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DOI: 10.14569/IJACSA.2018.091178
PDF

Electronically Reconfigurable Two-Stage Schiffman Phase Shifter for Ku Band Beam Steering Applications

Author 1: Rawia Wali
Author 2: Lotfi Osman
Author 3: Tchanguiz Razban
Author 4: Yann Mahé

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 9 Issue 11, 2018.

  • Abstract and Keywords
  • How to Cite this Article
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Abstract: An electronically reconfigurable phase shifter using two Schiffman sections is performed for beam steering applications in Ku band. The proposed phase shifter consists of only two cascaded coupled-line sections with the reference line removed. This circuit is loaded by varactor diodes that ensure its tunability over a wide bandwidth. By supplying these varactor diodes with suitable bias voltages, a phase shift is continuously adjusted and reached up to 168° at 12.7 GHz with low insertion losses according to the simulations. Thus, the proposed two-stage phase shifter is able to reach a beam steering angle of 28.6° at 12.7 GHz with only one control voltage. The proposed structure exhibits that our phase shifter has a compact size and a large phase shifting range throughout the Ku band. The tunable phase shifter is prototyped and the measurement results are presented.

Keywords: Schiffman phase shifter; reconfigurable; varactor diode; beam steerability; Ku-band

Rawia Wali, Lotfi Osman, Tchanguiz Razban and Yann Mahé, “Electronically Reconfigurable Two-Stage Schiffman Phase Shifter for Ku Band Beam Steering Applications” International Journal of Advanced Computer Science and Applications(IJACSA), 9(11), 2018. http://dx.doi.org/10.14569/IJACSA.2018.091178

@article{Wali2018,
title = {Electronically Reconfigurable Two-Stage Schiffman Phase Shifter for Ku Band Beam Steering Applications},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2018.091178},
url = {http://dx.doi.org/10.14569/IJACSA.2018.091178},
year = {2018},
publisher = {The Science and Information Organization},
volume = {9},
number = {11},
author = {Rawia Wali and Lotfi Osman and Tchanguiz Razban and Yann Mahé}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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