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Alternative TitleExperimental Assessment and Mitigation of Operational Amplifier's SET Effect
程佳; 马英起; 韩建伟; 朱翔; 上官士鹏; 陈睿
Source Publication空间科学学报
Keyword单粒子瞬态脉冲效应 脉冲激光 试验评估 减缓电路
Other AbstractSingle Event Transients (SET) of linear device have the characteristics of transience and propagation, which cause great difficulties to fault location and mitigation design for on-orbit electronic systems and devices, and are significant threat to the reliability of spacecraft. To mitigate SET for linear devices, comprehensive experimental assessment on the SET is required, and parameters of the SET in the worst case especially need to be determined. Then specific filtering circuit can be designed according to the worst case parameters of SET and the application circuits. In this paper, SET assessment and mitigation on operational amplifier LM124 which is typically used in spacecraft are investigated. Firstly, SET characteristics of the device are evaluated by pulse laser facility, and the worst SET with duration of 35 mus and amplitude of 7.2 V are observed. Then, by using Hspice simulation, the SET of LM124 are compared and verified with experimental assessment, and mitigation on the worst SET using different parameters of filter circuits are investigated. Finally, the mitigation on worst SET with the optimized filtering circuit is investigated and verified again using the pulsed laser facility. The work of this paper is useful to investigate and mitigate SET of other linear devices applied in space.
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程佳,马英起,韩建伟,等. 运算放大器单粒子瞬态脉冲效应试验评估及防护设计[J]. 空间科学学报,2017,37(2):222-228.
APA 程佳,马英起,韩建伟,朱翔,上官士鹏,&陈睿.(2017).运算放大器单粒子瞬态脉冲效应试验评估及防护设计.空间科学学报,37(2),222-228.
MLA 程佳,et al."运算放大器单粒子瞬态脉冲效应试验评估及防护设计".空间科学学报 37.2(2017):222-228.
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