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Class-D amplifier

Known as: Class d amp, Class D amplifiers, Digital amplifier 
A class-D amplifier or switching amplifier is an electronic amplifier in which the amplifying devices (transistors, usually MOSFETs) operate as… 
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Related topics

Related topics

23 relations
AmplifierAnalog signalBuck converterComparator

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2013
Highly Cited
2013
Envelope-Tracking Two-Stage Power Amplifier With Dual-Mode Supply Modulator for LTE Applications
This paper presents an envelope tracking power amplifier (ET PA) using a dual-mode supply modulator for handset application. The… 
2010
2010
Current Mode Image Sensor With Two Transistors per Pixel
A linear current mode active pixel sensor for low fixed-pattern noise imaging is presented. The photo pixel is composed of a… 
2009
2009
Class D amplifier
The invention provides a class D amplifier. The amplifier comprises at least one circuit block, and each circuit block comprises… 
2007
2007
PWM Power Audio Amplifier With Voltage/Current Mixed Feedback for High-Efficiency Speakers
High-efficiency speakers significantly improve electrical to sound power conversion efficiency by reducing the power dissipation… 
2007
2007
Novel Modulation Strategies for Class-D Amplifier
Recent advances in semiconductor technology have renewed interest in class-D audio amplifiers, especially for portable devices… 
Highly Cited
2007
Highly Cited
2007
Narrow Pulse Elimination PWM for Multilevel Digital Audio Power Amplifiers Using Two Cascaded H-Bridges as a Nine-Level Converter
This paper presents a methodology to reduce total harmonic distortion (THD) in digital audio power amplifiers, using two new… 
Highly Cited
2005
Highly Cited
2005
Integrated stereo delta-sigma class D amplifier
A 2/spl times/40W (into 4/spl Omega/ with a 20V supply) integrated stereo /spl Delta//spl Sigma/ class D amplifier with 100dB SNR… 
Highly Cited
2005
Highly Cited
2005
New results for self-sensing active magnetic bearings using modulation approach
The concept of self-sensing active magnetic bearings (AMBs) is to eliminate the position sensors and estimate the position of the… 
2005
2005
Dual-band GaAs FET power amplifier with two-frequency matching circuits
A dual-band GaAs FET power amplifier with the two-frequency lumped-element matching circuits is designed using the low-pass… 
2004
2004
A filter free class D audio amplifier with 86% power efficiency
This paper presents a single chip class D amplifier with 2.5 W output power and 86% efficiency with an 8 ohm load. This chip uses… 
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