SIST EN 55022:2007
(Main)Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement
Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement
This International Standard applies to ITE as defined in 3.1. Procedures are given for the measurement of the levels of spurious signals generated by the ITE and limits are specified for the frequency range 9 kHz to 400 GHz for both class A and class B equipment. No measurements need be performed at frequencies where no limits are specified. The intention of this publication is to establish uniform requirements for the radio disturbance level of the equipment contained in the scope, to fix limits of disturbance, to describe methods of measurement and to standardize operating conditions and interpretation of results.
Einrichtungen der Informationstechnik - Funkstöreigenschaften - Grenzwerte und Messverfahren
Appareils de traitement de l'information - Caractéristiques des perturbations radioélectriques - Limites et méthodes de mesure
L'objet de cette norme est d'établir des exigences uniformes pour les limites des perturbations radioélectriques des appareils relevant du domaine d'application, de fixer des limites pour le niveau perturbateur, de décrire des méthodes de mesure et de normaliser les conditions de fonctionnement et l'interprétation des résultats.
Oprema za informacijsko tehnologijo - Karakteristike občutljivosti za radijske motnje - Mejne vrednosti in merilne metode (CISPR 22:2005, spremenjen)
General Information
Relations
Standards Content (Sample)
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EUROPEAN STANDARD
EN 55022
NORME EUROPÉENNE
September 2006
EUROPÄISCHE NORM
ICS 33.100.10 Supersedes EN 55022:1998 + A1:2000 + A2:2003
English version
Information technology equipment -
Radio disturbance characteristics -
Limits and methods of measurement
(CISPR 22:2005, modified)
Appareils de traitement de l'information - Einrichtungen der Informationstechnik -
Caractéristiques des perturbations Funkstöreigenschaften -
radioélectriques - Grenzwerte und Messverfahren
Limites et méthodes de mesure (CISPR 22:2005, modifiziert)
(CISPR 22:2005, modifiée)
This European Standard was approved by CENELEC on 2005-09-13. CENELEC members are bound to comply
with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and notified
to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 55022:2006 E
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EN 55022:2006 – 2 –
Foreword
The text of the International Standard CISPR 22:2003 as well as A1:2004 and
CISPR/I/136/FDIS (Amendment 3) and CISPR/I/128/CDV (Amendment 2, fragment 17),
prepared by CISPR SC I "Electromagnetic compatibility of information technology equipment,
multimedia equipment and receivers", together with the common modifications prepared by the
Technical Committee CENELEC TC 210, Electromagnetic compatibility (EMC), was submitted
to the CENELEC Unique Acceptance Procedure for acceptance as a European Standard.
In addition, the text of CISPR/I/135A/FDIS (future A2, fragment 1) to CISPR 22:2003, also
prepared by CISPR SC I "Electromagnetic compatibility of information technology equipment,
multimedia equipment and receivers", was submitted to the CENELEC formal vote as prAD to
prEN 55022:2005, with the intention of the two documents being merged and ratified together
as a new edition of EN 55022.
During the period of voting on these CENELEC drafts, the amendments CISPR/I/135A/FDIS
and CISPR/I/136/FDIS (Amendments 2 and 3 respectively) made to CISPR 22:2003, resulted in
the publication of a new (fifth) edition of CISPR 22, in accordance with IEC rules. The resulting
CISPR 22:2005 was published in April 2005.
This resulting version of EN 55022, which was ratified on 2005-09-13, is therefore identical to
CISPR 22:2005 except for the common modifications that were included in the document
submitted to the CENELEC Unique Acceptance Procedure. The common modifications include
CISPR/I/128/CDV, as this draft was not implemented in the unamended CISPR 22:2005.
This European Standard supersedes EN 55022:1998 and its amendments A1:2000 and
A2:2003.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2007-04-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2009-10-01
This European Standard has been prepared under a mandate given to CENELEC by the
European Commission and the European Free Trade Association and covers essential
requirements of EC Directives 89/336/EEC, 2004/108/EC and 1999/5/EC. See Annex ZZ.
__________
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– 3 – EN 55022:2006
Endorsement notice
The text of the International Standard CISPR 22:2005 was approved by CENELEC as a European
Standard with agreed common modifications as given below.
COMMON MODIFICATIONS
3 Definitions
3.11 Replace the definition by:
3.11
associated equipment
AE
equipment needed to maintain the data traffic on the cable attached to the EUT port under test
and (or) to maintain the normal operation of the EUT during the test. The associated equipment
may be physically located outside the test area
NOTE The AE can be another ITE, a traffic simulator or a connection to a network. The AE can be situated close
to the measurement set-up, outside the measurement room or be represented by the connection to a network. AE
should not have any appreciable influence on the test results.
4 Classification of ITE
4.2 Replace the first paragraph by:
Class A ITE is a category of all other ITE which satisfies the class A ITE limits but not the class
B ITE limits. The following warning shall be inc
...
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