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True Filterless Class-D Audio Amplifier | IEEE Journals ...
https://ieeexplore.ieee.org/document/6007063
True Filterless Class-D Audio Amplifier Abstract: The design of a fully integrated, filterless, class-D audio amplifier in standard 0.25- CMOS technology is described: a novel class-D amplifier architecture, where uniform pulsewidth modulation is introduced.
True Filterless Class-D Audio Amplifier - Semantic Scholar
https://www.semanticscholar.org/paper/True-Filterless-Class-D-Audio-Amplifier-Teplechuk-Gribben/201be52a64144797383fa65b68f6616c6f42ba4a
The design of a fully integrated, filterless, class-D audio amplifier in standard 0.25- CMOS technology is described: a novel class-D amplifier architecture, where uniform pulsewidth modulation is introduced. The architecture attenuates residual clock signals around the loop allowing very low harmonic distortion, , to be achieved in conjunction with high PSRR, at 217 Hz.
True Filterless Class-D Audio Amplifier | Request PDF
https://www.researchgate.net/publication/220365653_True_Filterless_Class-D_Audio_Amplifier
The Class-D audio amplifier achieves a high PSRR of 118 dB for 217 Hz power supply ripples and a low total harmonic distortion plus noise (THD+N) of 0.00067% (-103.5 dB).
True Filterless Class-D Audio Amplifier - NASA/ADS
https://ui.adsabs.harvard.edu/abs/2011IJSSC..46.2784T/abstract
adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A
Filterless Class D simplifies audio amplifier design - EDN
https://www.edn.com/filterless-class-d-simplifies-audio-amplifier-design/
Class D amplifiers were developed as a way to increase the efficiency of audio-power-amplifier systems. The Class D amplifier works by varying the duty cycle of a pulse-width-modulated, PWM, signal.
Filterless Class D simplifies audio amplifier design - …
https://www.eetimes.com/filterless-class-d-simplifies-audio-amplifier-design/
Class D amplifiers are two to four times more efficient than Class AB amplifiers, which leads to longer battery life, less heat and lower supply current. Traditional Class D amplifiers have a large and expensive output filter; however, filterless Class D amplifiers eliminate the output filter without sacrificing performance.
AN-1497Filterless Class D Amplifiers - TI
https://www.ti.com/lit/an/snaa034a/snaa034a.pdf
Figure 1 compares the efficiency of the LM4673, a mono 2.65W Class D amplifier to a similar Class AB amplifier. At peak output power (1.5W) the class D amplifier has 88% efficiency while the Class AB amplifier only achieves 75%. At a mere 13%, the difference does not appear siginificant. However, a
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