X-band Antenna with Enhanced Gain and Sidelobe Suppression

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Abstract

This paper presents a planar circular patch antenna with high gain and sidelobe suppression working in X-band. Two circular slots are employed in this work to increase gain and SLL, by using the superposition of the field radiated from these apertures. A circle of N = 10 small vias with nonuniform radius load the antenna cavity in order to excite an additional mode and increase the impedance bandwidth. This antenna shows a realized gain of 15 dBi and an SLL of about -14 dB with a relative impedance bandwidth of 4.5% at expenses of an increased area of the antenna. The benefits and limitations of adding more than one radiating aperture are discussed in this paper.
Original languageEnglish
Title of host publication2019 13th European Conference on Antennas and Propagation (EuCAP)
Number of pages4
PublisherIEEE
Publication date2019
Article number8739492
ISBN (Print)978-1-5386-8127-5
ISBN (Electronic)978-88-907018-8-7
Publication statusPublished - 2019
Event13th European Conference on Antennas and Propagation, EuCAP 2019 - Krakow, Poland
Duration: 31 Mar 20195 Apr 2019

Conference

Conference13th European Conference on Antennas and Propagation, EuCAP 2019
CountryPoland
CityKrakow
Period31/03/201905/04/2019

Keywords

  • Antenna
  • sidelobes suppression
  • High Gain
  • antenna
  • high gain
  • sidelobe level

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