## Class-D audio amplifiers with negative feedback

*Cox, Stephen M.*;

*Candy, B. H.*;

- Publisher: Society for Industrial and Applied Mathematics
- Subject: class-D amplifier | mathematical model | total harmonic distortion

- References (7)
[1] H. S. Black, Modulation theory, van Nostrand, New York, 1953.

[2] P. H. Mellor, S. P. Leigh and B. M. G. Cheetham, Reduction of spectral distortion in class D amplifiers by an enhanced pulse width modulation sampling process, IEE Proc.-G, 138 (1991), pp. 441-448.

[3] L. M. Milne-Thomson, The calculus of finite differences, Macmillan, London, 1933.

[4] C. Pascual, Z. Song, P. T. Krein, D. V. Sarwate, P. Midya and W. J. Roeckner, Highfidelity PWM inverter for digital audio amplification: spectral analysis, real-time DSP implementation, and results, IEEE Trans. Power Electronics, 18 (2003), pp. 473-485.

[5] Z. Song and D. V. Sarwate, The frequency spectrum of pulse width modulated signals, Signal Processing, 83 (2003), pp. 2227-2258.

[6] M. T. Tan, J. S. Chang, H. C. Chua and B. H. Gwee, An investigation into the parameters affecting total harmonic distortion in low-voltage low-power Class-D amplifiers, IEEE Trans. Circuits and Systems I, 50 (2003), pp. 1304-1315.

[7] E. T. Whittaker and G. N. Watson, A Course of Modern Analysis, Fourth ed., Cambridge University Press, Cambridge, 1927.

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