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.10 No.4
- 발행연도
- 2010.12
- 수록면
- 276 - 281 (6page)
이용수
초록· 키워드
오류제보하기
A 2.5 V feed-forward second-order deltasigma modulator for audio application is presented. A 9-level quantizer with a tree-structured dynamic element matching (DEM) was employed to improve the linearity by shaping the distortion resulted from the capacitor mismatch of the feedback digital-toanalog converter (DAC). A chopper stabilization technique (CHS) is used to reduce the flicker noise in the first integrator. The prototype delta-sigma analogto-digital converter (ADC) implemented in a 65 ㎚ 1P8M CMOS process occupies 0.747 ㎟ and achieves 109.1 ㏈ dynamic range (DR), 85.4 ㏈ signal-to-noise ratio (SNR) in a 24 ㎑ audio signal bandwidth, while consuming 14.75 ㎽ from a 2.5 V supply.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. PROPOSED ARCHITECTURE
Ⅲ. CIRCUIT IMPLEMENTATION
Ⅳ. EXPERIMENTAL RESULTS
Ⅴ. CONCLUSIONS
ACKNOWLEDGMENTS
REFERENCES
참고문헌 (6)
참고문헌 신청
1. [학술지(정기간행물)] - M. Kim / 2008 / A 0.9 V 92 dB doublesampled switched-RC delta-sigma audio ADC / Solid-State Circuits, IEEE Journal of 43 (5) : 1195 ~ 1206
2. [학술지(정기간행물)] - C. Enz / 1996 / Circuit techniques for reducing the effects of op-amp imperfections: autozeroing, correlated double sampling, and chopper tabilization / Proceedings of the IEEE 84 (11) : 1584 ~ 1614
3. [학술지(정기간행물)] - I. Galton / 1997 / Spectral shaping of circuit error in digital-to-analog converters / Circuits and Systems II: Analog and digital signal processing, IEEE Transactions on 44 (10) : 808 ~ 817
4. [학술지(정기간행물)] - J. Silva / 2001 / Wideband low-distortion delta-sigma ADC topology / IEE Electronic Letters 37 (12) : 737 ~ 738
5. [학술지(정기간행물)] - Y. Yang / 2003 / A 114-dB 68 mW chopper-stabilized stereo multibit audio ADC in 5.62 mm2 / Solid-State Circuits, IEEE Journal of 38 (12) : 2061 ~ 2068
2. [학술지(정기간행물)] - C. Enz / 1996 / Circuit techniques for reducing the effects of op-amp imperfections: autozeroing, correlated double sampling, and chopper tabilization / Proceedings of the IEEE 84 (11) : 1584 ~ 1614
3. [학술지(정기간행물)] - I. Galton / 1997 / Spectral shaping of circuit error in digital-to-analog converters / Circuits and Systems II: Analog and digital signal processing, IEEE Transactions on 44 (10) : 808 ~ 817
4. [학술지(정기간행물)] - J. Silva / 2001 / Wideband low-distortion delta-sigma ADC topology / IEE Electronic Letters 37 (12) : 737 ~ 738
5. [학술지(정기간행물)] - Y. Yang / 2003 / A 114-dB 68 mW chopper-stabilized stereo multibit audio ADC in 5.62 mm2 / Solid-State Circuits, IEEE Journal of 38 (12) : 2061 ~ 2068
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UCI(KEPA) : I410-ECN-0101-2012-569-003817139