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Low-Profile CTS Array in PCB Technology for K/Ka-Band Applications

Abstract : In this paper, an ultra-low-profile wideband continuous transverse stub (CTS) array is presented. The antenna module is fully realized in multilayer printed circuit board (PCB) technology, comprising 9 dielectric substrates. Particularly, the radiating part consists of long slots etched on the top of the eighth dielectric substrate. The slots are parallel-fed by a corporate feed network made of vertical parallel-plate waveguides (PPW), using via-fences. A pillbox system, embedded into two substrates, is employed to feed the slots with a line source. The antenna module is low cost and presents a very low form factor. A prototype was fabricated and measured in the K/Ka-band. The antenna array provides a pencil-beam radiation for angles of scanning as far as ±24° along the azimuth plane parallel to the slots. The input reflection coefficient is below -10 dB in the frequency range 19-31 GHz (48% of relative bandwidth). The maximum realized gain is 21 dB at 29 GHz.
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Contributor : Laurent Jonchère Connect in order to contact the contributor
Submitted on : Thursday, June 3, 2021 - 4:57:19 PM
Last modification on : Wednesday, April 27, 2022 - 3:54:39 AM



M. del Mastro, A. Mahmoud, T. Potelon, R. Sauleau, G. Quagliaro, et al.. Low-Profile CTS Array in PCB Technology for K/Ka-Band Applications. 15th European Conference on Antennas and Propagation, EuCAP 2021, Mar 2021, Dusseldorf, Germany. pp.9411222, ⟨10.23919/EuCAP51087.2021.9411222⟩. ⟨hal-03248728⟩



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