• DocumentCode
    2870232
  • Title

    A 4-Channel UWB Beam-Former in 0.13μm CMOS using a Path-Sharing True-Time-Delay Architecture

  • Author

    Chu, Ta-Shun ; Roderick, Jonathan ; Hashemi, Hossein

  • Author_Institution
    Southern California Univ., Los Angeles, CA
  • fYear
    2007
  • fDate
    11-15 Feb. 2007
  • Firstpage
    426
  • Lastpage
    613
  • Abstract
    A fully integrated 4-channel UWB beam-former in 0.13μm CMOS uses a path-sharing true-time-delay architecture with 15ps resolution. The 3.1×3.2mm2 chip produces 11 different scanning angles within plusmn60deg with 10° spatial resolution for 25mm antenna spacing. The front-end achieves an NF of 2.9 to 4.8dB across 18GHz of BW with less than 5ps of group delay variation.
  • Keywords
    CMOS integrated circuits; delay circuits; multifrequency antennas; ultra wideband antennas; ultra wideband communication; ultra wideband technology; 0.13 micron; 15 ps; 18 GHz; 2.9 to 4.8 dB; 25 mm; CMOS; antenna spacing; monolithic 4-channel UWB beam-former; path-sharing true-time-delay architecture; spatial resolution; Azimuth; Bandwidth; Delay; High-resolution imaging; Image resolution; Narrowband; Optical imaging; Phased arrays; Power amplifiers; Signal resolution;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Solid-State Circuits Conference, 2007. ISSCC 2007. Digest of Technical Papers. IEEE International
  • Conference_Location
    San Francisco, CA
  • ISSN
    0193-6530
  • Print_ISBN
    1-4244-0852-0
  • Electronic_ISBN
    0193-6530
  • Type

    conf

  • DOI
    10.1109/ISSCC.2007.373476
  • Filename
    4242447