Miniaturized Equal-Length Equal-Width Phase Shifter Based on Slow-Wave Half-Mode Substrate Integrated Waveguide

HUANG Wen; CHEN Xiao; REN Yi

doi:10.12263/DZXB.20220143

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Miniaturized Equal-Length Equal-Width Phase Shifter Based on Slow-Wave Half-Mode Substrate Integrated Waveguide

PAPERS | 更新时间：2025-12-08

- Miniaturized Equal-Length Equal-Width Phase Shifter Based on Slow-Wave Half-Mode Substrate Integrated Waveguide
- ACTA ELECTRONICA SINICA Vol. 51, Issue 10, Pages: 2747-2753(2023)
- 作者机构：
  
  重庆邮电大学光电工程学院，重庆 400065
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China(61871063)
- DOI：10.12263/DZXB.20220143
  CLC： TN623;
- Received：30 January 2022，
  
  Revised：2022-07-10，
  
  Published：25 October 2023
- 稿件说明：
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黄文,陈肖,任仪.基于慢波半模基片集成波导的等长等宽小型化移相器[J].电子学报,2023,51(10):2747-2753.

HUANG Wen,CHEN Xiao,REN Yi.Miniaturized Equal-Length Equal-Width Phase Shifter Based on Slow-Wave Half-Mode Substrate Integrated Waveguide[J].ACTA ELECTRONICA SINICA,2023,51(10):2747-2753.
黄文,陈肖,任仪.基于慢波半模基片集成波导的等长等宽小型化移相器[J].电子学报,2023,51(10):2747-2753. DOI： 10.12263/DZXB.20220143.

HUANG Wen,CHEN Xiao,REN Yi.Miniaturized Equal-Length Equal-Width Phase Shifter Based on Slow-Wave Half-Mode Substrate Integrated Waveguide[J].ACTA ELECTRONICA SINICA,2023,51(10):2747-2753. DOI： 10.12263/DZXB.20220143.

摘要

针对基片集成波导移相器小型化、高性能的需求，本文提出了基于慢波半模基片集成波导（Slow-Wave Half-Mode Substrate Integrated Waveguide，SW-HMSIW）的等长等宽小型化移相器.该SW-HMSIW上层金属表面由微带折线单元周期性加载构成，提高了SW-HMSIW的等效介电常数和磁导率，从而降低了SW-HMSIW的截止频率和相速度，实现了慢波效应并获得尺寸的减小.此外，可以通过调节微带折线单元横向和纵向的尺寸，灵活调节SW-HMSIW的相速度和截止频率.基于这一原则，本文设计实现了SW-HMSIW等长等宽小型化移相器，同时它具有较宽的工作带宽.测试结果表明，所设计的移相器在8.7~14.2 GHz内实现了

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9.99066734

2.28600001

的相移量，相对带宽为48%，回波损耗优于12 dB，具有良好的传输性能和移相效果，并且具有小型化和等长等宽结构特点，适用于在大规模阵列天线的应用.

Abstract

A miniaturized phase shifter with equal length and equal width based on slow-wave half-mode substrate integrated waveguide (SW-HMSIW) is proposed to meet the requirements of miniaturization and high performance of the substrate integrated waveguide phase shifter. The upper metal surface of the proposed SW-HMSIW is periodically loaded of microstrip folded-line units

which improves its equivalent permittivity and permeability

thereby reducing the cut-off frequency and phase velocity of SW-HMSIW

thus realizing slow-wave effect and size reduction. In addition

the horizontal and longitudinal dimensions of the microstrip folded-line unit can be adjusted to flexibly adjust the phase velocity and cut-off frequency of SW-HMSIW. Based on this principle

a miniaturized SW-HMSIW phase shifter with equal length and equal width is designed with a wide working bandwidth. The measured results show that the designed phase shifter is achieved a phase shift of 90°±4° within 8.7-14.2 GHz

the relative bandwidth is 48%

and the return loss is better than 12 dB. It has good transmission performance and phase shifting effect

and it has the advantage of miniaturization and equal-length and equal-width structure

so it is suitable for the application of large-scale array antennas.

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Keywords

references

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