A Low-Cost Dual-Band RF Power Amplifier for Wireless Communication Systems

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dc.contributor.authorLuong, D. M.
dc.contributor.authorTrinh, Q. K.
dc.contributor.authorNguyen, T. A.
dc.coverage.issue1cs
dc.coverage.volume32cs
dc.date.accessioned2023-10-11T07:07:10Z
dc.date.available2023-10-11T07:07:10Z
dc.date.issued2023-04cs
dc.description.abstractThis paper presents a design of a low-cost concurrent dual-band power amplifier operating at 1.8 GHz and 2.6 GHz. The design combines the signal splitting and second harmonic suppression techniques. The power amplifier aims at achieving the high-efficiency while rejecting unwanted output mixing products when operating in the dual-band mode. These advantages are obtained by using a harmonic termination technique combining with a signal splitting method. The designed amplifier is tested at both small- and large-signal performance through simulations and measurements. The designed amplifier delivers 10.2 dB Gain, 41.2 dBm Pout, and PAE of 40.2 % at 1.8 GHz and 10.1 dB Gain, 41.1 dBm Pout, and PAE of 38.7 % at 2.6 GHz. The second harmonic suppression for 1.8 GHz band is 49 dBc while the second harmonic for the 2.6 GHz is nearly total suppression. In addition, by using the proposed circuit, the unwanted mixing products can be significantly reduced improving linearity performance.en
dc.formattextcs
dc.format.extent136-141cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2023 vol. 32, č. 1, s. 136-141. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2023.0136en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/214303
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttps://www.radioeng.cz/fulltexts/2023/23_01_0136_0141.pdfcs
dc.rightsCreative Commons Attribution 4.0 International licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectDual-band power amplifieren
dc.subjectGaN HEMTen
dc.subjectdiplexeren
dc.subjectharmonic suppressionen
dc.subjectcross-modulationen
dc.titleA Low-Cost Dual-Band RF Power Amplifier for Wireless Communication Systemsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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