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    IEEE 299 1-2013 en Standard Method for Measuring the Shielding Effectiveness of Enclosures and Boxes Having all Dimensions between 0 1 m and 2 m《所有尺寸在0 1 m至2 m之.pdf

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    IEEE 299 1-2013 en Standard Method for Measuring the Shielding Effectiveness of Enclosures and Boxes Having all Dimensions between 0 1 m and 2 m《所有尺寸在0 1 m至2 m之.pdf

    1、 IEEE Standard Method for Measuring the Shielding Effectiveness of Enclosures and Boxes Having all Dimensions between 0.1 m and 2 m Sponsored by the Standards Development Committee IEEE 3 Park Avenue New York, NY 10016-5997 USA IEEE Electromagnetic Compatibility Society IEEE Std 299.1-2013 IEEE Std

    2、299.1-2013 IEEE Standard Method for Measuring the Shielding Effectiveness of Enclosures and Boxes Having all Dimensions between 0.1 m and 2 m Sponsor Standards Development Committee of the IEEE Electromagnetic Compatibility Society Approved 31 October 2013 IEEE-SA Standards Board Abstract: This stan

    3、dard provides uniform measurement procedures for determining the shielding effectiveness of electromagnetic (EM) shielding for a variety of enclosures and boxes having all dimensions between 0.1 m and 2 m in the radio frequency range not addressed by IEEE Std 299-2006. This standard is divided into

    4、two parts: Part I 0.75 m to 2 m and Part II physically small ( 0.75 m) but electrically large enclosures. In addition to a number of annexes aiding the measurement of shielding effectiveness of these enclosures, Annex I addresses physically small and electrically small enclosures, and Annex J addres

    5、ses electrically small enclosures in reverberation chambers. Problems occurring in the testing of small enclosures having linear dimension less than 2 m are very different from determining the shielding effectiveness of large rooms and broad depending on the actual size of the enclosure itself. A nu

    6、mber of other annexes are included that address rationale, mathematical formulas, selection of measurement techniques, preliminary measurement and repairs, wall-mounted monopoles, impedance mismatch correction, and using isolated monopoles in outer reverberation chambers. Keywords: electrically larg

    7、e, electrically small, electromagnetic shielding, IEEE 299.1, physically large, physically small, reverberation chamber, shielded enclosure, shielding effectiveness The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2014 by The Institute

    8、 of Electrical and Electronics Engineers, Inc. All rights reserved. Published 15 January 2014. Printed in the United States of America. IEEE is a registered trademark in the U.S. Patent fitness for a particular purpose; non-infringement; and quality, accuracy, effectiveness, currency, or completenes

    9、s of material. In addition, IEEE disclaims any and all conditions relating to: results; and workmanlike effort. IEEE standards documents are supplied “AS IS” and “WITH ALL FAULTS.” Use of an IEEE standard is wholly voluntary. The existence of an IEEE standard does not imply that there are no other w

    10、ays to produce, test, measure, purchase, market, or provide other goods and services related to the scope of the IEEE standard. Furthermore, the viewpoint expressed at the time a standard is approved and issued is subject to change brought about through developments in the state of the art and comme

    11、nts received from users of the standard. In publishing and making its standards available, IEEE is not suggesting or rendering professional or other services for, or on behalf of, any person or entity nor is IEEE undertaking to perform any duty owed by any other person or entity to another. Any pers

    12、on utilizing any IEEE Standards document, should rely upon his or her own independent judgment in the exercise of reasonable care in any given circumstances or, as appropriate, seek the advice of a competent professional in determining the appropriateness of a given IEEE standard. IN NO EVENT SHALL

    13、IEEE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO: PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

    14、STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE PUBLICATION, USE OF, OR RELIANCE UPON ANY STANDARD, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE AND REGARDLESS OF WHETHER SUCH DAMAGE WAS FORESEEABLE. Translations The IEEE consensus development process

    15、 involves the review of documents in English only. In the event that an IEEE standard is translated, only the English version published by IEEE should be considered the approved IEEE standard. Official statements A statement, written or oral, that is not processed in accordance with the IEEE-SA Stan

    16、dards Board Operations Manual shall not be considered or inferred to be the official position of IEEE or any of its committees and shall not be considered to be, or be relied upon as, a formal position of IEEE. At lectures, symposia, seminars, or educational courses, an individual presenting informa

    17、tion on IEEE standards shall make it clear that his or her views should be considered the personal views of that individual rather than the formal position of IEEE. Comments on standards Comments for revision of IEEE Standards documents are welcome from any interested party, regardless of membership

