Analog front-end prototype electronics for the LHAASO WCDA

被引：0
|
作者：
马聪 [1 ,2 ]
赵雷 [1 ,2 ]
郭宇翔 [1 ,2 ]
刘建峰 [1 ,2 ]
刘树彬 [1 ,2 ]
安琪 [1 ,2 ]
机构：
[1] State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China
[2] Department of Modern Physics, University of Science and Technology of China
来源：
Chinese Physics C | 2016年 / 01期
基金：
中国国家自然科学基金;
关键词：
LHAASO; WCDA; AFE; charge measurement; time measurement;
D O I：
暂无
中图分类号：
P171 [观测设备与观测方法];
学科分类号：
070401 ;
摘要：
In the readout electronics of the Water Cerenkov Detector Array(WCDA) in the Large High Altitude Air Shower Observatory(LHAASO) experiment, both high-resolution charge and time measurement are required over a dynamic range from 1 photoelectron(P.E.) to 4000 P.E. The Analog Front-end(AFE) circuit is one of the crucial parts in the readout electronics. We designed and optimized a prototype of the AFE through parameter calculation and circuit simulation, and conducted initial electronics tests on this prototype to evaluate its performance. Test results indicate that the charge resolution is better than 1%@4000 P.E. and remains better than 10%@1 P.E., and the time resolution is better than 0.5 ns RMS, which is better than the application requirements.
引用
收藏
页码：83 / 89
页数：7
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