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IEEE/ANSI C63.12-1987

Historical Revision

American National Standard Recommended Practice for Electromagnetic Compatibility Limits and Test Levels

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New IEEE Standard - Superseded. A suggested set of limits that may find general application is set forth. A rationale for developing limits is presented, and a set of limits that are representative of current practice is recommended. Environmental radio noise and the selection of measurement parameters are described. The measurement of amplitude distribution, the measurement set envelope amplitude distribution, and the amplitude probability distribution are discussed in the appendixes.
Over the years many electromagnetic compatibility measurement and control standards have been developed. Many of these are of concern to particular classes of devices such as receivers, transmitters, incidental radiation devices, etc. In establishing limits, it is necessary to relate the measurement technique used to determine compliance with a given limit to the field conditions under which the device being controlled will actually operate. The purpose of this standard is to set forth, at least for reference purposes, a suggested set of limits which may find general application. This document does not set specific limits. It presents a rationale for developing limits and recommends a set of limits that are representative of current practice. In practice these limits1 may be adjusted in particular applications as circumstances dictate. This document does not consider limits for industrial, scientific, and medical (ISM) equipment which specifically uses radio frequencies as a major part of its operation. As part of the development of limits, the following parameters should be considered: 1) The general properties of both man-made and natural environmental noise 2) An understanding of the devices commonly used for measurement of radio noise and their properties, which will assist the practitioner in selecting such equipment and associated measurement techniques for the particular application 3) The rationale that can be used in selecting a consistent set of limits for emission and immunity, (susceptibility) subject to various environmental constraints (good engineering practice) These practices are intended to be applicable to individual equipment as well as systems of various sizes and, if properly applied, will provide guidance for obtaining both intrasystem and intersystem compatibility. This standard is organized as follows: Section 2 references instrumentation and measurements methods, Section contains a list of definitions, Section 4 describes environmental radio noise, and Section describes the selection of measurement parameters. Section 6 discusses limit setting, and Section is a list of references.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number C63.12
Publication Date Aug. 31, 1988
Language en - English
Page Count 24
Revision Level
Supercedes
Committee Gyro Accelerometer Panel
Publish Date Document Id Type View
Jan. 29, 2016 C63.12-2015 Revision
March 28, 2000 C63.12-1999 Revision
Aug. 31, 1988 C63.12-1987 Revision