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Design and the Characteristic Analysis of Balun for Broadband Horn Antenna

  • Journal of Knowledge Information Technology and Systems
  • Abbr : JKITS
  • 2010, 5(6), pp.163-169
  • Publisher : Korea Knowledge Information Technology Society
  • Research Area : Interdisciplinary Studies > Interdisciplinary Research
  • Published : December 31, 2010

문선주 1 Lim, Dong Kyun 2 Choi, Jae Yeon 3

1Imperial college London
2한양사이버대학교
3남서울대학교

Candidate

ABSTRACT

In this study, the balun for the broadband TEM horn antenna is designed and analyzed. The assumption can make the analysis easy that there exists the only the vertical component of the current on the conducting plates. According to this assumption, the TEM horn antenna can be approximated to many dipole antennas. The TEM horn is feeded by the balun which is designed here. The two stage cascaded Lange coupler composes the balun and the impedance transformer is already designed by the short-linear matching method and the linear double taper method. The TEM horn antenna is analyzed by measuring the input impedance and the return loss. The transfer characteristics of the balun is also analyzed.

Citation status

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