A real-time simulation ofγray radiation response on three kinds of operational amplifiers

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A real-time simulation ofγray radiation response on three kinds of operational amplifiers

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- A real-time simulation ofγray radiation response on three kinds of operational amplifiers
- NUCLEAR TECHNIQUES Issue 1, (2007)
- 作者机构：
  
  1. 北京师范大学射线束技术与材料改性教育部重点实验室
  2. 天津市电源研究所
  3. 北京师范大学低能核物理研究所
  4. 北京师范大学低能核物理研究所北京 100875 北京师范大学低能核物理研究所
  5. 北京市辐射中心,北京,100875
  6. ,天津,300381
- 作者简介：
- 基金信息：
  
  北京市优秀人才基金;北京市自然科学基金(1052009)资助
- DOI：
  CLC： TN722.77
- Published：01 January 2007
- 稿件说明：
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[1]段立颖,王荣,徐伟,刘运宏,孙旭芳.LM118J-8和OP07运算放大器电路抗γ辐射实时模拟研究[J].核技术,2007(01):34-36.

A real-time simulation ofγray radiation response on three kinds of operational amplifiers[J]. Nuclear techniques, 2007, (1): 34-36.
[1]段立颖,王荣,徐伟,刘运宏,孙旭芳.LM118J-8和OP07运算放大器电路抗γ辐射实时模拟研究[J].核技术,2007(01):34-36. DOI：

A real-time simulation ofγray radiation response on three kinds of operational amplifiers[J]. Nuclear techniques, 2007, (1): 34-36. DOI：

摘要

利用60coγ射线模拟空间环境辐射

对卫星电源控制器中LM118J-8和OP07两种运算放大器电路进行剂量率为0.06和0.22 Gy（Si）/s

总剂量为3000 Gy（Si）辐射的实时在线研究。结果表明:随辐射剂量增加

OP07电路的输出电压在低剂量100Gy（Si）时就有明显变化

而LM118J-8电路的输出电压在辐射剂量高于900Gy（Si）时出现明显变化。LMIl8J-8运算放大器的抗辐射性能优于OP07放大器。引起LM118J-8、OP07性能退化、功能失效的主要原因是辐射感生了界面态。

Abstract

Two kinds of operational amplifiers LM118J-8 and OP07

and a reference device 7F3140

were irradiated with 60Coγrays and their radiation responses were measured in situ simultaneously.The results show that the output voltages of OP07 amplifier changed obviously at 100 Gy(Si)

while LMll8J-8’s did not change obviously until 900 Gy(Si).It is shown that LMll8J-8 amplifier has better radiation tolerance than 0P07

and that their different radiation tolerances result from different configurations and technologies of circuits.The invalidity and degradation of LMll8J-8 and 0P07 amplifier can be attributed to theγ-radiation-induced interface states.

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