Compact multi-band filter/diplexer LNAs using split-type multi-resonant stages

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dc.contributor.authorCheng, Steven Matthewen
dc.contributor.authorPsychogiou, Dimitraen
dc.date.accessioned2024-11-05T08:43:24Z
dc.date.available2024-11-05T08:43:24Z
dc.date.issued2024-07-23en
dc.description.abstractThis paper reports on the design and practical development of RF co-designed low-noise amplifiers (LNAs) with multi-band RF filter and diplexer capabilities. Split-type multi-resonant stages are used as complex-terminated matching networks to functionalize new classes of multi-band filtering LNAs (MBF-LNAs) and multi-band diplexer LNAs (MBD-LNAs). In this manner, the need for conventional matching networks or additional RF filtering is eliminated in the RF front-end, thus reducing its size. Miniaturization is further enhanced using split-type multi-resonant stages that are smaller than conventional transversal resonator arrays or filter-banks of in-line coupled resonators. The MBF-LNA and the MBD-LNA concepts are validated in S-band through the realization of two dual-band MBF-LNAs (MBF-LNA I and MBF-LNA II) and a quad-band MBD-LNA. Specifically, the MBF-LNA I exhibited a low noise figure (NF) of 0.65/0.9 dB and a gain of 19.1/16.5 dB for its passbands centered at 2.5/3.29 GHz. The MBFLNA II exhibited significantly higher isolation between the two passbands of 79.5 dB while having a NF of 1/1.5 dB and gain of 18.3/15.9 dB at 2.57/3.26 GHz. The MBD-LNA demonstrated two dual-band output channels with Channel 1 having a NF of 0.92/0.93 dB and gain of 17.2/15.2 dB at 2.38/3.29 GHz and Channel 2 having a NF of 0.82/1.02 dB and gain of 16.8/14.2 dB at 2.82/3.8 GHz.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationCheng, S. M. and Psychogiou, D. (2024) 'Compact multi-band filter/diplexer LNAs using split-type multi-resonant stages', IEEE Transactions on Circuits and Systems I: Regular Papers, 71(10), pp. 4512-4523. https://doi.org/10.1109/TCSI.2024.3430376en
dc.identifier.doihttps://doi.org/10.1109/TCSI.2024.3430376en
dc.identifier.eissn1558-0806en
dc.identifier.endpage4523en
dc.identifier.issn1549-8328en
dc.identifier.issued10en
dc.identifier.journaltitleIEEE Transactions on Circuits and Systems I: Regular Papersen
dc.identifier.startpage4512en
dc.identifier.urihttps://hdl.handle.net/10468/16615
dc.identifier.volume71en
dc.language.isoenen
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en
dc.rights© 2024, the Authors. Published by IEEE. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectBandpass filteren
dc.subjectCo-designen
dc.subjectDiplexeren
dc.subjectFilter amplifieren
dc.subjectLow noise amplifieren
dc.subjectMulti-banden
dc.titleCompact multi-band filter/diplexer LNAs using split-type multi-resonant stagesen
dc.typeArticle (peer-reviewed)en
oaire.citation.issue10en
oaire.citation.volume71en
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