IEEE-C63.12-1999.pdf
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1、ANSI C63.12-1999 (Revision of ANSI C63.12-1987) American National Standard Recommended Practice for Electromagnetic Compatibility Limits Accredited Standards Committee on Electromagnetic Compatibility, C63 accredited by the American National Standards Institute Secretariat Institute of Electrical an
2、d Electronics Engineers, Inc. Approved 14 December 1999 American National Standards Institute Abstract: This recommended practice presents a rationale for developing limits and recommends sets of limits that are representative of current practice. These limits may be adjusted in particular applicati
3、ons as circumstances dictate. Keywords: electromagnetic compatibility, electromagnetic noise, radio noise The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 1 O01 6-5997, USA Copyright O 2000 by the Institute of Electrical and Electronics Engineers, Inc. All righ
4、ts reserved. Published 27 March 2000. Printed in the United States of America. Print: ISBN 0-7381 -21 63-0 SH94839 PDF: ISBN 0-7381 -21 64-9 SS94839 No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the
5、publisher. Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=OConnor, Maurice Not for Resale, 04/28/2007 20:51:28 MDTNo reproduction or networking permitted without license from IHS -,-,- American Nati
6、onal Standard An American National Standard implies a consensus of those substantially concerned with its scope and pro- visions. An American National Standard is intended as a guide to aid the manufacturer, the consumer, and the general public. The existence of an American National Standard does no
7、t in any respect preclude anyone, whether he has approved the standard or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standard. American National Standards are subject to peri- odic reviews and users are cautioned to obtain the la
8、test editions. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The pro- cedures of the American National Standards Institute require that action be taken to reaffrm, revise, or with- draw this standard no later than five years from the date of publication. Pu
9、rchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. Authorization to photocopy portions of any individual standard for internal or personal use is granted by the Institute of Electrical and Electron
10、ics Engineers, Inc., provided that the appropriate fee is paid to Copyright Clearance Center. To arrange for payment of licensing fee, please contact Copyright Clearance Center, Cus- tomer Service, 222 Rosewood Drive, Danvers, MA 01923 USA; (978) 750-8400. Permission to photocopy portions of any ind
11、ividual standard for educational classroom use can also be obtained through the Copy- right Clearance Center. Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=OConnor, Maurice Not for Resale, 04/28/20
12、07 20:51:28 MDTNo reproduction or networking permitted without license from IHS -,-,- phis introduction is not part of ANSI C63.12-1999, American National Standard Recommended Practice for Electro- magnetic Compatibility Limits. The problem of electromagnetic compatibility has existed from the early
13、 days of radio when spark gaps were used for transmitting and receivers picked up many signals unintentionally. Radio transmission has evolved from those early days into a highly sophisticated science. However, the need for compatibility is even greater today than it was in earlier times since moder
14、n society has come to depend on radio waves in all facets of life, from garage door openers and licensed broadcasting to sophisticated airplane and missile guidance sys- tems. The proliferation of unintentional radiators, such as personal computers and video games, has increased the need for electro
15、magnetic compatibility. The need for an electromagnetic compatibility document was recognized by the American National Stan- dards Committee C63 and as a result, the first official issue of C63.12 was approved 2 December 1983 and published by IEEE in 1984. Changes in national and international stand
16、ards since that time prompted Com- mittee C63 to request that Subcommittee Number 1 undertake a first revision, which was published by IEEE in 1988. Further changes in international and in military immunity techniques and requirements, as well as requests by potential users of C63.12, led to the cur
17、rent revision. This recommended practice suggests emission limits based on maintaining existing ambient levels and pro- tection of licensed radio services. Immunity limits are based on ensuring satisfactory equipment operation in the presence of likely disturbance levels due to man-made and natural
18、noise sources. Participants At the time that this standard was developed, the Working Group that prepared this standard had the follow- ing membership: H. Robert Hofmann, Chair Stephen D. Bloom Ray Magnuson At the time that the Accredited Standards Committee on Electromagnetic Compatibility, C63, ap
19、proved this standard, it had the following membership: Ralph M. Showers, Chair Edwin L. Bronaugh, Wce Chair Patricia Gerdon, Secretariat Organization Represented Name of Representative Aeronautical Radio, Inc. (ARINC). . Dan Martinec Alliance for Telecom. Industry Solutions John F. Lichtig American
20、Council of Independent Laboratories Ross A. Hansen American Radio Relay League Hugh Turnbull Association of American Railroads. Chris Allman Association of Telecommunications Attorneys. . Glen Dash AT Clause 3 contains a list of definitions; Clause 4 describes environmental radio noise; Clause 5 des
21、cribes the selection of measurement parameters; Clause 6 discusses limit setting; and Annex A is a bibli- ography. It should be noted that the limits and measurement techniques described herein are proposed for general use to the extent that they are not covered i n the regulations of the United Sta
22、tes federal government agencies. Clearly, in circumstances where such regulations apply and could be considered to be in conflict with these practices, those regulations take precedence. %he terms radio noise, electromagnetic noise, and electromagnetic disturbance generally connote the same phenomen
23、a, except that radio noise is restricted to phenomena at frequencies above 9 kHz. Otherwise, these terms are used interchangeably i n this document. Copyright O 2000 IEEE. All rights reserved. 1 Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with
24、IEEELicensee=IHS Employees/1111111001, User=OConnor, Maurice Not for Resale, 04/28/2007 20:51:28 MDTNo reproduction or networking permitted without license from IHS -,-,- ANSI c63.12-1999 ANSI RECOMMENDED PRACTICE FOR 2. References Instrumentation and measurement methods used for determining equipme
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