不同~(60)Co γ剂量率下10位双极D/A转换器的总剂量效应
Total Dose Effect of 10-bit Bipolar D/A Converter Under Different ~(60)Co γ Dose Rates
查看参考文献10篇
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文摘
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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~(60)Co 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. |
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其他语种文摘
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In order to find the responses of digital-to-analog (D/A) converters in ion-izing radiation environment, total dose effect and room-temperature annealing behavior of a 10-bit bipolar D/A converter irradiated by different ~(60)Co γ 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 case, 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. |
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来源
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原子能科学技术
,2009,43(10):951-955 【核心库】
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关键词
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双极数模转换器
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剂量率
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电离效应
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低剂量率损伤增强效应
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地址
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中国科学院新疆理化技术研究所, 新疆, 乌鲁木齐, 830011
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-6931 |
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学科
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电子技术、通信技术 |
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文献收藏号
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CSCD:3719458
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参考文献 共
10
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