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A 220-320-GHz Vector-Sum Phase Shifter Using Single Gilbert-Cell Structure With Lossy Output Matching

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dc.contributor.authorKim, Younghwan-
dc.contributor.authorKim, Sooyeon-
dc.contributor.authorLee, Iljin-
dc.contributor.authorUrteaga, Miguel-
dc.contributor.authorJeon, Sanggeun-
dc.date.accessioned2021-09-04T20:25:01Z-
dc.date.available2021-09-04T20:25:01Z-
dc.date.created2021-06-15-
dc.date.issued2015-01-
dc.identifier.issn0018-9480-
dc.identifier.urihttps://scholar.korea.ac.kr/handle/2021.sw.korea/94751-
dc.description.abstractThis paper presents a wideband vector-sum phase shifter (VSPS) that operates over the entire WR-3 band (220-320 GHz). Compared to conventional VSPSs with double Gilbert cells, the proposed phase shifter employs a single Gilbert-cell structure for vector modulation. This reduces the output current combining ratio from 8: 2 to 4: 2, and boosts the impedance at the combining node, thus facilitating wideband output matching at upper millimeter-wave and terahertz bands. The simplified structure leads to a reduction in dc power consumption and chip area without sacrificing the 360 phase-shifting property. Lossy matching is applied at the Gilbert-cell output to further increase bandwidth and stability at the expense of relatively high loss. The phase shifter is implemented using a 250-nm InP DHBT technology that provides f(T) and f(max) exceeding 370 and 650 GHz, respectively. The measurements exhibit a wideband phase shift with continuous 360 degrees coverage and average insertion loss ranging from 11.8 to 15.6 dB for the entire WR-3 band. The root mean square amplitude and phase error among different phase states are less than 1.2 dB and 10.2 degrees, respectively. The input-referred 1-dB compression is measured at 0.7 dBm on average. The dc power consumption is 21.8-42.0 mW at different phase states.-
dc.languageEnglish-
dc.language.isoen-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.subjectARRAY-
dc.subjectRECEIVER-
dc.subjectTRANSMITTER-
dc.subjectCMOS-
dc.subjectFUTURE-
dc.titleA 220-320-GHz Vector-Sum Phase Shifter Using Single Gilbert-Cell Structure With Lossy Output Matching-
dc.typeArticle-
dc.contributor.affiliatedAuthorJeon, Sanggeun-
dc.identifier.doi10.1109/TMTT.2014.2376515-
dc.identifier.scopusid2-s2.0-84920734670-
dc.identifier.wosid000347524700025-
dc.identifier.bibliographicCitationIEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, v.63, no.1, pp.256 - 265-
dc.relation.isPartOfIEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES-
dc.citation.titleIEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES-
dc.citation.volume63-
dc.citation.number1-
dc.citation.startPage256-
dc.citation.endPage265-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaEngineering-
dc.relation.journalWebOfScienceCategoryEngineering, Electrical & Electronic-
dc.subject.keywordPlusARRAY-
dc.subject.keywordPlusRECEIVER-
dc.subject.keywordPlusTRANSMITTER-
dc.subject.keywordPlusCMOS-
dc.subject.keywordPlusFUTURE-
dc.subject.keywordAuthorBeam forming-
dc.subject.keywordAuthorInP DHBT-
dc.subject.keywordAuthorlossy matching-
dc.subject.keywordAuthorsingle Gilbert-cell structure-
dc.subject.keywordAuthorvector-sum phase shifter (VSPS)-
dc.subject.keywordAuthorWR-3 band-
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