IEC 60728-1:1986
(Main)Cabled distribution systems. Part 1: Systems primarily intended for sound and television signals operating between 30 MHz and 1 GHz
Cabled distribution systems. Part 1: Systems primarily intended for sound and television signals operating between 30 MHz and 1 GHz
Applies to cabled distribution systems for sound and television signals in the frequency range of 30 MHz and 1 GHz. Lays down the basic methods of measurement of the operational characteristics in order to assess performance, performance limits and safety requirements.
Réseaux de distribution par câbles. Première partie: Systèmes principalement destinés aux signaux de radiodiffusion sonore et de télévision et fonctionnant entre 30 MHz et 1 GHz
S'applique aux réseaux de distribution par câbles pour les signaux de radiodiffusion sonore et de télévision du domaine de fréquences de 30 MHz à 1 GHz. Etablit les normes de mesure fondamentales permettant de déterminer les caractéristiques de fonctionnement, fixe les valeurs limites de ces caractéristiques et donne des prescriptions de sécurité.
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- Correction of minimum cross-section of bonding conductor in Figure 6, Figure 14 and Figure 17.
- Creation of new symbols for "overvoltage protective device - (OPD)" and for "coaxial overvoltage protective device - (COPD)".
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- In 3.1 replacement of terms CATV, MATV and SMATV by new terms and definitions due to changes in technology and use of cable networks.
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- Adaption to Edition 2.0 of the IEC 62305 series.
- Deletion of informative Annex C and normative reference to the simplified software for the calculation of risk due to lightning (Annex J of IEC 62305-2:2006.)
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IEC 60728-5:2015 specifies the characteristics of equipment used in the headends of terrestrial broadcast and satellite receiving systems (without satellite outdoor units and without those broadband amplifiers in the headend as described in IEC 60728-3). It:
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- The normative references were updated.
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