Efficient technique for ultra broadband, linear power amplifier design

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dc.contributor.authorSayed, Ahmed
dc.contributor.authorPreis, Sebastian
dc.contributor.authorBöck, Georg
dc.date.accessioned2018-02-12T09:42:37Z
dc.date.available2018-02-12T09:42:37Z
dc.date.issued2012
dc.descriptionDieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich.de
dc.descriptionThis publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence (funded by the DFG, German Research Foundation) respectively.en
dc.description.abstractIn this paper, a 10 W ultra-broadband GaN power amplifier (PA) is designed, fabricated, and tested. The suggested design technique provides a more accurate starting point for matching network synthesis and better prediction of achievable circuit performance. A negative-image model was used to fit the extracted optimum impedances based on source-/load-pull technique and multi-section impedance matching networks were designed. The implemented amplifier presents an excellent broadband performance, resulting in a gain of 8.5 ± 0.5 dB, saturated output power of ≥10 W, and power added efficiency (PAE) of ≥23% over the whole bandwidth. The linearity performance has also been characterized. An output third-order intercept point (OIP3) of ≥45 dBm was extracted based on a two-tone measurement technique in the operating bandwidth with different frequency spacing values. The memory effect based on AM/AM and AM/PM conversions was also characterized using a modulated WiMAX signal of 10 MHz bandwidth at 5.8 GHz. Furthermore, a broadband Wilkinson combiner was designed for the same bandwidth with very low loss to extend the overall output power. Excellent agreement between simulated and measured PA performances was also achieved.en
dc.identifier.eissn1759-0795
dc.identifier.issn1759-0787
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/7416
dc.identifier.urihttp://dx.doi.org/10.14279/depositonce-6666
dc.language.isoen
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/
dc.subject.ddc620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
dc.subject.otherpower amplifiers and linearizersen
dc.subject.othercircuit design and applicationsen
dc.titleEfficient technique for ultra broadband, linear power amplifier designen
dc.typeArticle
dc.type.versionpublishedVersion
dcterms.bibliographicCitation.doi10.1017/s1759078712000578
dcterms.bibliographicCitation.issue6
dcterms.bibliographicCitation.journaltitleInternational journal of microwave and wireless technologies
dcterms.bibliographicCitation.originalpublishernameCambridge University Press
dcterms.bibliographicCitation.originalpublisherplaceCambridge
dcterms.bibliographicCitation.pageend567
dcterms.bibliographicCitation.pagestart559
dcterms.bibliographicCitation.volume4
tub.accessrights.dnbdomain
tub.affiliationFak. 4 Elektrotechnik und Informatik::Inst. Hochfrequenz- und Halbleiter-Systemtechnologien::FG Mikrowellentechnikde
tub.affiliation.facultyFak. 4 Elektrotechnik und Informatikde
tub.affiliation.groupFG Mikrowellentechnikde
tub.affiliation.instituteInst. Hochfrequenz- und Halbleiter-Systemtechnologiende
tub.publisher.universityorinstitutionTechnische Universität Berlin

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