    18、 affiliation with IEEE. However, IEEE does not provide consulting information or advice pertaining to IEEE Standards documents. Suggestions for changes in documents should be in the form of a proposed change of text, together with appropriate supporting comments. Since IEEE standards represent a con

    19、sensus of concerned interests, it is important that any responses to comments and questions also receive the concurrence of a balance of interests. For this reason, IEEE and the members of its societies and Standards Coordinating Committees are not able to provide an instant response to comments or

    20、questions except in those cases where the matter has previously been addressed. For the same reason, IEEE does not respond to interpretation requests. Any person who would like to participate in revisions to an IEEE standard is welcome to join the relevant IEEE working group. Comments on standards s

    21、hould be submitted to the following address: Secretary, IEEE-SA Standards Board 445 Hoes Lane Piscataway, NJ 08854 USA Laws and regulations Users of IEEE Standards documents should consult all applicable laws and regulations. Compliance with the provisions of any IEEE Standards document does not imp

    22、ly compliance to any applicable regulatory requirements. Implementers of the standard are responsible for observing or referring to the applicable regulatory requirements. IEEE does not, by the publication of its standards, intend to urge action that is not in compliance with applicable laws, and th

    23、ese documents may not be construed as doing so. Copyrights IEEE draft and approved standards are copyrighted by IEEE under U.S. and international copyright laws. They are made available by IEEE and are adopted for a wide variety of both public and private uses. These include both use, by reference,

    24、in laws and regulations, and use in private self-regulation, standardization, and the promotion of engineering practices and methods. By making these documents available for use and adoption by public authorities and private users, IEEE does not waive any rights in copyright to the documents. Photoc

    25、opies Subject to payment of the appropriate fee, IEEE will grant users a limited, non-exclusive license to photocopy portions of any individual standard for company or organizational internal use or individual, non-commercial use only. To arrange for payment of licensing fees, please contact Copyrig

    26、ht Clearance Center, Customer Service, 222 Rosewood Drive, Danvers, MA 01923 USA; +1 978 750 8400. Permission to photocopy portions of any individual standard for educational classroom use can also be obtained through the Copyright Clearance Center. Updating of IEEE Standards documents Users of IEEE

    27、 Standards documents should be aware that these documents may be superseded at any time by the issuance of new editions or may be amended from time to time through the issuance of amendments, corrigenda, or errata. An official IEEE document at any point in time consists of the current edition of the

    28、 document together with any amendments, corrigenda, or errata then in effect. Every IEEE standard is subjected to review at least every ten years. When a document is more than ten years old and has not undergone a revision process, it is reasonable to conclude that its contents, although still of so

    29、me value, do not wholly reflect the present state of the art. Users are cautioned to check to determine that they have the latest edition of any IEEE standard. In order to determine whether a given document is the current edition and whether it has been amended through the issuance of amendments, co

    30、rrigenda, or errata, visit the IEEE-SA Website at http:/ieeexplore.ieee.org/xpl/standards.jsp or contact IEEE at the address listed previously. For more information about the IEEE SA or IEEEs standards development process, visit the IEEE-SA Website at http:/standards.ieee.org. Errata Errata, if any,

    31、 for all IEEE standards can be accessed on the IEEE-SA Website at the following URL: http:/standards.ieee.org/findstds/errata/index.html. Users are encouraged to check this URL for errata periodically. Patents Attention is called to the possibility that implementation of this standard may require us

    32、e of subject matter covered by patent rights. By publication of this standard, no position is taken by the IEEE with respect to the existence or validity of any patent rights in connection therewith. If a patent holder or patent applicant has filed a statement of assurance via an Accepted Letter of

    33、Assurance, then the statement is listed on the IEEE-SA Website at http:/standards.ieee.org/about/sasb/patcom/patents.html. Letters of Assurance may indicate whether the Submitter is willing or unwilling to grant licenses under patent rights without compensation or under reasonable rates, with reason

    34、able terms and conditions that are demonstrably free of any unfair discrimination to applicants desiring to obtain such licenses. Essential Patent Claims may exist for which a Letter of Assurance has not been received. The IEEE is not responsible for identifying Essential Patent Claims for which a l

    35、icense may be required, for conducting inquiries into the legal validity or scope of Patents Claims, or determining whether any licensing terms or conditions provided in connection with submission of a Letter of Assurance, if any, or in any licensing agreements are reasonable or non-discriminatory.

    36、Users of this standard are expressly advised that determination of the validity of any patent rights, and the risk of infringement of such rights, is entirely their own responsibility. Further information may be obtained from the IEEE Standards Association. Copyright 2014 IEEE. All rights reserved.

