지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전자공학회 JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE Journal of Semiconductor Technology and Science Vol.18 No.6
- 발행연도
- 2018.12
- 수록면
- 685 - 693 (9page)
- DOI
- 10.5573/JSTS.2018.18.6.685
이용수
초록· 키워드
오류제보하기
A wide-band and low-noise stereo deltasigma (ΔΣ) digital-to-analog converter (DAC) for audio applications is proposed. A multi-bit quantizer with data-weighted averaging is used to reduce quantization noise and a half-band finite impulse response filter is designed to increase the speed of the ΔΣ modulator. A direct-charge-transfer switchedcapacitor DAC and a track-and-hold circuit with a deglitch timing are used to improve the operating speed and the linearity of the audio DAC. The chip is fabricated with a 0.13-μm CMOS process, which uses the supply voltages of 1.2 V for the digital domain and 3.3 V for the analog domain. The experimental results show that our audio DAC achieves 40-kHz bandwidth, 103-dB A-weighted signal-to-noise ratio, and - 85-dB total harmonic distortion and noise.
목차
Abstract
I. INTRODUCTION
II. ARCHITECTURE
III. CIRCUIT IMPLEMENTATION
IV. EXPERIMENTAL RESULTS
V. CONCLUSIONS
REFERENCES
참고문헌 (18)
참고문헌 신청
Yong-Hee Lee et al., A 1.3-mW per-channel 103- dB SNR stereo audio DAC with class-D headphones amplifier in 65nm CMOS, 2008 IEEE Symposium on VLSI Circuits, Honolulu, HI, 2008, pp. 176-177.
R. Hezar et al., A 110dB SNR and 0.5mW current-steering audio DAC implemented in 45nm CMOS, 2010 IEEE International Solid-State Circuits Conference - (ISSCC), San Francisco, CA, 2010, pp. 304-305.
H. Westerveld, D. Schinkel and E. van Tuijl, 15.3 A 115dB-DR audio DAC with ?61dBFS out-ofband noise, 2015 IEEE International Solid-State Circuits Conference - (ISSCC) Digest of Technical Papers, San Francisco, CA, 2015, pp. 1-3.
R. C. C. Cheung, K. P. Pun, S. C. L. Yuen, K. H. Tsoi and P. H. W. Leong, An FPGA-based reconfigurable 24-bit 96kHz sigma-delta audio DAC, Proceedings. 2003 IEEE International Conference on Field-Programmable Technology (FPT) (IEEE Cat. No.03EX798), Tokyo, Japan, 2003, pp. 110-117.
Nikkila, Seppo. Introducing wireless organic digital audio: a multichannel streaming audio network based on IEEE 802.11 standards. Audio Engineering Society Conference: 44th International Conference: Audio Networking. Audio Engineering Society, 2011.
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