| 10位双极数模转换器的电离辐射效应 |
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| 引用本文： | 王义元,陆妩,任迪远,郑玉展,高博,李鹏伟,于跃.10位双极数模转换器的电离辐射效应[J].固体电子学研究与进展,2009,29(4). |
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| 作者姓名： | 王义元 陆妩 任迪远 郑玉展 高博 李鹏伟 于跃 |
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| 作者单位： | 1. 中国科学院新疆理化技术研究所,乌鲁木齐,830011;中国科学院研究生院,北京,100049
2. 中国科学院新疆理化技术研究所,乌鲁木齐,830011 |
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| 摘 要： | 研究了国产互补双极工艺生产的数模转换器(D/A转换器)在不同偏置和不同剂量率条件下的电离辐射效应及退火特性。研究结果表明:D/A转换器对偏置条件和辐照剂量率都很敏感。大剂量率辐照时,电路功能正常,各功能参数变化较小;而在低剂量率辐照情况下,各参数变化显著,超出器件允许范围,器件功能失效。因此,D/A转换器表现出明显的低剂量率辐射损伤增强效应(ELDRS)。零偏时,D/A转换器功能参数损伤变化更加严重。最后,结合边缘电场效应和空间电荷模型对这种不同偏置和剂量率条件下的损伤机理进行了初步的探讨。
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| 关 键 词： | 双极数模转换器 ~(60)Co辐照 低剂量率辐射损伤增强效应 偏置条件 |
Ionizing Radiation Effect of a 10-bit Bipolar D/A Converter |
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| WANG Yiyuan,LU Wu,REN Diyuan,ZHENG Yuzhan,GAO Bo,LI Pengwei,YU Yue.Ionizing Radiation Effect of a 10-bit Bipolar D/A Converter[J].Research & Progress of Solid State Electronics,2009,29(4). |
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| Authors: | WANG Yiyuan LU Wu REN Diyuan ZHENG Yuzhan GAO Bo LI Pengwei YU Yue |
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| Affiliation: | WANG Yiyuan1,2 LU Wu1 REN Diyuan1 ZHENG Yuzhan1,2GAO Bo1,2 LI Pengwei1,2 YU Yue1,2(1Xinjiang Technical Institute of Physics & Chemistry,Chinese Academy of Sciences,Urumqi,830011,CHN)(2Graduate University of Chinese Academy of Sciences,Beijing,100049,CHN) |
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| Abstract: | Radiation effects and annealing characteristics of a bipolar current steering D/A converter have been investigated in different biases and dose-rates.The response of the D/A converter is sensitive to both the biases and dose-rates.During high dose-rate irradiation,the D/A converter works well.But under low dose-rate condition,the parameters of the D/A converter change obviously in low total dose,and is more significant at zero bias.Combining the fringing field with the space charge model,the damage mechanis... |
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| Keywords: | bipolar D/A converter ELDRS bias condition |
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