• DocumentCode
    1383932
  • Title

    A Method for Noise Reduction in Active- RC Circuits

  • Author

    Gharibdoust, Kiarash ; Bakhtiar, Mehrdad Sharif

  • Author_Institution
    Sharif Univ. of Technol., Tehran, Iran
  • Volume
    58
  • Issue
    12
  • fYear
    2011
  • Firstpage
    906
  • Lastpage
    910
  • Abstract
    A method for noise reduction in active-RC circuits is introduced. It is shown that the output noise in an active-RC circuit can be considerably reduced, without disturbing the circuit transfer function by inserting appropriate passive or active components in the circuit. The inserted components introduce new signal paths in the circuit for noise reduction while the original circuit transfer function is kept unchanged. The procedure to define the proper paths in the circuit and their transfer functions is given. The effectiveness of the presented method is demonstrated using a second-order active-RC filter fabricated in a 0.18-μm CMOS technology.
  • Keywords
    CMOS integrated circuits; active filters; integrated circuit noise; transfer functions; CMOS technology; active-RC circuits; circuit transfer function; noise reduction; second-order active-AC filter; size 0.18 mum; CMOS integrated circuits; Integrated circuit modeling; Noise measurement; Noise reduction; Optimization; Transfer functions; Active-$RC$ filter; CMOS technology; feedforward path; filter noise; noise reduction;
  • fLanguage
    English
  • Journal_Title
    Circuits and Systems II: Express Briefs, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    1549-7747
  • Type

    jour

  • DOI
    10.1109/TCSII.2011.2172521
  • Filename
    6088002