|
[1]C. M. Chang, ” New Multifunction OTA-C Biquads”, IEEE Transactions on Circuits and Systems—II: Analog and Digital Signal Processing, vol. 46, no. 6, pp.820-824, June 1999. [2]C. M. Chang, and S. K. Pai, “Universal Current-Mode OTA-C Biquad with the Minimum Components”, IEEE Transactions on Circuits and Systems—I: Fundamental Theory and Applications, vol. 47, no. 8, pp.1037-1040, Aug. 2000. [3]M. T. Abuelma'atti, and A. Bentrcia, ” New Universal Current-mode Multiple-Input Multiple-Output OTA-C Filter”, The 2004 IEEE Asia-Pacific Conference on Circuits and Systems,Tainan, Taiwan, pp.1037-1040, Dec. 2004. [4]M. Hasan, Y. Sun and Y. Zhu, ” Second-order OTA-C Filters using a Single OTA”, Circuit Theory and Design, 2005. Proceedings of the 2005 European Conference on, Ruhr-Universitat Bochum, Germany, vol. 2, pp.201-204, Aug. 2005. [5]Y. Sumi, T. Tsukutani, and Y. Fukui,” A Realization of Biquadratic Circuit Transfer Functions using OTA-C Integrator Loop Structure”, Proceedings of 2005 International Symposium on Intelligent Signal Processing and Communication Systems, pp.13-16, Dec. 2005. [6]T. B. Leonard,“RC-active circuits theory and design”, Prentice-Hall, Inv., Englewood Cliffs, New Jesey 07632, USA, 1980. [7]M. Bialko and R. W. Newcomb, “Generation of All Finite Linear Circuits Using Integrate DVCCS”, IEEE Trans. on Circuit Theory, vol. 18, no. 6, pp.733–736, Nov. 1971. [8]S. Szczepañski, A. Wyszyñski, and R. Schaumann, “Highly Linear Voltage-Controlled CMOS Transconductors”, IEEE transactions on circuit and systems-I: Fundamental Theory And Applications. vol. 40, no. 4, pp.258–262, Apr. 1993 [9]R. Schunmann and M. E. Van Valkenburg, ”Design of Analog Filters”, New York Oxford University Press, 2001. [10]C. M. Chang and B. M. Al-Hashimi, “Analytical Synthesis of current-Mode High-Order OTA-C Filters”, IEEE transactions on circuit and systems-I, vol.50, no. 9, pp.1188-1192, Sep. 2003. [11]C. M. Chang, “Analytical synthesis of the digitally programmable voltage-mode OTA-C universal biquad”, IEEE Trans. Circuits Syst.-II, vol. 53, no. 8, pp. 607-611, Aug. 2006. (SCI) [12]C. M. Chang and P. C. Chen, “Universal active filter with current gain using OTA’s,” Int. J. Electron., vol. 71, no. 5, pp. 805–808, May 1991. [13]E. Sanchez-Sinencio, R. L. Geiger, and H. Nevarez-Lozano, “Generation of continuous-time two integrator loop OTA filter structures,” IEEE Trans. Circuits Syst., vol. 35, pp. 936–946, Aug. 1988. [14]H. Nevarez-Lozano, J. A. Hill, and E. Sanchez-Sinencio, “Frequency limitations of continuous-time OTA-C filters,” in Proc. IEEE ISCAS, Espoo, Finland, vol. 3, pp. 2169–2172, June 1988 [15]R. D. Reed and R. L. Geiger, “An operational amplifier with multiple inputs and a wide linear range,” in Proc. 29th Midwest Symp. Circuits and Systems, Lincoln, NE, pp. 368–371, Aug. 1986 [16]J. Wu, “Current-mode high-order OTA-C filters,” Int. J. Electron., vol. 76, no. 6, pp. 1115–1120, June 1994. [17]T. Tsukutani, M. Ishida, S. Tsuiki, and Y. Fukui, “Current-mode biquad without external passive elements,” Electron. Lett., vol. 32, no. 3, pp. 197–198, Feb. 1996. [18]Y. Sun, and J. K. Fidler, “Design of current-mode multiple output OTA and capacitor filters,” Int. J. Electron., vol. 81, no. 1, pp. 95–99, Jan. 1996. [19]M. Bhusan and R. W. Newcomb, “Grounding of capacitors in integrated circuits,” Electron. Lett., vol. 3, no. 4, pp. 148–149, Apr. 1967. [20]K. Pal and R. Singh, “Inductorless current conveyor allpass filter using grounded capacitors,” Electron. Lett., vol. 18, no. 1, p. 47, Jan. 1982. [21]J. W. Horng, “Voltage-mode universal biquadratic filter with one input and five outputs using OTAs,” Int. J. Electron., vol. 89, no. 9, pp. 729–737, Sep. 2002. [22]M. T. Abuelma’atti and A. Bentrcia, “A novel mixed-mode OTA-C universal filter,” Int. J. Electron., vol. 92, no. 7, pp. 375–383, Jul. 2005. [23]B.M. Al-Hashimi, ”Current mode filter structure based on dual output transconductance Amplifiers”, Elec. Lett., 32, pp. 25-26, 1996. [24]B.M. Al-Hashimi, F. Dudek, M. Moniri and J. Living, “Integrated universal biquad based on triple-output OTAs and using digitally programmable zeros”, IEE Proc.-circ. Dev. Sys., 145, pp. 192-196, 1998. [25]P.V. Ananda Mohan, “Generation of OTA-C filter structures from active RC filter Structures”, IEEE Trans. Circ. Sys., 37, pp. 656-660, 1990. [26]D.H. Chiang and R. Schaumann, “Performance comparison of high-order IFLF and cascade analogue integrated lowpass filters”, IEE Proc.-circ. Dev. Sys., 147, pp. 19-27, 2000. [27]T. Deliyannis, Y. Sun and J.K. Fidler, “Continuous-time Active Filter Design”, CRC Press: Boca Raton, 1999.
|