A low-cost microwave filter with improved passband and stopband characteristics using stub loaded multiple mode resonator for 5g mid-band applications

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dc.contributor.authorAlnahwi, Falih M.
dc.contributor.authorAl-Yasir, Yasir I.A.
dc.contributor.authorAlmtrod, Abdalghfor Abdalghfar A
dc.contributor.authorAbdullah, Abdulkareem S.
dc.contributor.authorAbd-Alhameed, Raed A.
dc.date.accessioned2023-12-04T11:00:24Z
dc.date.available2023-12-04T11:00:24Z
dc.date.issued2021
dc.description.abstract-translatedThis paper presents the design and implementation of a printed circuit microwave band-pass filter for 5G mid-band applications, using a Stub Loaded Multiple Mode Resonator (SL-MMR) technique. The objective of this article is to introduce a low-cost microstrip filter with improved passband and stopband characteristics, based on a mathematical analysis of stub loaded resonators. The filter cost is reduced by selecting the low-cost FR4 dielectric material as a substrate for the proposed filter. Based on the transmission line model of the filter, mathematical expressions are derived to predict the odd-mode and the even-mode resonant frequencies of the SL-MMR. The mathematical model also highlights the capability of controlling the position of the SL-MMR resonant frequen-cies, so that the 5G sub-band that extends along the range (3.7–4.2 GHz) can perfectly be covered with almost a flat passband. At the resonance frequency, a fractional bandwidth of 12.8% (500 MHz impedance bandwidth) has been obtained with a return loss of more than 18 dB and an insertion loss of less than 2.5 dB over the targeted bandwidth. Furthermore, a pair of parasitic elements is attached to the proposed filter to create an additional transmission zero in the lower stopband of the filter to enhance the suppression of the filter stopband. The measured and simulation results are well agreed, and both reveal the acceptable performance of the stopband and passband characteristics of the filter.en
dc.format
dc.format15 s.cs
dc.format.mimetypeapplication/pdf
dc.identifier.citationALNAHWI, FM. AL-YASIR, YI. ALMTROD, AAA. ABDULLAH, AS. ABD-ALHAMEED, RA. A low-cost microwave filter with improved passband and stopband characteristics using stub loaded multiple mode resonator for 5g mid-band applications. Electronics, 2021, roč. 10, č. 4, s. nestránkováno. ISSN: 2079-9292cs
dc.identifier.document-number623371600001
dc.identifier.doi10.3390/electronics10040450
dc.identifier.issn2079-9292
dc.identifier.obd43940704
dc.identifier.uri2-s2.0-85101168981
dc.identifier.urihttp://hdl.handle.net/11025/54919
dc.language.iso
dc.language.isoenen
dc.publisherMDPIen
dc.relation.ispartofseriesElectronicsen
dc.rights© The Author(s)en
dc.rights.accessopenAccessen
dc.subject.translatedmicrowaveen
dc.subject.translated5Gen
dc.subject.translatedStub Loaded Multiple Mode Resonatoren
dc.subject.translatedfilteren
dc.subject.translatedFR4en
dc.titleA low-cost microwave filter with improved passband and stopband characteristics using stub loaded multiple mode resonator for 5g mid-band applicationsen
dc.typečlánekcs
dc.typearticleen
dc.type.status
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen

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