Active Ka-band Open-Ended Waveguide Antenna with Built-in IC Cooling for Use in Large Arrays

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Abstract

This paper presents the design of an open-ended waveguide (OEWG) array element operating between 34 GHz and 36 GHz. The OEWG is coupled to a quarter-wave patch antenna on a PCB, which connects to a millimeter-wave IC via a grounded co-planar waveguide. The radiating element is co-designed with an integrated liquid cooling solution to remove heat from the amplifier and phase-shifting IC. Furthermore, a 4x4-element is presented to demonstrate the OEWG design, feed and cooling operation. Although PCB manufacturing deviations were observed in the demonstrator, the realized elements are expected to operate over the entire desired frequency range.
Original languageEnglish
Title of host publication2021 18th European Radar Conference (EuRAD)
PublisherInstitute of Electrical and Electronics Engineers
Pages129-132
Number of pages4
ISBN (Electronic)978-2-87487-065-1
DOIs
Publication statusPublished - 2 Jun 2022
Event18th European Radar Conference, EuRAD 2021 - ExCel Conference Center, London, United Kingdom
Duration: 5 Apr 20227 Apr 2022
Conference number: 18
https://www.eumw2021.com/conferences/eurad.html

Conference

Conference18th European Radar Conference, EuRAD 2021
Abbreviated titleEuRAD
Country/TerritoryUnited Kingdom
CityLondon
Period5/04/227/04/22
Internet address

Keywords

  • Open-ended waveguide
  • Waveguide launcher
  • Patch antenna
  • Ka-band
  • Phased array
  • Active cooling

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