Millimeter-wave stepped series array with LTCC

Sabin Kumar Karki, Juha Ala-Laurinaho, Jianfang Zheng, Markku Lahti, Ville Viikari

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

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Abstract

The series fed antenna arrays are widely used to minimize the feeding losses. A novel method to control the coupling/admittance between the series array elements is studied. In this work, two substrate integrated waveguide (SIW) fed aperture coupled 1×4 patch arrays are designed on the LTCC platform. The admittance of the array elements are controlled with the stepped SIW and the non-uniform aperture coupling technique. The simulated and measured -10-dB impedance bandwidth of the designed antenna is approx. 6-7%. At 75 GHz, the maximum boresight directivity and realized gain of the designed antennas are 12 dB and 9 dBi, respectively. Additionally, a microstrip line (MSL)-SIW vertical transition structure is designed to facilitate the multi-layered RF structure in LTCC.

Original languageEnglish
Title of host publicationEuRAD 2019 - 2019 16th European Radar Conference
PublisherIEEE
Pages321-324
Number of pages4
ISBN (Electronic)9782874870576
Publication statusPublished - 1 Oct 2019
MoE publication typeA4 Article in a conference publication
EventEuropean Radar Conference - Paris, France
Duration: 2 Oct 20194 Oct 2019
Conference number: 16

Conference

ConferenceEuropean Radar Conference
Abbreviated titleEuRAD
CountryFrance
CityParis
Period02/10/201904/10/2019

Keywords

  • LTCC
  • Series array
  • SIW
  • Stepped waveguide
  • Transverse slot
  • Vertical transition

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