Analysis of the class AD audio amplifier including hysteresis effects

IEEE Transactions on Power Electronics

Volumn 18, Issue 2, 2003, Pages 679-685

  Ginart, Antonio E ^a   Bass, Richard M ^b   Leach Jr , W Marshall ^b   Habetler, Thomas G ^b  

^a UNIVERSIDAD SIMÓN BOLÍVAR   (Venezuela)

^b GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Audio amplifier; Class D amplifier; Describing function; High efficiency

Indexed keywords

ACTIVE FILTERS; DESCRIBING FUNCTIONS; ELECTRIC DISTORTION; ELECTRIC INVERTERS; HYSTERESIS; SWITCHING THEORY;

CLASS D AMPLIFIERS;

AUDIO FREQUENCY AMPLIFIERS;

EID: 0037364749     PISSN: 08858993     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPEL.2003.809330     Document Type: Review

References (18)

1. Ettinger and Cooper, "The design of high-power switched transistor amplifiers," Proc. IEEE, vol. 106-B-18, pp. 1285-1288, Ap. 1960.
2. W. M. Leach Jr., "Electronic technology," J. Audio Eng. Soc., vol. 46, no. 1/2, pp. 59-70, Jan./Feb. 1998.
3. B. Duncan, High Performance Audio Amplifiers. London, U.K.: Newnes, 1996.
4. B. Attwood, "Design parameters important for the optimization of very-high-fidelity PWM (Class D) audio amplifiers," J. Audio Eng. Soc., pp. 842-853, Nov. 1983.
5. L. Lorentz, "Power electronic systems," PCIM Power Electron. Syst. Mag., pp. 10-21, Dec. 1998.
6. Z. Lai and K. M. Smedly, "A low distortion switching audio power amplifier," in Proc. IEEE Power Electron. Spec. Conf. (PESC'95), 1995, pp. 174-180.
7. E. Dallago and G. Sassone, "Single-cycle quasiresonant converters as sigma-delta audio power stages," in Proc. IEEE Power Electron. Spec. Conf. (PESC'96), 1996, pp. 645-650.
8. K. Nielsen, "High-fidelity PWM-based amplifier concept for active loudspeaker systems with very low energy consumption," J. Audio Eng. Soc., vol. 45, pp. 554-570, July/Aug. 1997.
9. M. Farmer, E. Foster, and J. Gatski, "The crown K2," Pro-Audio Rev., June 1997.
10. A. Ginart and R. Esteller, "Audio amplifier based on a one-phase inverter," in Proc. IEEE Canadian Conf. Elect. Comp. Eng., Sept. 1994, pp. 113-116.
11. [11] G. B. Yundt, "Series or parallel-connected composite amplifiers," IEEE Trans. Power Electron., vol. 1, pp. 48-54, Jan. 1986.
12. H. Ertl, J. W. Kolar, and F. C. Zach, "Basic consideration and topologies of switched-mode assisted linear power amplifiers," IEEE Trans. Ind. Electron., vol. 44, pp. 116-123, Feb. 1997.
13. _, "A new 1 Kw class-D supported linear power amplifier employing a self-adjusting ripple cancellation," in Proc. 29th Int. Conf. Power Conv., Nürnberg, Germany, May 21-23, 1996, pp. 265-274.
14. A. R. Zee and E. Tuijl, "A power-efficiency audio amplifier combining switching and linear techniques," IEEE J. Solid-State Circuits, vol. 34, July 1999.
15. N. Jung, N. Kim, and G. Cho, "A new high-efficiency and super-fidelity analog audio amplifier with the aid of digital switching amplifier: class K amplifier," in Proc. IEEE Power Electron. Spec. Conf. (PESC'98), 1998, pp. 457-463.
16. [16] A. E. Ginart, R. M. Bass, and W. M. Leach Jr, "High efficiency class AD amplifier for a wide range of input signals," in Proc. 1999 IEEE Ind. Applicat. Soc. (IAS'99), New Orleans, LA, Oct. 1999.
17. A. Kawamura and R. Hoft, "Instantaneous feedback controlled PWM inverter with adaptive hysteresis," IEEE Trans. Ind. Applicat., vol. IA-20, pp. 769-775, July 1984.
18. A. Ginart, "Single ended switching analog audio amplifier with dead zone," Ph.D. dissertation, Georgia Inst. of Technol., Atlanta, Apr. 2001.