1. (1) K. Shouno and Y. Ishibashi : “Synthesis of a complex transfer function based on frequency transformation and its passive realization”, IEICE Trans., Vol. J83-A, No. 9, pp. 1047-1054 (2000)
2. (2) C. Muto and N. Kambayashi : “A Realization of Real Filters Using Complex Resonators”, IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, A Vol. J75-A, No. 7, pp. 1181-1188 (1992) (in Japanese)
3. (3) M. J. Gingell : The synthesis and application of polyphase filters with sequence asymmetric properties (1975)
4. (4) H. Tanabe and H. Tanimoto : “Element Value Design of Elliptic RC Polyphase Filters”, Proceedings of the 2005 IEICE Society Conference, AS-4-3, S-43-44 (2005) (in Japanese)
5. (5) K. Komoriyama, E. Yoshida, M. Yashiki, and H. Tanimoto : “A very widemand fully balanced active polyphase filter based on CMOS inverters in 0.18µm CMOS Technology”, IEICE Technical Report, ICD2007-83, pp. 79-84 (2007) (in Japanese)