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[1]      J. S. Chang, M. T. Tan, Z. H. Cheng, and Y. C. Tong ¡§Analysis and design of power efficient class D amplifier output stages,¡¨ IEEE Trans. Circuits and System I: Fundamental Theory and Applications,  vol. 47, no. 6, pp. 897-902, 2000.

[2]      Mark Bloechl, Mohannad Bataineh, and Dale Harrell, ¡§Class D switching power amplifiers: theory, design, and performance,¡¨ Proceedings on IEEE Southeast Conf., pp. 123-146, March, 2004.

[3]      Helmnt Bresch, Martin Strcitenberger, and Wolfgang Mathis,  ¡§About the demodulation of PWM-Signals with applications to audio amplifiers,¡¨ Proceeding of the 1998 IEEE International Symposium, vol. 1, pp. 205-208, June, 1998.

[4]      D. R. Garth, W. J. Muldoon, G. C. Benson, and E. N. Costague, ¡§Multi-phase, 2 Kilowatt, high voltage, regulated power supply,¡¨ IEEE Power Conditioning Specialists Conf. Rec. pp. 110-116, 1971.

[5]      Albert M. Wu, Jinwen Xiao, Dejan Markovic, and Seth R. Sanders, ¡§Digital PWM control: application in voltage regulation modules,¡¨ Power Electronics Specialists Conf. Rec., 1999, PESC 99, 30th annual IEEE, vol. 1, pp. 77-83, July. 1999.

[6]      A Dancy and A. P. Chandrakasan, ¡§Ultra low power control circuits for PWM converters,¡¨ IEEE Power Electronics Specialist Conf. Rec., pp. 21-27, 1997.

[7]      Bah-Hwee Gwee, Joseph S. Chang, and Huiyun Li, ¡§A micropower low-distorion digital pulseidth modulator for a digital class d amplifier¡¨ IEEE Trans. On Circuits and Systems, vol. 49, Issue 4, pp. 245-256, 2002.

[8]      Richardson J., Kukrer O. T., ¡§Implementation of a PWM regular sampling strategy for AC drives,¡¨ IEEE Trans. On Power Electronics, vol. 6, Issue 4, pp.645-655, Oct 1991.

[9]      W Hewlett Packard, Application Note 1032, Design of the HCTL-1000's Digital Filter Parameters by the Combination Method, 1985.


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