| 羊八井大型水契伦科夫探测器中双增益大动态范围前放的研制 |
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| 引用本文： | 郝新军,刘树彬,赵雷,李成,安琪.羊八井大型水契伦科夫探测器中双增益大动态范围前放的研制[J].核电子学与探测技术,2012,32(3):352-356. |
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| 作者姓名： | 郝新军 刘树彬 赵雷 李成 安琪 |
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| 作者单位： | 中国科学院核探测技术与核电子学重点实验室,合肥230026;物理电子学安徽省重点实验室中国科学技术大学近代物理系,合肥230026 |
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| 摘 要： | 介绍了羊八井大型水契伦科夫探测器中前置放大器的预研设计,分析了该前放的设计原理,介绍了测试方法和性能指标。该前放接收光电倍增管输出信号,采用双增益和差分输出设计方案。对该前置放大器原型电路的测试结果表明,该前放两通道增益分别为2倍和34倍,-3 dB带宽均大于150MHz,可满足0.5 mV～2 000 mV的输入信号大动态范围及远距离传输信号的实验需求。
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| 关 键 词： | 水契伦科夫探测器 前置放大器 双增益 动态范围 |
A Dual- gain Preamplifier with Large Dynamic Range for the Large Water Cherenkov Detector in YBJ |
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| HAO Xin-jun
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LIU Shu-bin
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ZHAO Lei
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LI Cheng
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AN Qi.A Dual- gain Preamplifier with Large Dynamic Range for the Large Water Cherenkov Detector in YBJ[J].Nuclear Electronics & Detection Technology,2012,32(3):352-356. |
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| Authors: | HAO Xin-jun LIU Shu-bin ZHAO Lei LI Cheng AN Qi |
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| Affiliation: | 1,2(1.Key Laboratory of Technologies of Particle Detection & Electronics,Chinese Academy of Sciences, Heifei 230026,China,2.Anhui Key Laboratory of Physical Electronics,Department of Modern Physics, University of Science and technology of China,Hefei 230026,China) |
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| Abstract: | A preamplifier pre-researched for the water Cherenkov detector in YBJ is presented,including the design principle,test methods and performance parameter.With low-noise design,dual-gain structure and differential output,the preamplifier functions well over a large dynamic range of the input PMT signal extending from 0.5 mV up to 2 000 mV.Thie preamplifier has achieved dual gain of 2 and 34,the-3dB bandwidths of which are both above 150 MHz. |
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| Keywords: | water Cherenkov detector preamplifier dual-gain dynamic range |
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