瞬态电流测试可以检测一些用电压测试和稳态电流测试不能检测的故障。
Dynamic current testing can detect some faults that cannot be detected by voltage based test method and quiescent current test method.
由于CMOS集成电路中的故障和制造缺陷是多种多样的,其中有些故障既不能被电压测试也不能被稳态电流测试方法检测出来。
Due to the diversity of the faults and manufacturing defects in CMOS IC, some of the faults can neither be defected by voltage test nor by IDDQ test.
本文首先分析了稳态电流测试方法和瞬态电流测试方法的原理、特点,并分别指出它们的不足,在此基础上研究了一种新型的测试方法——全速电流测试方法。
This paper presents a new test method-at-speed current testing based on analyzing the theories, characteristics and shortcomings of quiescent power supply current testing and dynamic current testing.
这种方法克服了稳态电流测试方法测试频率低、瞬态电流测试方法对测试仪要求过高等问题,它能以电路的工作频率对电路进行测试,测试结果更准确,可以检测多种类型的故障。
By using it, the test can be done at the operation frequency of circuits under test, therefore results of the test can be more precise and this method can detect different types of faults.
通过测试数据拟合的稳态功率-电流方程,为设计红外模拟系统控制方案提供依据。
The steady state power-electric current equation by test data fitting provides the basis to design controlling project of infrared simulator.
根据弧焊变压器磁滞回线的测试结果,对弧焊变压器的稳态谐波电流进行计算,结果表明弧焊变压器空载谐波电流的主要成分为三次谐波。
Steady state harmonic current is calculated based on the magnetic characteristic curve of welding transformer. The results show that 3rd harmonic component is the main composition.
根据弧焊变压器磁滞回线的测试结果,对弧焊变压器的稳态谐波电流进行计算,结果表明弧焊变压器空载谐波电流的主要成分为三次谐波。
Steady state harmonic current is calculated based on the magnetic characteristic curve of welding transformer. The results show that 3rd harmonic component is the main composition.
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