les Ulis EDP Sciences 2022
Subjects
Bandpass filters
Circuits
dcs
Dielectric constant
Impedance
Input impedance
microstrip bandpass filter
microstrip resonator
Substrates
Thickness
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Summary:This paper presents a new miniature Microstrip Bandpass Filter optimized and validated for DCS (Digital Cellular System) Band. The proposed filter is based on a Microstrip resonator. Each port has a step impedance feed line that can be used to adapt the filter's input impedance to the characteristic impedance Z0. The suggested filter is installed on a low-cost FR-4 substrate with a dielectric constant of 4.4, a thickness of 1.6 mm, a loss tangent tan (δ) = 0.025, and a metal thickness of t = 0.035 mm. It has a bandwidth of 1.68GHz to 2.05GHz. Two electromagnetic solvers are used to optimize and validate this filter. The whole dimensions of the final circuit are 33.6x40 mm 2 . This filter is suitable for mobile communication .
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/202235101083