A 60-GHz injection-locked frequency divider using multi-order LC oscillator topology for wide locking range

Keita Takatsu, Hirotaka Tamura, Takuji Yamamoto, Yoshiyasu Doi, Koichi Kanda, Takayuki Shibasaki, Tadahiro Kuroda

    研究成果: Article査読

    抄録

    A 60-GHz injection-locked frequency divider (ILFD) is presented. A multi-order LC oscillator topology is proposed to enhance the locking range of the divider. A design guideline is described based on a theoretical analysis of the locking range enhancement. A test chip is fabricated in 65 nm CMOS. Measured locking range with 0 dBm input power is 48.5-62.9 GHz (25.9%), which is 63.6% wider compared to the previously reported ILFD. Power consumption excluding buffers and biasing circuits is 1.65mW from 1.2V supply. The core ILFD area is 0.0157mm2 even with an extra pair of inductors.

    本文言語English
    ページ(範囲)1049-1052
    ページ数4
    ジャーナルIEICE Transactions on Electronics
    E94-C
    6
    DOI
    出版ステータスPublished - 2011 6

    ASJC Scopus subject areas

    • 電子材料、光学材料、および磁性材料
    • 電子工学および電気工学

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