A filter free class D audio amplifier with 86% power efficiency

Proceedings - IEEE International Symposium on Circuits and Systems

Volumn 1, Issue , 2004, Pages

  Muggler, Patrick ^a   Chen, Wayne ^a   Jones, Clif ^a   Dagli, Paras ^a   Yazdi, Navid ^b,c  

^a TEXAS INSTRUMENTS   (United States)

^b ARIZONA STATE UNIVERSITY   (United States)

^c Science and Technology Division   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AUDIO AMPLIFIERS; FLATBAND RESPONSE; POWER EFFICIENCY;

AUDIO SYSTEMS; CMOS INTEGRATED CIRCUITS; ELECTRIC FILTERS; ELECTRIC POTENTIAL; POWER ELECTRONICS; PULSE WIDTH MODULATION;

AMPLIFIERS (ELECTRONIC);

EID: 4344565066     PISSN: 02714310     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (7)

1. Score, Michael, and Donald Dapkus. "Audio Power Amplifier Solutions for New Wireless Phones," Wireless Symposium, February 2000.
2. Van der Zee, Ronan A. R., and Ed van Tuijl, "A Power-Efficient Audio Amplifier Combining Switching and Linear Techniques," IEEE Journal of Solid-State Circuits, vol. 34, pp. 985-987, July 1999.
3. Choi, Soo-chang, Jun-woo Lee, Woo-kang Jin, Jae-hwan So, and Suki Kim, "A Design of a 10-W Single Chip Class D Audio Amplifier with Very High Efficiency using CMOS Technology," IEEE Transactions on Consumer Electronics, vol. 45, pp. 465 473, August 1999.
4. Jeong, Jay H., Hawn H. Seong, Jeong H. Yi, Gyu H. Cho, "A class D switching power amplifier with high efficiency and wide bandwidth by dual feedback loops," Proc. of International Conference on consumer Electronics, 1995, pp. 428-429.
5. th Convention, pp. 22-25, September 2000.
6. Chen, Wayne T. and R. Clif Jones, "Concepts and Design of Filterless Class-D Audio Amplifiers," Texas Instruments Technical Journal, vol. 18, No. 2, April 2001.
7. Leigh, S. P., P. H. Mellor, and B. M. G. Cheetham, "Distortion Analysis and Reduction in a Completely Digital PWM Class D Power Amplifier," Inter. J. of Modeling and Simulation, vol. 14, No. 2, pp. 75-59, 1994.