    37、viParticipants At the time this IEEE standard was completed, the Electromagnetic Shielding Enclosures Working Group had the following membership: Maria Sabrina Sarto, Chair Andy Marvin, Vice-Chair Peter Richeson, Chair of Subcommittee A Christopher L. Holloway, Chair of Subcommittee B Kermit O. Phip

    38、ps, Secretary Philip F. Keebler, Sandra Greco, Editors Nanette Jones, Graphics Designer John Archer Ilario Bertino Edwin Bronaugh Mark Bushnell Joe Butler Nigel Carter Johan Catrysse William J. Croisant Fred Eriksen Harry Gaul Robert Harriman Michel Hatfield Luther (Bud) Hoeft Mark Katrancha Galen K

    39、oepke John Ladbury Alessandro Lampasi David Larrabee Jim Lenn Valter Mariani Michael McInerney Franco Moglie Walter Scott Radu Sergiu Doug Smith Per Soldal Dale Svetanoff Donald Sweeney James WhalenThe following members of the individual balloting committee voted on this standard. Balloters may have

    40、 voted for approval, disapproval, or abstention. Jacob Ben Ary William Bush Mark Bushnell Suresh Channarasappa Keith Chow William J. Croisant Alistair Duffy Jon Ford Randall Groves Edward Hare Werner Hoelzl Daniel Hoolihan Noriyuki Ikeuchi Sergiu Iordanescu Efthymios Karabetsos Chad Kiger Jim Kulchi

    41、sky Arthur H. Light Greg Luri Edward McCall Michael McInerney Michael Newman Donald Parker Ghery Pettit Iulian Profir Michael Roberts Maria Sabrina Sarto Bartien Sayogo Raymond Senechal Walter Struppler Donald Sweeney John Vergis Barry Wallen Jian YuCopyright 2014 IEEE. All rights reserved. viiWhen

    42、the IEEE-SA Standards Board approved this standard on 31 October 2013, it had the following membership: John Kulick, Chair David J. Law, Vice-Chair Richard H. Hulett, Past Chair Konstantinos Karachalios, Secretary Masayuki Ariyoshi Peter Balma Farooq Bari Ted Burse Stephen Dukes Jean-Phillippe Faure

    43、 Alexander Gelman Mark Halpin Gary Hoffman Paul Houz Jim Hughes Michael Janezic Joseph L. Koepfinger* Oleg Logvinov Ron Peterson Gary Robinson Jon Walter Rosdahl Adrian Stephens Peter Sutherland Yatin Trivedi Phil Winston Yu Yuan *Member Emeritus Also included are the following nonvoting IEEE-SA Sta

    44、ndards Board liaisons: Richard DeBlasio, DOE Representative Michael Janezic, NIST Representative Michelle Turner IEEE Standards Program Manager, Document Development Joan Woolery IEEE Standards Program Manager, Technical Program Development Copyright 2014 IEEE. All rights reserved. viiiIntroduction

    45、This introduction is not part of IEEE Std 299.1-2013, IEEE Standard Method for Measuring the Shielding Effectiveness of Enclosures and Boxes Having all Dimensions between 0.1 m and 2 m. Enclosures and boxes constructed from various metals and other materials such as plastics coated with various meta

    46、llic coatings are used to provide shielding against radiated emissions in various frequency ranges. Enclosures and boxes shall contain apertures to allow objects to pass through the shield to reach equipment inside the shield. A particular threat is represented by intended apertures whose radiation

    47、cannot be mitigated by electromagnetic gasketing. In particular, heat dissipation requirements fix a lower bound on aperture size. This is the reason why equipment-level enclosures typically offer a shielding effectiveness (SE) ranging from low to medium values. The measurement of the SE of an enclo

    48、sure is standardized in IEEE Std 299-2006, IEEE Standard Method for Measuring the Effectiveness of Electromagnetic Shielding Enclosures. While in the case of a large enclosure, the method does not show any particular problems, in the case of a small enclosure, some problems arise, especially in the

    49、definition of SE. IEEE Std 299-2006 does not address tile measurement of the shielding effectiveness of enclosures having minimum linear dimension smaller than 2 m. IEEE Std 299-2006 provides uniform measurement procedures for determining the effectiveness of electromagnetic (EM) shielding enclosures at frequencies from 9 kHz to 18 GHz (extendable down to 50 Hz and up to 100 GHz). More precisely, a distinction is necessary between physically small but electrically large enclosures, and those that are both physically and electrically small. The former successfully allow


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