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Journal Radioengineering №3 for 2013 г.
Article in number:
The main procedures and the program of planning providing EMC by development of electronic equipment
Authors:
M.A. Romashchenko
Abstract:
One of points of maintenance of requirements EMC is the norms limiting conducted interferences, radiated system in feeding chain. In a case if they exceed the set requirements it is necessary to apply measures on their suppression which are usually reduced to installation of the filters located on an input of the device. Taking into account that conducted interferences contain two independent components - common-mode and differential-mode, occurrence having different physics it is necessary to apply filters of different designs to struggle against them. Besides, for effective suppression filter parametres should be picked up taking into account a frequency range which EMC does not correspond to requirements of standards. Thus, there is a problem of operative definition of type of a prevailing component in conducted interferences, a frequency range, and distribution of amplitudes in this range. In article set of the main procedures on the basis of which are consider the program of actions for providing of execution requirements of EMC at various development cycles of electronic equipment are form. At the beginning development of the device it are recommended to clarify the main aspects who will be us further on various stages of the program. The main procedures for the decision of tasks of EMC-planning and EMC-management of complex systems was result. The sequence of execution of appropriate procedures at various stages design and development work of system are offer. The approximate plan of the program providing of EMC and carrying out of EMC testing system are present. The technique of 5-steps are result at execution of EMC analysis.
Pages: 93-97
References
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  3. German military standard, VG 95 374 part 4.