本文对电路印制板的测试技术进行了分类，介绍了在线测试和在线测试仪。
This paper classifies the testing technologies of PCB, introduces the on-line testing and on-line tester.
在有些应用中，例如测试电缆和印制板的绝缘电阻及耐压测试，可能需要切换高压信号。
Some applications, such as testing insulation resistance of cables and printed circuit boards and high-pot testing, may require switching high voltages.
本文论述了板级边界扫描测试存取口的故障模型和测试原理，并针对全边界扫描印制板提出了一种故障覆盖率高、测试时间短的测试算法。
This paper describes the fault models and test principles of the BS test access port (TAP) lines on PCBs. A test algorithm with high fault coverage and short time is then presented fort…
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