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A Radiation-Hardened Low-Power Pipelined SAR ADC for CZT-based Imaging System
文献类型:会议
作者:Xue, Feifei[1]  Gao, Wu[2]  Wei, Xiaomin[3]  Hu, Yongcai[4]  
机构:[1]Northwestern Polytech Univ, Sch Comp Sci & Technol, Xian 710072, Shaanxi, Peoples R China.;
[2]Northwestern Polytech Univ, Sch Comp Sci & Technol, Xian 710072, Shaanxi, Peoples R China.;
[3]Northwestern Polytech Univ, Sch Comp Sci & Technol, Xian 710072, Shaanxi, Peoples R China.;
[4]Northwestern Polytech Univ, Sch Comp Sci & Technol, Xian 710072, Shaanxi, Peoples R China.;
年:2015
通讯作者:Xue, FF (reprint author), Northwestern Polytech Univ, Sch Comp Sci & Technol, Xian 710072, Shaanxi, Peoples R China.
会议名称:IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)
会议论文集:2015 IEEE NUCLEAR SCIENCE SYMPOSIUM AND MEDICAL IM
会议地点:San Diego, CA
收录情况:CPCI-S(WOS:000413680600095)  
所属部门:计算机学院
人气指数:56
浏览次数:56
语言:外文
摘要:
A 12-bit 2M Samples/s pipelined SAR ADC for CZT-based imaging system is presented. It pipelines a first stage 6-bit SAR-based Multiplying Digital Analog Converter (MDAC) and a second stage 8-bit SAR ADC. The inter-stage gain of 16 instead of 64 is implemented in the 6-bit SAR-based MDAC for minimizing the power dissipation. The second stage 8-bit SAR ADC uses a split-capacitor architecture for reducing the load capacitance of the residue amplifier and then the power dissipation is minimized. In ...More
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