The 12MHz Switched Capacitor Low-Pass Filter Chip Design for WiMAX Applications

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著者

    • HUANG Jhin-Fang
    • Dept. of Electronic Engineering, National Taiwan Univ. of Science and Technology
    • LAI Wen-Cheng
    • Dept. of Electronic Engineering, National Taiwan Univ. of Science and Technology
    • HUANG Kun-Jie
    • Dept. of Electronic Engineering, National Taiwan Univ. of Science and Technology
    • LIU Ron-Yi
    • Chung-Hwa Telecom. Lab., Chung-Hwa Telecom. Inc.

抄録

In this paper, a fifth order curer low-pass filter using as switched-capacitor (SC) architecture is proposed and fabricated with TSMC 0.18µm CMOS process. A fully differential SC is adopted via the bilinear transform of the corresponding analogue RLC passive prototype. To reach the largest possible input dynamic range and save chip area, the method of dynamic range scaling and minimum capacitor scaling is used. Measured results show that the proposed filter achieves a pass-band of 12.1MHz with a sampling rate of 100MHz, a SFDR of 50dB, a stop-band attenuation greater than 50dB and a power consumption of 48.5mW at 1.8V power supply. Including pads, the chip area occupies 1.515 (1.39×1.09)mm<sup>2</sup>. This paper has the feature of low noise, excellent linearity of the filter, and high stability. The experimental results show that it has perfect performance for WiMAX applications and standard is recommended.

収録刊行物

  • IEICE transactions on electronics

    IEICE transactions on electronics 95(5), 972-975, 2012-05-01

    一般社団法人 電子情報通信学会

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各種コード

  • NII論文ID(NAID)
    10030941723
  • NII書誌ID(NCID)
    AA10826283
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    09168524
  • データ提供元
    CJP書誌  J-STAGE 
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