• DocumentCode
    85372
  • Title

    Wideband microstrip rat-race hybrid with via-swap phase inverter

  • Author

    Mung, S.W.Y. ; Chan, Wing Shing

  • Author_Institution
    Dept. of Electron. Eng., City Univ. of Hong Kong, Kowloon, China
  • Volume
    50
  • Issue
    2
  • fYear
    2014
  • fDate
    January 16 2014
  • Firstpage
    96
  • Lastpage
    98
  • Abstract
    A via-swap 180° phase inverter on the slotted ground is presented. The phase inverter with a 90° line replaces the conventional 270° line built into the microstrip rat-race hybrid. This results in a size reduction and the widening of the bandwidth. The experiments show that the proposed hybrid has a good performance from 1.5 to 2.5 GHz (fo = 2 GHz). The bandwidth is increased from 10 to 50% and a 43% size reduction is obtained compared with the conventional rat-race hybrid.
  • Keywords
    UHF circuits; invertors; microstrip circuits; frequency 1.5 GHz to 2.5 GHz; size reduction; slotted ground; via-swap phase inverter; wideband microstrip rat-race hybrid;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el.2013.3234
  • Filename
    6729330