simulation of high power phase shifter using 90 degree hybrid coupler

Document Type : Original Article

Authors

1 Assistant Professor of Imam Hossein University of Tehran, Iran

2 Professor of Tehran University of Science and Technology, Iran

3 PhD student, Imam Hossein University of Tehran, Iran

4 Researcher, Imam Hossein (AS) University of Tehran, Iran

Abstract

In this article the theoretical principles and design and simulation of high power phase shifter based on 90 degree hybrid coupler are given. One of the special features of this type of shifter is high power handling, linearity of phase changes with respect to frequency, provision of a full range of 360 degrees of phase change,, tow structure width, return loss greater than 25 dB and phase deviation less than 0.5 degrees in the bandwidth 400 MHz in 10.2GHz centeral frequency, which can be used in applications of high power antenna arrays with beam scanning capability. The basis for changing the phase of the designed phase shifter is based on changing the length of the electrical path of the signal, through the movement of pistons embedded inside the structure.
Two types of 90 degree hybrid coupler structures, E and H plane, have been investigated and the results of the two structures have been compared. It is shown that the H plane coupler has a better efficiency than the E type coupler

Keywords

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References

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Applied Electromagnetics
Volume 11, Issue 2 - Serial Number 27
September 2023
Pages 89-99

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History

  • Receive Date: 09 July 2023
  • Revise Date: 16 September 2022
  • Accept Date: 18 October 2023
  • Publish Date: 07 November 2023

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