Wideband Tapered Slot Antenna for D-Band Applications

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Abstract

This paper presents a wideband tapered slot antenna for D-band (110–170 GHz) applications. The antenna is fed by a substrate integrated waveguide (SIW) and achieves a simulated gain of 11.1 dBi at 170 GHz. The in-band gain variation is less than 3 dB. The designed SIW is based on a thin aluminium nitride (AlN) substrate with hollow plated vias working as the vertical conductor walls. The substrate is extended and inserted into a tapered slot antenna. The concept of designing SIW-fed tapered slot antenna is described in detail. The assembly structure is illustrated and the antenna radiation pattern is shown. The proposed SIW-fed tapered slot antenna also provides a wideband matching at D-band. The simulated return loss remains better than 18 dB from 110 GHz to 170 GHz which corresponds to a bandwidth of 43% at 140 GHz.
Original languageEnglish
Title of host publicationProceedings of 2020 14th European Conference on Antennas and Propagation
PublisherIEEE
Publication date2020
Pages1-4
ISBN (Print)978-1-7281-3712-4
DOIs
Publication statusPublished - 2020
Event14th European Conference on Antennas and Propagation - Virtual event, Copenhagen, Denmark
Duration: 15 Mar 202020 Mar 2020
https://www.eucap2020.org/

Conference

Conference14th European Conference on Antennas and Propagation
LocationVirtual event
Country/TerritoryDenmark
CityCopenhagen
Period15/03/202020/03/2020
Internet address

Keywords

  • D-band
  • Substrate integrated waveguide (SIW)
  • Tapered slot antenna
  • Wideband

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