Waveform digitization utilizing switched-capacitor arrays

WANG Jinhong; ZHAO Lei; FENG Changqing; LIU Shubin; AN Qi

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Waveform digitization utilizing switched-capacitor arrays

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摘要

Compared with traditional waveform digitization with flash-ADCs, waveform digitization with switched-capacitor arrays (SCAs) is able to achieve the sampling speed above 1 GS/s without degrading the analog to digital conversion precision significantly. In this paper, we present the implementation of a fast waveform digitization system with the use of SCAs, and evaluate its performance of waveform digitization and the waveform timing. At about 5 GS/s, the dynamic input range of the digitizer is about 66 dB, and its timing precision is about 20 ps (RMS).

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《核技术：英文版》 |2012年第2期|109-113|共5页
作者
WANG Jinhong; ZHAO Lei; FENG Changqing; LIU Shubin; AN Qi;
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作者单位

State Key Laboratory of Particle Detection and Electronics;

University of Science and Technology of China;

Hefei 230026;

China;

Anhui Key Laboratory of Physical Electronics;

Department of Modern Physics;

University of Science and Technology of China;

Hefei 230026;

China;

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原文格式 PDF
正文语种 chi
中图分类存贮器;
关键词
波形数字化; 开关电容阵列; 数字化系统; 数字化波形; 数字转换器; 转换精度; 采样速度; 执行情况;

Waveform digitization utilizing switched-capacitor arrays

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