A 1.2-3.2GHz CMOS VCO IC Utilizing Transformer-Based Variable Inductors and AMOS Varactors

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概要

• 論文の詳細を見る

• A novel resonant circuit consisting of transformer-based switched variable inductors and switched accumulation MOS (AMOS) varactors is proposed to realize an ultrawide tuning range voltage-controlled-oscillator (VCO). The VCO IC is designed and fabricated using 0.11µm CMOS technology and fully evaluated on-wafer. The VCO exhibits a frequency tuning range as high as 92.6% spanning from 1.20GHz to 3.27GHz at an operation voltage of 1.5V. The measured phase noise of -120dBc/Hz at 1MHz offset from the 3.1GHz carrier is obtained.

• （社）電子情報通信学会の論文
• 2011-02-01

著者

• LIU Qing

  Graduate School of Information, Production and Systems, Waseda University

• TAKIGAWA Yusuke

  Graduate School of Information, Production and Systems, Waseda University

• KURACHI Satoshi

  Semiconductor Company, Toshiba Corporation

• Kurachi Satoshi

  Graduate School Of Information Production And Systems Waseda University

• Yoshimasu Toshihiko

  Graduate School Of Information Production And Systems Waseda University

• Itoh Nobuyuki

  Department Of Chemistry Science University Of Tokyo

• Itoh Nobuyuki

  Department Of Communication Of Engineering Okayama Prefectural University

• Takigawa Yusuke

  Graduate School Of Information Production And Systems Waseda University

• Kurachi Satoshi

  Semiconductor Company Toshiba Corporation

• Liu Qing

  Graduate School Of Information Production And Systems Waseda University

• Itoh Nobuyuki

  Department of Biological Chemistry, Faculty of Pharmaceutical Sciences, Kyoto University

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