請用此 Handle URI 來引用此文件: http://rportal.lib.ntnu.edu.tw:80/handle/20.500.12235/32210
標題: A 1V 82dB Multibit Delta-Sigma Modulator
作者: 國立臺灣師範大學電機工程學系
Chien-Hung Kuo
Kang-Shuo Chang
Jing-Shan Jian
公開日期: 11-八月-2006
摘要: This paper proposes a double-sampling multibit delta sigma modulator with a single switched-opamp at a 1V of supply voltage. Two new digital-to-analog converter feedbacks for the low voltage modulator are developed to overcome the driving problem of the switches and minimize the number of capacitors used in the feedbacks of the modulator. The proposed modulator has been implemented with a second-order 3-bit modulator in a 0.18.mu.m 1P6M CMOS process. The measured signal-to-noise ratio and dynamic range of the modulator in a 24kHz of bandwidth are 80dB and 82dB, respectively, under a 2.5MHz of clock rate. The power consumption of the modulator is 1.8mW at 1V of supply voltage.
URI: http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/32210
其他識別: ntnulib_tp_E0610_02_001
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