A 2.4-GHz CMOS Common-Gate Combining Power Amplifier With Load Impedance Adaptor

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dc.contributor.authorJin, Yun Suko
dc.contributor.authorHong, Songcheolko
dc.date.accessioned2017-10-23T01:27:42Z-
dc.date.available2017-10-23T01:27:42Z-
dc.date.created2017-09-25-
dc.date.created2017-09-25-
dc.date.issued2017-09-
dc.identifier.citationIEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, v.27, no.9, pp.836 - 838-
dc.identifier.issn1531-1309-
dc.identifier.urihttp://hdl.handle.net/10203/226293-
dc.description.abstractA CMOS common-gate (CG) combining power amplifier is introduced, which has a simple load impedance adaptor. The CG stage of a cascode amplifier consists of a main amplifier with a load impedance adapter and an auxiliary amplifier with a phase compensator, which are biased for classes AB and C, respectively. The proposed configuration not only increases the efficiency of the power amplifier (PA) at back-off powers, but also increases the linearity at high output powers by canceling AM-AM and AM-PM nonlinearities of the main amplifier with those of the auxiliary amplifier. A load impedance adaptor can be used to match two different optimum load impedances of the main and auxiliary amplifiers simultaneously. A phase compensator is introduced to match the output phases of both amplifiers. It has a die size of 0.9 x 1.63 mm(2) operates at 2.484 GHz with a 3.3 V supply, which is implemented with the 0.18-mu m CMOS technology. It shows a linear output power of 22.1 dBm with a PAE of 32% for an 802.11 n signal at error vector magnitude (EVMs) of -25 dB, and it also shows apparent efficiency improvements at back-off powers.-
dc.languageEnglish-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.titleA 2.4-GHz CMOS Common-Gate Combining Power Amplifier With Load Impedance Adaptor-
dc.typeArticle-
dc.identifier.wosid000409525900022-
dc.identifier.scopusid2-s2.0-85028511734-
dc.type.rimsART-
dc.citation.volume27-
dc.citation.issue9-
dc.citation.beginningpage836-
dc.citation.endingpage838-
dc.citation.publicationnameIEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS-
dc.identifier.doi10.1109/LMWC.2017.2734748-
dc.contributor.localauthorHong, Songcheol-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorAM-PM-
dc.subject.keywordAuthorCMOS power amplifier-
dc.subject.keywordAuthorcombining-
dc.subject.keywordAuthorcommon-gate (CG)-
dc.subject.keywordAuthorlinearity-
dc.subject.keywordAuthorload impedance adaptor-
dc.subject.keywordAuthorphase adaptor-
dc.subject.keywordAuthorwireless local area network (WLAN)-
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