Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Atsushi Matamura"'
Autor:
Naoaki Nishimura, Preston Birdsong, Markova Mariana Tosheva, Atsushi Matamura, Abhishek Bandyopadhyay, Spirer Adam R, Shaolong Liu
Publikováno v:
IEEE Journal of Solid-State Circuits. 56:3573-3582
A low-power 113-dB SNR, -93-dB total harmonic distortion (THD)+N, digital input Δ Σ-based filter-less Class-D amplifier for wireless headphone applications is presented. This performance is achieved by the following architecture improvements: 1) va
Autor:
Naoaki Nishimura, Atsushi Matamura, Preston Birdsong, Shaolong Liu, Abhishek Bandyopadhyay, Mariana Markova, Rajeev Morajkar
Publikováno v:
2022 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits).
Autor:
Markova Mariana Tosheva, Preston Birdsong, Naoaki Nishimura, Shaolong Liu, Atsushi Matamura, Spirer Adam R, Abhishek Bandyopadhyay
Publikováno v:
ISSCC
True Wireless Stereo/True Wireless Active-Noise-Canceling (ANC) headphones require low-latency digital-input headphone drivers that consume the lowest possible power to maximize battery life while providing high-fidelity audio playback. Typical headp
Publikováno v:
ISCAS
A 2W filterless class-D amplifier using multi-level delta-sigma modulation is presented. LC filters consume large PCB space and add significant system cost, so filterless class-D solutions are preferred for portable applications. In this design, a mu
Autor:
I. Ryan, R. O'Brien, N. McGuinness, A. Abo, Paul John Morrow, Colin G. Lyden, M. Chamarro, Atsushi Matamura, J. Mansson, P. Ventura, P. Minogue, M. Keane, M. McGranaghan
Publikováno v:
ISSCC. 2005 IEEE International Digest of Technical Papers. Solid-State Circuits Conference, 2005..
A second-order mixed CT SC /spl Delta//spl Sigma/ modulator uses multi-bit feedback to reduce clock-jitter sensitivity. The chip is implemented in 0.18/spl mu/m CMOS using 3.3V I/O devices and achieves 102dB SNR in a 20kHz bandwidth by using chopper