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Integrated stereo delta-sigma class D amplifier | IEEE ...
https://ieeexplore.ieee.org/document/1493898/
Integrated stereo delta-sigma class D amplifier Abstract: 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 is realized in a 0.6 /spl mu/m CMOS process …
Integrated stereo delta-sigma class D amplifier | Request …
https://www.researchgate.net/publication/4166716_Integrated_stereo_delta-sigma_class_D_amplifier
A 2/spl times/40 W class D amplifier chip is realized in 0.6-/spl mu/m BCDMOS technology, integrating two delta-sigma (/spl Delta//spl Sigma/) modulators and two full H …
AES E-Library » Integrated Stereo Sigma-Delta Class D ...
https://www.aes.org/e-lib/browse.cfm?elib=13168
AB - A 2x40W integrated stereo sigma-delta class D amplifier with 100 dB SNR is realized in 0.6um BCDMOS technology. Feedback from power stage outputs gives 0.001% THD and 65dB PSRR. Modulator clock rate is 6 MHz, but dynamically adjusted quantizer hysteresis reduces output data rate to 450 kHz, helping achieve 88% efficiency.
Integrated stereo ΔΣ class D amplifier | Request PDF
https://www.researchgate.net/publication/2983010_Integrated_stereo_DS_class_D_amplifier
Request PDF | Integrated stereo ΔΣ class D amplifier | A 2×40 W class D amplifier chip is realized in 0.6-μm BCDMOS technology, integrating two delta-sigma (ΔΣ) modulators and two full H ...
Integrated stereo delta-sigma class D amplifier
https://www.infona.pl/resource/bwmeta1.element.ieee-art-000001493898
Abstract. 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 is realized in a 0.6 /spl mu/m CMOS process with DMOS transistors and buried Zener diodes. Feedback from power stage outputs gives 0.001% THD and 65dB PSRR. The modulator clock rate is 6MHz, but dynamically adjusted …
High-Fidelity and High-Efficiency Digital Class-D Audio ...
https://www.hindawi.com/journals/jece/2021/5533745/
The audio DAC comprises an interpolation filter, a ΔΣ modulator, and a UPWM. The analog module includes the closed-loop negative feedback, loop filter, and output-power stage. Figure 2 Block diagram of the proposed class-D amplifier. The input digital audio signal is modulated by the ΔΣ modulator to achieve the expected signal-to-noise ratio (SNR).
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