| 适用于高计数率下的放大甄别一体化电路 |
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| 引用本文： | 董成富,苏弘,吴鸣,李小刚,彭宇,千奕,刘义才,徐四九,马晓莉.适用于高计数率下的放大甄别一体化电路[J].核电子学与探测技术,2007,27(5):817-819,829. |
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| 作者姓名： | 董成富 苏弘 吴鸣 李小刚 彭宇 千奕 刘义才 徐四九 马晓莉 |
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| 作者单位： | 中科院近代物理研究所,甘肃兰州,730000 |
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| 摘 要： | 介绍一种由电荷灵敏前置放大器、主放大器、甄别器、成形电路所组成的一体化电路.该仪器主要用于高计数测量中,最高计数率可达106/s,它主要适应于高灵敏度的3He中子探测器,同时也可以用于其他重离子探测器,该仪器的输出脉冲可直接与CMOS或TTL逻辑电平兼容.它有功耗低,体积小,灵敏度高,便于野外使用等特点.
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| 关 键 词： | 甄别电路 计数 电荷灵敏 |
| 文章编号： | 0258-0934（2007）05-0817-03 |
| 收稿时间： | 2007-07-05 |
| 修稿时间： | 2007年7月5日 |
An Integral Whole Circuit Of Amplifying And Discriminating Suited To High counting Rate |
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| DONG Cheng-fu,SU Hong,WU Ming,LI Xiao-gang,PENG Yu,QIAN Yi,LIU Yi-cai,XU Si-jiu,MA Xiao-li.An Integral Whole Circuit Of Amplifying And Discriminating Suited To High counting Rate[J].Nuclear Electronics & Detection Technology,2007,27(5):817-819,829. |
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| Authors: | DONG Cheng-fu SU Hong WU Ming LI Xiao-gang PENG Yu QIAN Yi LIU Yi-cai XU Si-jiu MA Xiao-li |
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| Abstract: | A hybrid circuit consists of charge sensitive preamplifier,main amplifier,discriminator and shaping circuit was described.This instrument has characteristics of low power consumption,small volume,high sensitivity,potable and so on,and is convenient for use in field.The output pulse of this instrument may directly consist with CMOS or TTL logic level.This instrument was mainly used for count measurement,for example,for high sensitive 3He neutron detector,mean while also may used for other heavy ion detectors,th highest counting rate can reach 106/s. |
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| Keywords: | discriminator count charge sensitive |
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