• DocumentCode
    1295775
  • Title

    Comment on “A Dual-Frequency Transformer for Complex Impedances With Two Unequal Sections”

  • Author

    Dutta Roy, Suhash C.

  • Volume
    19
  • Issue
    9
  • fYear
    2009
  • Firstpage
    602
  • Lastpage
    602
  • Abstract
    The analysis presented in the above titled paper is defective because equations (7a)-(7d) are based on the assumption that the complex impedances Z0 and ZL do not change when the frequency changes from f 1 to f2 = mf 1. As a result, the numerical solutions based on these equations are not valid either.
  • Keywords
    electric impedance; transformers; complex impedances; dual-frequency transformer; frequency changes; unequal sections; Curve fitting; Equations; Frequency estimation; Matrix decomposition; Microwave theory and techniques; Parameter estimation; Sparse matrices; Transfer functions;
  • fLanguage
    English
  • Journal_Title
    Microwave and Wireless Components Letters, IEEE
  • Publisher
    ieee
  • ISSN
    1531-1309
  • Type

    jour

  • DOI
    10.1109/LMWC.2009.2027102
  • Filename
    5200459
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1295775