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Communication Dans Un Congrès Année : 2022

Wide-Band Wide-Scan High-Gain CTS Array for SatCom Applications in PCB Technology

Résumé

This communication presents a continuous transverse stub (CTS) array with a gain larger than 38.5 dBi at K/Ka band (17 GHz - 31 GHz) for SatCom applications. The CTS array is fabricated in printed circuit board technology (PCB) with a stack-up of 15 layers without any buried and blind vias by resorting to a novel contact-less transition among layers. A very-broadband quasi-optical beamformer made by a pillbox coupler is used as a feeder. Such a coupler is optimized to cover the K/Ka band. A +/- 65 degrees beam steering angle in elevation is obtained. The steering is achieved through a mechanically moving horn placed in the focal planer of the pillbox coupler. The antenna's aperture is a square with 62.2 lambda(0) side length and a thickness of approximately 6 lambda(0), where lambda(0) is the free space wavelength at 31 GHz.
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Dates et versions

hal-04056439 , version 1 (03-04-2023)

Identifiants

Citer

Adham Mahmoud, Ronan Sauleau, Mauro Ettorre. Wide-Band Wide-Scan High-Gain CTS Array for SatCom Applications in PCB Technology. 27th International Symposium on Antennas and Propagation (ISAP), Oct 2022, Sydney, Australia. ⟨10.1109/ISAP53582.2022.9998718⟩. ⟨hal-04056439⟩
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