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IEC 62153-4-9-ed.2.0
Metallic communication cable test methods - Part 4 - 9: Electromagnetic compatibility (EMC) - Coupling attenuation of screened balanced cables, triaxial method
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STANDARD published on 29.5.2018
The information about the standard:
Designation standards: IEC 62153-4-9-ed.2.0
Publication date standards: 29.5.2018
SKU: NS-849004
The number of pages: 56
Approximate weight : 168 g (0.37 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 62153-4-9-ed.2.0 :
IEC 62153-4-9:2018 applies to metallic communication cables. It specifies a test method for determining the coupling attenuation aC of screened balanced cables. Due to the concentric outer tube, measurements are independent of irregularities on the circumference and external electromagnetic fields. A wide dynamic and frequency range can be applied to test even super screened cables with normal instrumentation from low frequencies up to the limit of defined transversal waves in the outer circuit at approximately 4 GHz. However, when using a balun, the upper frequency is limited by the properties of the balun. Measurements can be performed with standard tube procedure (respectively with standard test head) according to IEC 62153-4-4 or with open tube (open test head) procedure. The procedure described herein to measure the coupling attenuation aC is based on the procedure to measure the screening attenuation aS according to IEC 62153-4-4. This second edition cancels and replaces the first edition published in 2008. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: – two test procedures, open head and standard head procedure; – measuring with balun or with multiport respectively mixed mode VNA; – extension of frequency range up to and above 2 GHz. LIEC 62153-4-9:2018 sapplique aux cables metalliques de communication. Elle specifie une methode dessai pour la determination de laffaiblissement de couplage, aC, de cables symetriques ecrantes. Grace au tube concentrique exterieur, les mesures sont independantes des irregularites de la circonference et des champs electromagnetiques externes. Une large plage dynamique de frequences peut etre appliquee pour soumettre aux essais des cables meme fortement ecrantes avec des instruments normaux depuis les basses frequences jusqu’a la limite des ondes transversales definies dans le circuit externe a environ 4 GHz. Toutefois, lorsque des symetriseurs sont utilises, la frequence superieure est limitee par les proprietes des symetriseurs. Des mesures peuvent etre realisees en suivant la procedure a tube normalise (tete normalisee) selon lIEC 62153-4-4 ou la procedure a tube ouvert (tete ouverte). La procedure de mesure de laffaiblissement de couplage, aC, decrite ici est fondee sur la procedure de mesure de laffaiblissement decran, aS, de IEC 62153-4-4. Cette deuxieme edition annule et remplace la premiere edition, parue en 2008. Cette edition constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes par rapport a l’edition precedente: – deux procedures dessai: a tete ouverte et a tete normalisee; – mesure avec un symetriseur ou avec un analyseur de reseau vectoriel en mode mixte ou multiport; – extension de la plage de frequences jusqua 2 GHz et au-dela.
These changes apply to this standard:
IEC 62153-4-9-ed.2.0/Amd.1
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Amendment 1 - Metallic communication cable test methods - Part 4 - 9: Electromagnetic compatibility (EMC) - Coupling attenuation of screened balanced cables, triaxial method
Change published on 6.7.2020
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IEC 62153-4-9-ed.2.0/Amd.2
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Amendment 2 - Metallic communication cable test methods - Part 4-9: Electromagnetic compatibility (EMC) related test method for measuring coupling attenuation of screened balanced cables - Triaxial method
Change published on 18.6.2024
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