Wenjie Feng, Xueke Ma, Roberto Gómez-García, Yongrong Shi, Wenquan Che, Quan Xue. Multi-Functional Balanced-to-Unbalanced Filtering Power Dividers With Extended Upper Stopband. IEEE Trans. on Circuits and Systems, 66-II(7):1154-1158, 2019. [doi]
Abstract is missing.