<abstract xmlns="http://www.w3.org/1999/xhtml"><p>A four-way network with 45 deg output phase shifts for feeding antenna array is studied in this work. To widen the phase imbalance, quarter wavelength short stubs with suitable characteristic impedances are introduced and numerically analyzed. Meanwhile, the wideband magnitude imbalance is also discussed by extending the inter-stage transmission line with proper electric length. The study is further confirmed by developing a prototype feeding network centered at 3 GHz. Results from the fabricated prototype network exhibit wideband good performance, both from numerical evaluations and experimental demonstrations.</p></abstract>

A four-way network with 45 deg output phase shifts for feeding antenna array is studied in this work. To widen the phase imbalance, quarter wavelength short stubs with suitable characteristic impedances are introduced and numerically analyzed. Meanwhile, the wideband magnitude imbalance is also discussed by extending the inter-stage transmission line with proper electric length. The study is further confirmed by developing a prototype feeding network centered at 3 GHz. Results from the fabricated prototype network exhibit wideband good performance, both from numerical evaluations and experimental demonstrations.

Numerical study and experimental validation of a four-way feeding network with 45 deg broadband phase shifts for antenna array applications

State Key Laboratory of Satellite Navigation System and Equipment Technology

Institute of China Electronics Technology Group Corporation

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

A four-way network with 45 deg output phase shifts for feeding antenna array is studied in this work. To widen the phase imbalance, quarter wavelength short...

Numerical study and experimental validation of a four-way feeding network with 45 deg broadband phase shifts for antenna array applications

Published Online: Nov 26, 2019

Page range: 400 - 405

Received: Sep 06, 2019

DOI: https://doi.org/10.2478/jee-2019-0072

Keywords
broadband, 45 deg phase shift, magnitude imbalance, phase imbalance, feeding network

© 2019 Jia-Lin Li et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Numerical study and experimental validation of a four-way feeding network with 45 deg broadband phase shifts for antenna array applications

Published Online: Nov 26, 2019

Page range: 400 - 405

Received: Sep 06, 2019

DOI: https://doi.org/10.2478/jee-2019-0072

Keywordsbroadband, 45 deg phase shift, magnitude imbalance, phase imbalance, feeding network

© 2019 Jia-Lin Li et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
broadband, 45 deg phase shift, magnitude imbalance, phase imbalance, feeding network