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Hybrid Additive Manufacturing of a Dielectric Resonator Phased Array Antenna at K Band

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Abstract

This study explores the feasibility of using a hybrid additive manufacturing (AM) to design and produce low-cost, wideband phased array antennas for SatCom applications. We demonstrate the design, fabrication and experimental verificatino of an eight-element linear array comprised of multi-mode dielectric resonator antennas (DRAs) providing full coverage of the K-band SatCom downlink bandwidth (17.7-21.2 GHz). The impact of print settings on material properties is assessed and incorporated into the antenna design process. The manufactured prototype is experimentally verified via impedance and far-field measurements. Furthermore, beam steering capabilities are demonstrated using a commercially available integrated circuit and a simple calibration procedure. The phased array antenna achieves full coverage of the intended band with an input reflectino coefficient below -10 dB. The averaged embedded element pattern demonstrates a realized gain of approximately 3 dB and a half-power beamwidth of 81 degrees. These results highlight the potential of combining hybrid AM and DRA technologies for future mmWave phased array development.

Original languageEnglish
Title of host publication2024 IEEE International Symposium on Phased Array Systems and Technology, ARRAY 2024
PublisherIEEE
Number of pages8
ISBN (Electronic)9798350392142
DOIs
Publication statusPublished - 2024
Event2024 IEEE International Symposium on Phased Array Systems and Technology, ARRAY 2024 - Boston, United States
Duration: 15 Oct 202418 Oct 2024

Publication series

NameIEEE International Symposium on Phased Array Systems and Technology
ISSN (Print)1554-8422
ISSN (Electronic)2767-1909

Conference

Conference2024 IEEE International Symposium on Phased Array Systems and Technology, ARRAY 2024
Country/TerritoryUnited States
CityBoston
Period15/10/2418/10/24

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

  • Additive Manufacturing
  • Dielectric Resonator Antenna
  • mmWave
  • Phased Array
  • SatCom

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