Thermo data-weighted average dynamic element matching (DEM) encoder for current-steering DACs
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概要
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A novel dynamic element matching (DEM) method is presented, called Thermo Data Weighted Average (TDWA) for Nyquist-rate current-steering digital-to-analog converts (DACs). The proposed TDWA encoder technique chooses a sequence of unit current sources and increase or decrease units at different side. Thus this approach can not only reduce the switching number to minimum (as few as thermometer encoder), but also retain good ability to eliminate signal dependent distortions to achieve good linearity at high sampling frequencies.
著者
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Su Wei
Key Laboratory Of Biomedical Polymers Of Ministry Of Education Department Of Chemistry Wuhan Univers
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WANG Yuan
Key Laboratory of Pollution Processes and Environmental Criteria of Ministry of Education, College of Environmental Science and Engineering, Nankai University
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Zhang Xing
Key Laboratory for Thermal Science and Power Engineering of Education Ministry, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China
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Zhang Xing
Key Laboratory of Microelectronic Devices and Circuits (MoE), Institute of Microelectronics, Peking University
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Su Wei
Key Laboratory of Microelectronic Devices and Circuits (MoE), Institute of Microelectronics, Peking University
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Liu Baoguang
Key Laboratory of Microelectronic Devices and Circuits (MoE), Institute of Microelectronics, Peking University
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Zhao Junlei
Key Laboratory of Microelectronic Devices and Circuits (MoE), Institute of Microelectronics, Peking University
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Wang Yuan
Key Laboratory of Microelectronic Devices and Circuits (MoE), Institute of Microelectronics, Peking University
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