Design and implementation of 0.7 to 7 GHz broadband double-ridged horn antenna

  • Ali Mehrdadian
  • , Hojjatollah Fallahi
  • , Mohsen Kaboli
  • , Seyyed Abdollah Mirtaheri

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

In this paper, simulation and measurement results of 0.7-7 GHz double-ridged guide horn (DRGH) antenna with coaxial input feed section is presented. This antenna, due to the large frequency band required by standards, is appropriate to be used in electromagnetic compatibility (EMC) testing and antenna measurement as a transmitter. A step by step method for designing DRGH antenna is given. A suitable taper for the ridges in the horn is designed and its impedance variations along the horn are shown. In addition, a new structure for the electrical field probe in the feed section is introduced by which a shift-down of lower frequency to 0.7 GHz is achieved. A sensitivity analysis is done on the parameters of the proposed structure. Other parameters of the feed section are also investigated and optimized values are obtained. Finally, the proposed antenna has been fabricated and measurement results show good agreement with the simulation.
Original languageEnglish
Title of host publication7'th International Symposium on Telecommunications, IST'2014
PublisherInstitute of Electrical and Electronics Engineers
Pages250-255
Number of pages6
ISBN (Electronic)978-1-4799-5359-2
DOIs
Publication statusPublished - 8 Jan 2015
Externally publishedYes
Event7'th International Symposium on Telecommunications (IST'2014) - Tehran, Iran, Islamic Republic of
Duration: 9 Sept 201411 Sept 2014

Conference

Conference7'th International Symposium on Telecommunications (IST'2014)
Country/TerritoryIran, Islamic Republic of
CityTehran
Period9/09/1411/09/14

Keywords

  • Impedance
  • Antenna measurements
  • Electromagnetic waveguides
  • Horn antennas
  • Broadband antennas
  • Probes
  • Cutoff frequency

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