模拟VLSI电路故障诊断的相关分析法

被引:4
作者
谢永乐
机构
[1] 电子科技大学自动化工程学院
基金
国家自然科学基金重大研究计划;
关键词
模拟电路测试; 故障诊断; 子带滤波; 余弦调制;
D O I
暂无
中图分类号
TN707 [测试、检验];
学科分类号
080902 ;
摘要
为了提高模拟VLSI电路的测试精度,提出了一种基于数字信号处理的模拟VLSI电路测试方法.将测试响应经余弦调制实现的数字滤波器组完成子带滤波,随后对各子带滤波序列进行能量计算和相关分析,实现模拟响应的数字特征提取.对国际标准电路中的19个故障的实验表明:子带滤波序列的能量计算适合诊断硬故障;相关分析既可诊断硬故障,又可诊断软故障.实验还表明该方法对故障的分辨率远高于文献[7].
引用
收藏
页码:1999 / 2005
页数:7
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