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학술대회 A Dual-Channel 6b 1GS/s 0.18um CMOS ADC for Ultra Wide-Band Communication Systems
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저자
조영재, 이경훈, 최희철, 김용주, 문경준, 이승훈, 현석봉, 박성수
발행일
200612
출처
Asia Pacific Conference on Circuits and Systems (APCCAS) 2006, pp.339-342
DOI
https://dx.doi.org/10.1109/APCCAS.2006.342420
협약과제
06MB1800, 초저전력 RF/HW/SW 통합 SoC, 현석봉
초록
This work proposes a dual-channel 6b lGS/s ADC for ultra wide-band communication system applications. The proposed ADC based on a 6b interpolated flash architecture employs wide-band open-loop track-and-hold amplifiers, comparators with a wide-range differential difference preamplifier, latches with reduced kickback noise, on-chip CMOS references, and digital bubble code correction circuits to optimize power, chip area, and accuracy at lGS/s. The ADC implemented in a 0.18um 1P6M CMOS technology shows a signal-to-noise-and- distortion ratio of 30dB and a spurious-free dynamic range of 39dB at lGS/s. The measured differential and integral nonlinearities of the prototype ADC are within 1.00LSB and 1.25LSB, respectively. The dual-channel ADC has an active area of 4.0mm2 and consumes 594mW at lGS/s and 1.8V. ©2006 IEEE.
키워드
ADC, CMOS, Flash, Kickback, Ultra wide band
KSP 제안 키워드
0.18um CMOS, Active area, CMOS Technology, Chip area, Communication system, Distortion ratio, Kickback Noise, On-chip, Signal-to-Noise, Track-and-hold, Ultra-Wide Band(UWB)