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High-gain planar TEM horn antenna fed by balanced microstrip line

  • Shu Lin*
  • , Xin Yue Zhang
  • , Xing Qi Zhang
  • , Xue Ying Zhang
  • , Run Nan Cai
  • , Guan Long Huang
  • , Li Wen Jing
  • , Wen Bin Zhang
  • *Corresponding author for this work
  • School of Electronics and Information Engineering, Harbin Institute of Technology

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

Abstract

A printed TEM horn antenna with high gain fed by balanced microstrip line is proposed. The radiation part of the antenna consists of two symmetrical triangular metal slice branches printed on the FR-4 substrate with 1.5mm thickness. The two branches are fed by balanced microstrip line. The antenna is simulated by software CST MICROWAVE STUDIO® and the equivalent adopted dipole model is proposed to describe the radiation characteristic of the antenna. The simulated results indicate that the frequency range is from 1.64GHz to 5GHz with reflection coefficient less than -6dB, and the typical gain value is 8dB in the operating bandwidth. In order to improve antenna gain without influencing the bandwidth, the length of the dielectric slab should be extended appropriately in the main radiation direction. By extending the length of the dielectric slab appropriately in the main radiation direction, the antenna gain can be improved significantly without influence on the bandwidth. The prototype has been fabricated and measured in microwave anechoic chamber which is coincident with the simulated results. This antenna can be widely applied in the UWB field.

Original languageEnglish
Title of host publicationProceedings of the 2011 6th International ICST Conference on Communications and Networking in China, CHINACOM 2011
Pages909-912
Number of pages4
DOIs
StatePublished - 2011
Event2011 6th International ICST Conference on Communications and Networking in China, CHINACOM 2011 - Harbin, China
Duration: 17 Aug 201119 Aug 2011

Publication series

NameProceedings of the 2011 6th International ICST Conference on Communications and Networking in China, CHINACOM 2011

Conference

Conference2011 6th International ICST Conference on Communications and Networking in China, CHINACOM 2011
Country/TerritoryChina
CityHarbin
Period17/08/1119/08/11

Keywords

  • TEM horn
  • balanced microstrip line
  • high gain
  • planar antenna

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