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The CTR(Current Transfer Ratio) is usually used as characterization parameters in the optocoupler ALT(Accelerated Life Test). With the adventage of high reliability components, the time of ALT becomes too long to meet the needs of engineering. The CTR degradation appears after more than a year in the accelerated test of optocoupler storage life. The low-frequency noise of optocoupler is a characterization...
Optocoupler is widely used in the field of aerospace and military, its reliability is attached more importance Current transfer ratio (CTR) is a conventional electric parameter used to evaluate its reliability. But it can not reflect microscopic changes of device internal defects directly. In order to study the influence of defects to output noise, defects simulation of optocoupler based on low-frequency...
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