Kablovske mreže za televizijske signale, signale zvuka i interaktivne usluge – Deo 5: Oprema glavne stanice

Cable networks for television signals, sound signals and interactive services - Part 5: Headend equipment

Ovaj standard specificira karakteristike opreme koja se koristi u glavnim stanicama terestričkih radiodifuznih i satelitskih prijemnih sistema (bez satelitskih spoljašnjih jedinica i bez onih širokopojasnih pojačavača u glavnoj stanici opisanih u IEC 60728-3). To: - obuhvata frekvencijski opseg od 5 MHz do 3 000 MHz; - identifikuje zahteve za performanse za određene parametre; - postavlja zahteve za objavljivanjem podataka za određene parametre; - propisuje metode merenja; - uvodi minimalne zahteve za definisanje razreda kvaliteta (Q-razredi).

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: - covers the frequency range 5 MHz to 3 000 MHz; - identifies performance requirements for certain parameters; - lays down data publication requirements for certain parameters; - stipulates methods of measurements; - introduces minimum requirements defining quality grades (Q-grades). This third edition cancels and replaces the second edition published in 2007. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - new text for the introduction, following the scope of IEC TC 100/TA 5; - introduction of IPTV to the scope; - headend specification for digital terrestrial TV signals according to the DVB-T2 standard; - headend specification for digital TV signals in cable networks according to the DVB-S2 standard.

SRPS EN 60728-5:2017 zamenjuje SRPS EN 60728-5:2010 - 29.12.2017

kablovske mreže, televizijski signali, signali zvuka, interaktivne usluge, oprema glavne stanice