| 基于峰值保持电路的GEM探测器前端读出ASIC设计 |
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| 引用本文： | 吕继方,吴文欢,王铮,刘振安,严雄波,魏微.基于峰值保持电路的GEM探测器前端读出ASIC设计[J].核电子学与探测技术,2011,31(10):1089-1093,1130. |
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| 作者姓名： | 吕继方 吴文欢 王铮 刘振安 严雄波 魏微 |
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| 作者单位： | 1. 中国科学院高能物理研究所,北京100049;中国科学院研究生院,北京100049
2. 中国科学院高能物理研究所,北京,100049 |
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| 摘 要： | 介绍了一种用于多层GEM探测器的低噪声前端读出ASIC芯片.针对GEM探测器输出信号特点,设计了电荷灵敏放大器、整形电路和峰值保持电路,并对其噪声、成形时间等设计指标参数进行了分析.
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| 关 键 词： | GEM CMOS电荷灵敏前置放大器 峰值保持 |
GEM Detector Readout Front Ends Based on PDH |
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| LV Ji-fang,WU Wen-huan,WANG Zheng,LIU Zhen-an,YAN Xiong-bo,WEI Wei.GEM Detector Readout Front Ends Based on PDH[J].Nuclear Electronics & Detection Technology,2011,31(10):1089-1093,1130. |
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| Authors: | LV Ji-fang WU Wen-huan WANG Zheng LIU Zhen-an YAN Xiong-bo WEI Wei |
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| Affiliation: | LV Ji-fang1,2,WU Wen-huan1,WANG Zheng1,LIU Zhen-an1,YAN Xiong-bo1,WEI Wei1(1.Institute of High Energy Physics,CAS,Beijing,100049,2.Graduate University of CAS,100049) |
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| Abstract: | It describes circuit design of a 16-channel low noise GEM detector readout ASIC chip for multi-layer Gas Electron Multiplier detector.Charge sensitive preamplifier,Gaussian shaper and peak detect and hold circuit are discussed individually according to the characteristics of output signal of GEM detector.Noise level and shaping time are also elaborated in detail. |
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| Keywords: | GEM CMOS charge sensitive preamplifier PDH |
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