{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390004222630183296.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1587/transele.2020mmp0001"}},{"identifier":{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/transele/E103.C/10/E103.C_2020MMP0001/_pdf"}},{"identifier":{"@type":"NAID","@value":"130007920632"}}],"dc:title":[{"@language":"en","@value":"0.3 V 15-GHz Band VCO ICs with Novel Transformer-Based Harmonic Tuned Tanks in 45-nm SOI CMOS"}],"dc:language":"en","description":[{"type":"abstract","notation":[{"@language":"en","@value":"<p>This paper presents two ultra-low voltage and high performance VCO ICs with two novel transformer-based harmonic tuned tanks. The first proposed harmonic tuned tank effectively shapes the pseudo-square drain-node voltage waveform for close-in phase noise reduction. To compensate the voltage drop caused by the transformer, an improved second tank is proposed. It not only has tuned harmonic impedance but also provides a voltage gain to enlarge the output voltage swing over supply voltage limitation. The VCO with second tank exhibits over 3 dB better phase noise performance in 1/f<sup>2</sup> region among all tuning range. The two VCO ICs are designed, fabricated and measured on wafer in 45-nm SOI CMOS technology. With only 0.3 V supply voltage, the proposed two VCO ICs exhibit best phase noise of -123.3 and -127.2 dBc/Hz at 10 MHz offset and related FoMs of -191.7 and -192.2 dBc/Hz, respectively. The frequency tuning ranges of them are from 14.05 to 15.14 GHz and from 14.23 to 15.68 GHz, respectively.</p>"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1420845751142826496","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"70367176"},{"@type":"NRID","@value":"1000070367176"},{"@type":"NRID","@value":"9000004752542"},{"@type":"NRID","@value":"9000001620534"},{"@type":"NRID","@value":"9000410316722"},{"@type":"NRID","@value":"9000006139645"},{"@type":"NRID","@value":"9000402442446"},{"@type":"NRID","@value":"9000004754968"},{"@type":"NRID","@value":"9000404528445"},{"@type":"NRID","@value":"9000411388503"},{"@type":"NRID","@value":"9000297482981"},{"@type":"NRID","@value":"9000399364591"},{"@type":"NRID","@value":"9000408634367"},{"@type":"NRID","@value":"9000258451152"},{"@type":"NRID","@value":"9000404528324"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0113165"}],"foaf:name":[{"@language":"en","@value":"YOSHIMASU Toshihiko"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Graduate School of Information, Production and Systems, Waseda University"}]},{"@id":"https://cir.nii.ac.jp/crid/1410004222630183298","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000410316721"}],"foaf:name":[{"@language":"en","@value":"SUGIURA Tsuyoshi"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Samsung R&D Institute"}]},{"@id":"https://cir.nii.ac.jp/crid/1410004222630183296","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000410316720"}],"foaf:name":[{"@language":"en","@value":"XU Xiao"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Graduate School of Information, Production and Systems, Waseda University"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"09168524"},{"@type":"EISSN","@value":"17451353"}],"prism:publicationName":[{"@language":"en","@value":"IEICE Transactions on Electronics"},{"@language":"en","@value":"IEICE Trans. Electron."}],"dc:publisher":[{"@language":"en","@value":"The Institute of Electronics, Information and Communication Engineers"},{"@language":"ja","@value":"一般社団法人 電子情報通信学会"}],"prism:publicationDate":"2020-10-01","prism:volume":"E103.C","prism:number":"10","prism:startingPage":"417","prism:endingPage":"425"},"reviewed":"false","url":[{"@id":"https://www.jstage.jst.go.jp/article/transele/E103.C/10/E103.C_2020MMP0001/_pdf"}],"availableAt":"2020-10-01","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=LC-VCO","dc:title":"LC-VCO"},{"@id":"https://cir.nii.ac.jp/all?q=low%20voltage","dc:title":"low voltage"},{"@id":"https://cir.nii.ac.jp/all?q=low%20power","dc:title":"low power"},{"@id":"https://cir.nii.ac.jp/all?q=impulse%20sensitivity%20function%20(ISF)","dc:title":"impulse sensitivity function (ISF)"},{"@id":"https://cir.nii.ac.jp/all?q=transformer-based%20harmonic%20tuned%20tank","dc:title":"transformer-based harmonic tuned tank"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360011143986529024","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"A filtering technique to lower LC oscillator phase noise"}]},{"@id":"https://cir.nii.ac.jp/crid/1360011144961219968","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"A low phase-noise CMOS VCO with harmonic tuned LC tank"}]},{"@id":"https://cir.nii.ac.jp/crid/1360011146225137792","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"An inverse-class-F CMOS VCO with intrinsic-high-Q 1<sup>st</sup>- and 2<sup>nd</sup>-harmonic resonances for 1/f<sup>2</sup>-to-1/f<sup>3</sup> phase-noise suppression achieving 196.2dBc/Hz FOM"}]},{"@id":"https://cir.nii.ac.jp/crid/1360292619436020224","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Analysis and Minimization of Flicker Noise Up-Conversion in Voltage-Biased 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