1. R. Gregorian and G. Temes, 1986.Analog MOS Integrated Circuits for Signal Processing, John Wiley and Sons: New Jersey.
2. Y. Tsividis and J. A. Voorman, Eds., 1993.Integrated Continuous-time Filters: Principles, Design and Implementations, IEEE Press: New York.
3. R. Schaumann, M. S. Ghausi, and K. R. Laker, 1990.Design of Analog Filters: Passive, Active RC and Switched Capacitor, Prentice-Hall: Englewood Cliffs, NJ.
4. T. C. Choi, R. T. Kaneshiro, R. W. Brodersen, P. R. Gray, W. B. Jett, and M. Wilcox, 1983. ?High-frequency CMOS switched-capacitor filters for communications application.?IEEE J. Solid-State Circuits SC-18(6), pp. 652?664.
5. J. B. Hughes and K. W. Moulding, 1993. ?S2I: A two-step approach to switched-currents.?IEEE Int. Symp. on Circuits and Systems, pp. 1235-1238.