NDLI: The fault diagnosis of the printed boards of analog repeater in the program-controlled digital switching system

Content Provider	IEEE Xplore Digital Library
Author	Li Cuiwei Yao Yannan Zang Liangzu
Copyright Year	1992
Description	Author affiliation: Xi'an Jiatong Univ., China (Li Cuiwei; Yao Yannan; Zang Liangzu)
Abstract	The analog repeated in the JD-1024 program-controlled digital switching system is characterized by the analog circuits mixed with digital circuits and machinery parts mixed with electric parts on the printed circuit boards. In view of this, in digital circuits a pseudo exhaustive method is used to create test codes. For analog circuits, the different parts are diagnosed by different methods which include dictionary diagnosis and node-multifrequency fault diagnosis. A series of tactics are used in practice which include the semi-period search method, carrying out comprehensive judgement on the multi-output function so that the test is hastened and the fault cover ratio is increased.
Starting Page	565
Ending Page	569
File Size	391563
Page Count	5
File Format	PDF
ISBN	0780300424
DOI	10.1109/ISIE.1992.279664
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-05-25
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault diagnosis Repeaters Circuit testing Analog circuits Digital circuits Switching systems Machinery Printed circuits Dictionaries Search methods
Content Type	Text
Resource Type	Article

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The fault diagnosis of the printed boards of analog repeater in the program-controlled digital switching system