• DocumentCode
    1377586
  • Title

    Stability Analysis of RF Power Amplifier Envelope Feedback

  • Author

    Kheirkhahi, Alireza ; Naghshtabrizi, Payam ; Larson, Lawrence E.

  • Author_Institution
    Dept. of Electr. & Comput. Eng., Univ. of California San Diego, La Jolla, CA, USA
  • Volume
    58
  • Issue
    12
  • fYear
    2011
  • Firstpage
    852
  • Lastpage
    856
  • Abstract
    Envelope feedback loop stability criteria are derived based on the Lyapunov stability theorem for time-varying systems using the linear matrix inequality technique. Effects of system parameters on stability are investigated. An envelope feedback system is simulated and measured at RF frequencies, and the derived stability boundaries are in good agreement with simulation and measurement results.
  • Keywords
    circuit stability; feedback; microwave power amplifiers; Lyapunov stability theorem; RF frequencies; RF power amplifier envelope feedback; envelope feedback system; linear matrix inequality technique; stability analysis; system parameters; time-varying systems; Mathematical model; Power amplifiers; Radio frequency; Stability criteria; Time varying systems; Distortion reduction; envelope feedback; linear matrix inequalities (LMIs); radio frequency (RF) power amplifier (PA); stability; state-space model; time-delay; time-varying system;
  • fLanguage
    English
  • Journal_Title
    Circuits and Systems II: Express Briefs, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    1549-7747
  • Type

    jour

  • DOI
    10.1109/TCSII.2011.2172711
  • Filename
    6082409
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1377586