A 4Ω 2.3W class-D audio amplifier with embedded DC-DC boost converter, current-sensing ADC and DSP for adaptive speaker protection

2013 ◽  
Author(s):  
M. Berkhout ◽  
L. Dooper ◽  
B. Krabbenborg ◽  
J. Somberg
Keyword(s):  
Boost Converter ◽  
Current Sensing ◽  
Audio Amplifier ◽  
Class D

An 8 $\Omega$ 2.5 W 1%-THD 104 dB(A)-Dynamic-Range Class-D Audio Amplifier With Ultra-Low EMI System and Current Sensing for Speaker Protection

2012 ◽  
Vol 47 (12) ◽  
pp. 3068-3080 ◽  
Author(s):  
Angelo Nagari ◽  
Emmanuel Allier ◽  
François Amiard ◽  
Vincent Binet ◽  
Christian Fraisse
Keyword(s):  
Dynamic Range ◽  
Current Sensing ◽  
Audio Amplifier ◽  
Class D

A 2.4 mA Quiescent Current, 1 W Output Power Class-D Audio Amplifier With Feed-Forward PWM-Intermodulated-Distortion Reduction

2016 ◽  
Vol 51 (6) ◽  
pp. 1436-1445 ◽  
Author(s):  
Tai-Haur Kuo ◽  
Shih-Hsiung Chien ◽  
Jyun-Jia Huang ◽  
Yi-Wen Chen ◽  
Yu-An Lee
Keyword(s):  
Output Power ◽  
Feed Forward ◽  
Audio Amplifier ◽  
Class D ◽  
Quiescent Current ◽  
Distortion Reduction ◽  
Power Class

A -121.5-dB THD Class-D Audio Amplifier With 49-dB LC Filter Nonlinearity Suppression

2021 ◽  
pp. 1-1
Author(s):  
Huajun Zhang ◽  
Marco Berkhout ◽  
Kofi A. A. Makinwa ◽  
Qinwen Fan
Keyword(s):  
Audio Amplifier ◽  
Class D ◽  
Lc Filter

High Efficiency Half Bridge Class-D Audio Amplifier System With Front-End Symmetric Bipolar Outputs LLC Converter

2021 ◽  
Vol 68 (2) ◽  
pp. 1220-1230
Author(s):  
Duo Xu ◽  
Guohua Zhou ◽  
Rui Huang ◽  
Xianghong Liu ◽  
Feiming Liu
Keyword(s):  
High Efficiency ◽  
Audio Amplifier ◽  
Front End ◽  
Class D
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