Zhu, X., Yang, T., Chi, P., & Xu, R. (2020). Novel Reconfigurable Filtering Rat-Race Coupler, Branch-Line Coupler, and Multiorder Bandpass Filter With Frequency, Bandwidth, and Power Division Ratio Control. IEEE transactions on microwave theory and techniques, 68(4), 1496-1509. https://doi.org/10.1109/TMTT.2019.2959769
Chicago Style (17th ed.) CitationZhu, Xu, Tao Yang, Pei-Ling Chi, and Ruimin Xu. "Novel Reconfigurable Filtering Rat-Race Coupler, Branch-Line Coupler, and Multiorder Bandpass Filter With Frequency, Bandwidth, and Power Division Ratio Control." IEEE Transactions on Microwave Theory and Techniques 68, no. 4 (2020): 1496-1509. https://doi.org/10.1109/TMTT.2019.2959769.
MLA (9th ed.) CitationZhu, Xu, et al. "Novel Reconfigurable Filtering Rat-Race Coupler, Branch-Line Coupler, and Multiorder Bandpass Filter With Frequency, Bandwidth, and Power Division Ratio Control." IEEE Transactions on Microwave Theory and Techniques, vol. 68, no. 4, 2020, pp. 1496-1509, https://doi.org/10.1109/TMTT.2019.2959769.