• DocumentCode
    961407
  • Title

    Compact broadband TE01-mode generator

  • Author

    Bøifot, A.M.

  • Author_Institution
    Norwegian Inst. of Technol., Trondheim, Norway
  • Volume
    140
  • Issue
    5
  • fYear
    1993
  • fDate
    10/1/1993 12:00:00 AM
  • Firstpage
    339
  • Lastpage
    342
  • Abstract
    A compact broadband TE01-mode generator is presented. It consists of five identical sectorial waveguides which are stepped into an ordinary circular waveguide. These sectorial waveguides are fed by five identical probes at the end of a star-shaped feed line with five arms. This feed line is placed in a trace between the sectorial waveguides. A consequence of the five-fold symmetry is that the lowest parasitic mode which can be generated and propagated has a cutoff far above the frequency range of operation (9.5-10.5 GHz). The measurements show that the return loss is less than -15 dB in the frequency range of operation. The mode purity is better than 99.4%
  • Keywords
    circular waveguides; waveguide components; 9.5 to 10.5 GHz; circular waveguide; compact broadband TE01-mode generator; five-fold symmetry; lowest parasitic mode; mode purity; return loss; sectorial waveguides; star-shaped feed line;
  • fLanguage
    English
  • Journal_Title
    Microwaves, Antennas and Propagation, IEE Proceedings H
  • Publisher
    iet
  • ISSN
    0950-107X
  • Type

    jour

  • Filename
    240113