A 92.6 % tuning range VCO utilizing simultaneously controlling of transformers and MOS varactors in 0.13 μm CMOS technology

Yusuke Takigawa, Hiroshi Ohta, Qing Liu, Satoshi Kurachi, Nobuyuki Itoh, Toshihiko Yoshimasu

研究成果: Conference contribution

25 被引用数 (Scopus)

抄録

A novel resonant circuit consisting of transformer-based variable inductors and MOS varactors is proposed to implement an ultra-wideband voltage-controlled-oscillator (VCO). The VCO is designed and fabricated using 0.13 μm CMOS, and fully evaluated on wafer. The VCO IC exhibits a frequency tuning range as high as 92.6 % spanning from 1.2 GHz to 3.27 GHz. The measured phase noise of -120 dBc/Hz at 1 MHz offset from the 3.1 GHz carrier is obtained.

本文言語English
ホスト出版物のタイトルProceedings of the 2009 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2009
ページ83-86
ページ数4
DOI
出版ステータスPublished - 2009 11 6
イベント2009 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2009 - Boston, MA, United States
継続期間: 2009 6 72009 6 9

出版物シリーズ

名前Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium
ISSN(印刷版)1529-2517

Conference

Conference2009 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2009
CountryUnited States
CityBoston, MA
Period09/6/709/6/9

ASJC Scopus subject areas

  • Engineering(all)

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