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An Efficient, High Power Q-Band SiGe HBT Power Amplifier with A Compact Four-Way Wilkinson Power Combiner Balun for Emerging Very Low-Earth-Orbit SATCOM
  • Lee, Hanjung ;
  • Han, Insu ;
  • Hwang, Jaehyeon ;
  • Ju, Inchan
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dc.contributor.authorLee, Hanjung-
dc.contributor.authorHan, Insu-
dc.contributor.authorHwang, Jaehyeon-
dc.contributor.authorJu, Inchan-
dc.date.issued2024-01-01-
dc.identifier.issn1529-2517-
dc.identifier.urihttps://aurora.ajou.ac.kr/handle/2018.oak/37144-
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85200266701&origin=inward-
dc.description.abstractThis work presents an energy-efficient, high power Q-band SiGe HBT cascode power amplifier (PA). A novel four-way Wilkinson power combiner balun (WPCB), realized by two coupled line impedance inverting baluns, is proposed not only to simplify signal routing for compact size, but also to obtain efficient power combining with an excellent signal balance. A prototype Q-band PA attains measured peak Pout, peak PAE, and power gain of 24.0 dBm, 35.3%, and 23.0 dB at 43.0 GHz, respectively, the highest power density among any Q-band Sibased PAs. Its 1 dB Pout bandwidth (BW) ranges from 37.0 to 43.0 GHz, covering downlink of Very Low Earth orbit (VLEO) satellite communication (SATCOM). The PA delivers Pavg of 18.1 dBm with PAEavg of 21.0% at 250MHz symbol rate DVB-S2X 64 APSK modulation.-
dc.description.sponsorshipThis research was supported by National RD Program through the National Research Foundation of Korea (NRF) funded by Ministry of Science and ICT (NRF- 2022M3I8A1078437). The authors are grateful to the GlobalFoundries SiGe team for chip fabrication. They also would like to thank the Integrated circuit Design Education Center (IDEC) for providing EDA tools.-
dc.language.isoeng-
dc.publisherInstitute of Electrical and Electronics Engineers Inc.-
dc.subject.meshBalun-
dc.subject.meshBiCMOS-
dc.subject.meshHigh power-
dc.subject.meshLEO-
dc.subject.meshPower amplifier-
dc.subject.meshQ-bands-
dc.subject.meshSatellite communication-
dc.subject.meshSatellite communications-
dc.subject.meshSiGe HBTs-
dc.subject.meshWilkinson-
dc.titleAn Efficient, High Power Q-Band SiGe HBT Power Amplifier with A Compact Four-Way Wilkinson Power Combiner Balun for Emerging Very Low-Earth-Orbit SATCOM-
dc.typeConference-
dc.citation.conferenceDate2024.6.16. ~ 2024.6.18.-
dc.citation.conferenceName2024 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2024-
dc.citation.edition2024 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2024-
dc.citation.endPage294-
dc.citation.startPage291-
dc.citation.titleDigest of Papers - IEEE Radio Frequency Integrated Circuits Symposium-
dc.identifier.bibliographicCitationDigest of Papers - IEEE Radio Frequency Integrated Circuits Symposium, pp.291-294-
dc.identifier.doi10.1109/rfic61187.2024.10600007-
dc.identifier.scopusid2-s2.0-85200266701-
dc.subject.keywordBalun-
dc.subject.keywordBiCMOS-
dc.subject.keywordHBT-
dc.subject.keywordLEO-
dc.subject.keywordpower amplifier (PA)-
dc.subject.keywordsatellite communication (SATCOM)-
dc.subject.keywordSiGe-
dc.subject.keywordWilkinson-
dc.type.otherConference Paper-
dc.description.isoafalse-
dc.subject.subareaEngineering (all)-
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