A Novel 180$^{\circ}$ Hybrid Using Broadside-Coupled Asymmetric Coplanar Striplines

@article{Yeung2007AN1,
  title={A Novel 180\$^\{\circ\}\$ Hybrid Using Broadside-Coupled Asymmetric Coplanar Striplines},
  author={L. K. Yeung and Y. E. Wang},
  journal={IEEE Transactions on Microwave Theory and Techniques},
  year={2007},
  volume={55},
  pages={2625-2630}
}
In this paper, a new way to realize a 180deg hybrid is presented. This technique utilizes a broadside-coupled asymmetric coplanar-stripline section to meet the tight coupling requirement that usually arises from the traditional reduced-size hybrid-ring configuration. In addition, this coplanar technique facilitates the implementation of a hybrid ring in a cascadable format. While providing a simple design procedure for the device, analytical details are also discussed. An experimental prototype… CONTINUE READING
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