break spark

This paper discusses a method of on-line checking on the broken circuit of integrated-circuit’s plates in operation.

讨论了一种在线检测模块化集成电路板断路的方法 。

The paper mainly discusses the basic theory of wavelet transform, introduces the application of wavelet transform in the fault diagnosis of the open circuit rotor for asynchronous motor, and gives the construction of signal detected circuit.

文章主要论述了有关小波变换的基本理论 ,介绍了小波变换在异步电动机转子断路故障诊断中的应用 ,给出了信号检测电路的组

The design for detecting the short or open circuit problem of integrated circuit chip based on the boundary scan technique is researched from designing method and realization technique.

阐述了边界扫描技术的基本原理,从设计方法和实现技术方面对基于边界扫描技术的芯片短断路检测设计进行了研究,并给出了具体的实现方法;以针对CPU为BGA封装的电路板设计了一套短路、断路故障检测平台为例,经验证,该设计有效地缩短了电路板的生产、周期,并且可排除PC独立运行,降低了其维修测试费用,因而将具有更为广泛的应用前景。

A design of a Cable-Fault Detector based on the principle of low voltage pulse reflection is presented in this paper, It can be used in detecting the fault of short circuit and open circuit of communication cable and power cable .

本文介绍了一种基于低压脉冲反射法原理的电缆故障测试仪的硬件设计,可用于检测通信电缆和电力电缆的短路,断路等故障。