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不同^(60)Co γ剂量率下10位双极D/A转换器的总剂量效应 被引量：4

Total Dose Effect of 10-bit Bipolar D/A Converter Under Different ^(60)Co γ Dose Rates
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摘要 为探索电离辐射对数模混合电路的影响,对国产10位双极D/A转换器在60Co γ射线不同剂量率辐照下的电离辐射效应及退火特性进行研究。结果表明:D/A转换器对辐照剂量率十分敏感,在大剂量率辐照时,电路功能正常,各功能参数变化较小;在低剂量率辐照下,各参数变化显著,电路功能出现异常,表现出明显的低剂量率损伤增强效应。最后,结合空间电荷模型对其电离辐射损伤机理进行了初步探讨。 In order to find the responses of digital-to-analog （D/A） converters in ionizing radiation environment, total dose effect and room-temperature annealing behavior of a 10-bit bipolar D/A converter irradiated by different^ 60 Coγ dose rates were investigated. The D/A converter is quite sensitive to dose rates, and its functions are normal at high dose rate irradiation. While under low-dose-rate ease, it works out of the way and many parameters go beyond its permitted range. Thus, it exhibits an enhanced low- dose-rate sensitivity effect. Finally, possible mechanism was discussed based on the space charge model.
作者 王义元 陆妩 任迪远 郑玉展 高博 李鹏伟 于跃
机构地区 中国科学院新疆理化技术研究所 中国科学院研究生院
出处 《原子能科学技术》 EI CAS CSCD 北大核心 2009年第10期951-955,共5页 Atomic Energy Science and Technology
关键词 双极数模转换器 剂量率 电离效应 低剂量率损伤增强效应 bipolar D/A converter dose rate ionization effect enhance low-dose-rate sensitivity
分类号 TN431 [电子电信—微电子学与固体电子学] TN792 [电子电信—电路与系统]
  • 相关文献

参考文献10

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二级参考文献12

  • 1任迪远,陆妩,余学峰,范隆,高文钰,严荣良.线性集成电路的辐照响应和电离辐射损伤评估[J].核技术,1993,16(9):551-557. 被引量：8
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共引文献25

同被引文献26

  • 1任迪远,陆妩,余学锋,郭旗,艾尔肯.双极器件和电路的不同剂量率的辐射效应研究[J].固体电子学研究与进展,2006,26(4):471-476. 被引量：11
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二级引证文献7

原子能科学技术
2009年 第10期

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