A frequency transformation for co-designed multi-passband/multi-embedded-notch RF filters

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dc.contributor.authorGómez-García, Roberto
dc.contributor.authorYang, Li
dc.contributor.authorPsychogiou, Dimitra
dc.contributor.funderMinisterio de Economía, Industria y Competitividad, Gobierno de Españaen
dc.contributor.funderHorizon 2020en
dc.contributor.funderNational Science Foundationen
dc.date.accessioned2021-03-12T10:27:58Z
dc.date.available2021-03-12T10:27:58Z
dc.date.issued2021-02-02
dc.date.updated2021-03-10T10:58:27Z
dc.description.abstractIEEE A class of multi-resonant RF filtering stage that exhibits a multi-band bandpass filtering transfer function with embedded in-band notches is presented. It is derived from the application of a composed lowpass-to-multi-passband/multi-stopband frequency transformation that converts the normalized lowpass prototype into the proposed multi-passband/multi-embedded-notch filtering cell. Thus, when employed in higher-order filtering networks, high-selectivity multi-band bandpass-filter (BPF) counterparts with embedded in-band stopbands are synthesized. Furthermore, two different approaches for out-of-band transmission-zero (TZ) generation in these type of filters to achieve sharp-rejection characteristics into them are detailed. The operational foundations of the engineered multi-passband/multi-embedded-notch filtering stage are described, along with several illustrative first-to-multi-order theoretical design examples with/without stopband TZs. Moreover, for experimental-demonstration purposes, a proof-of-concept microstrip prototype of a third-order dual-band BPF with two and one embedded notches in its lower and upper transmission bands, respectively, is manufactured and characterized.en
dc.description.sponsorshipMinisterio de Economía, Industria y Competitividad, Gobierno de España (Project TEC2017-82398-R); Horizon 2020 (Grant Agreement 754382); National Science Foundation (Grant ECCS-1731956)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationGómez-García, R., Yang, L. and Psychogiou, D. (2021) 'A frequency transformation for co-designed multi-passband/multi-embedded-notch RF filters', IEEE Transactions on Circuits and Systems II: Express Briefs, 68(7), pp.2429-2433. https://doi.org/10.1109/TCSII.2021.3056584en
dc.identifier.doi10.1109/TCSII.2021.3056584en
dc.identifier.eissn1558-3791
dc.identifier.endpage2433en
dc.identifier.issn1549-7747
dc.identifier.issued7en
dc.identifier.journaltitleIEEE Transactions on Circuits and Systems II: Express Briefsen
dc.identifier.startpage2429en
dc.identifier.urihttps://hdl.handle.net/10468/11137
dc.identifier.volume68en
dc.language.isoenen
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en
dc.rights© 2021, IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.en
dc.subjectBand-pass filtersen
dc.subjectBandpass filter (BPF)en
dc.subjectbandstop filter (BSF)en
dc.subjectCouplingsen
dc.subjectMicrostrip filteren
dc.subjectMicrowave filteren
dc.subjectMulti-band filteren
dc.subjectMulti-functional filteren
dc.subjectNotch filteren
dc.subjectPassbanden
dc.subjectPlanar filteren
dc.subjectPower transmissionen
dc.subjectPrototypesen
dc.subjectRadio frequencyen
dc.subjectResonant frequencyen
dc.subjectRF filteren
dc.subjectTransmission zero (TZ)en
dc.titleA frequency transformation for co-designed multi-passband/multi-embedded-notch RF filtersen
dc.typeArticle (peer-reviewed)en
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