• DocumentCode
    1490662
  • Title

    Distortion in Current Commutating Passive CMOS Downconversion Mixers

  • Author

    Khatri, Himanshu ; Gudem, Prasad S. ; Larson, Lawrence E.

  • Author_Institution
    Dept. of Electr. & Comput. Eng., Univ. of California at San Diego, La Jolla, CA, USA
  • Volume
    57
  • Issue
    11
  • fYear
    2009
  • Firstpage
    2671
  • Lastpage
    2681
  • Abstract
    CMOS passive mixer linearity is analyzed using a Volterra-series analysis and closed-form expressions for IIP2, two-tone IIP3, and cross-modulation IIP3 are presented, exhibiting dependence upon the mixer source and load impedances. Design guidelines are suggested for improving the mixer linearity performance. Accurate expressions are presented for the input impedance of an ideal passive mixer with an arbitrary load impedance. The calculations are in close agreement with the measured results and the simulated response.
  • Keywords
    CMOS integrated circuits; Volterra series; intermodulation distortion; mixers (circuits); CMOS downconversion mixers; CMOS passive mixer; Volterra-series analysis; current commutating mixers; intermodulation distortion; load impedance; mixer linearity; Analog integrated circuits (ICs); CMOS passive mixer; Volterra series analysis; current commutating mixer; intermodulation distortion; passive mixer nonlinearity;
  • fLanguage
    English
  • Journal_Title
    Microwave Theory and Techniques, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9480
  • Type

    jour

  • DOI
    10.1109/TMTT.2009.2031930
  • Filename
    5276803