Wu, Y. ., Zhou, . S. ., Shen, X. ., & Liu, Y. . (2021). A Compact and Miniaturized Broadband Phase Shifter Using Coupled-lines. The Applied Computational Electromagnetics Society Journal (ACES), 31(07), 806–811. Retrieved from https://journals.riverpublishers.com/index.php/ACES/article/view/10043