1、BSI Standards PublicationCable networks for television signals, sound signals and interactive servicesPart 1: System performance of forward pathsBS EN 60728-1:2014National forewordThis British Standard is the UK implementation of EN 60728-1:2014. It is identical to IEC 60728-1:2014. It supersedes BS
2、 EN 60728-1:2008 which is withdrawn.The UK participation in its preparation was entrusted by Technical Com-mittee EPL/100, Audio, video and multimedia systems and equipment, to Subcommittee EPL/100/4, Cable distribution equipment and systems.A list of organizations represented on this committee can
3、be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 79843 6ICS 33.060.40Complianc
4、e with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September 2014.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 60728-1:2014EUROPEAN
5、 STANDARDNORME EUROPENNEEUROPISCHE NORMEN 60728-1 August 2014 ICS 33.060.40 Supersedes EN 60728-1:2008 English Version Cable networks for television signals, sound signals and interactive services - Part 1: System performance of forwardpaths (IEC 60728-1:2014) Rseaux de distribution par cbles pour s
6、ignaux detlvision, signaux de radiodiffusion sonore et services interactifs - Partie 1: Caractristiques des systmes de voie directe (CEI 60728-1:2014) Kabelnetze fr Fernsehsignale, Tonsignale und interaktiveDienste - Teil 1: Systemanforderungen in Vorwrtsrichtung(IEC 60728-1:2014) This European Stan
7、dard was approved by CENELEC on 2014-06-27. 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 concerni
8、ng such national standards may be obtained on application to the CEN-CENELEC Management Centre 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 membe
9、r into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic
10、of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Co
11、mit Europen de Normalisation ElectrotechniqueEuropisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60728-1:2014 E EN 60
12、728-1:2014 - 2 - Foreword The text of document 100/2269/FDIS, future edition 5 of IEC 60728-1, prepared by Technical Area 5 “Cable networks for television signals, sound signals and interactive services” of IEC/TC 100 “Audio, video and multimedia systems and equipment“ was submitted to the IEC-CENEL
13、EC parallel vote and approved by CENELEC as EN 60728-1:2014. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-03-27 latest date by which the national standards confli
14、cting with the document have to be withdrawn (dow) 2017-06-27 This document supersedes EN 60728-1:2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all su
15、ch patent rights. For this European Standard the informative Annex K of IEC 60728-1:2014 shall be disregarded and has been replaced by the informative Annex ZB “A-deviations”. Annexes ZA and ZB have been added by CENELEC. Endorsement notice The text of the International Standard IEC 60728-1:2014 was
16、 approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60728 Series NOTE Harmonized as EN 60728 Series (not modified). IEC 61169-2 NOTE Harmonized as EN 61169-2 (not modifi
17、ed). IEC 61169-24 NOTE Harmonized as EN 61169-24 (not modified). CISPR 16-1 Series NOTE Harmonized as EN 55016-1 Series (not modified). ISO/IEC 13818 Series NOTE Harmonized as EN ISO/IEC 13818 Series 1)(not modified). ISO/IEC 13818-3 NOTE Harmonized as EN ISO/IEC 13818-3 1)(not modified). 1)Withdraw
18、n. BS EN 60728-1:2014- 3 - EN 60728-1:2014 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For d
19、ated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-
20、date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu Publication Year Title EN/HD Year Characteristics of DAB receivers EN 50248 2001 IEC 60050-705 - International Electrotechnical Vocabulary (IEV) - Chapter 705: Radio wave propagat
21、ion - - IEC 60050-712 1992 International Electrotechnical Vocabulary (IEV) - Chapter 712: Antennas - - IEC 60050-725 - International Electrotechnical Vocabulary (IEV) - Chapter 725: Space radiocommunications - - IEC 60728-1-1 - Cable networks for television signals sound signals and interactive serv
22、ices - Part 1-1: RF cabling for two way home networks EN 60728-1-1 - IEC 60728-1-2 - Cable networks for television signals, sound signals and interactive services - Part 1-2: Performance requirements or signals delivered at the system outlet in operation EN 60728-1-2 - IEC 60728-2 - Cable networks f
23、or television signals, sound signals and interactive services - Part 2: Electromagnetic compatibility for equipment EN 50083-2 - IEC 60728-3 2010 Cable networks for television signals, sound signals and interactive services - Part 3: Active wideband equipment for cable networks EN 60728-3 2011 IEC 6
24、0728-5 - Cable networks for television signals, sound signals and interactive services - Part 5: Headend equipment EN 60728-5 - IEC 60728-10 - Cable networks for television signals, sound signals and interactive services - Part 10: System performance of return paths EN 60728-10 - BS EN 60728-1:2014E
25、N 60728-1:2014 - 4 - IEC 60728-11 - Cable networks for television signals, sound signals and interactive services - Part 11: Safety EN 60728-11 - IEC 60728-12 - Cabled distribution systems for television and sound signals - Part 12: Electromagnetic compatibility of systems EN 50083-8 - IEC 60966-2-4
26、 - Radio frequency and coaxial cable assemblies - Part 2-4: Detail specification for cable assemblies for radio and TV receivers - Frequency range 0 MHz to 3 000 MHz, IEC 61169-2 connectors EN 60966-2-4 - IEC 60966-2-5 - Radio frequency and coaxial cable assemblies - Part 2-5: Detail specification f
27、or cable assemblies for radio and TV receivers - Frequency range 0 MHz to 1 000 MHz, IEC 61169-2 connectors EN 60966-2-5 - IEC 60966-2-6 - Radio frequency and coaxial cable assemblies - Part 2-6: Detail specification for cable assemblies for radio and TV receivers - Frequency range 0 MHz to 3 000 MH
28、z, IEC 61169-24 connectors EN 60966-2-6 - ISO/IEC 13818-1 2007 Information technology - Generic coding of moving pictures and associated audio information: Systems - - ISO/IEC 13818-4 Information technology - Generic coding of moving pictures and associated audio information - Part 4: Conformance te
29、sting ISO/IEC 14496-1 - Information technology - Coding of audio-visual objects - Part 1: Systems - - ITU-R Recommendation BS.412-9 - Planning standards for terrestrial FM sound broadcasting at VHF - - ITU-R Recommendation BT.417-4 Minimum field strengths for which protection may be sought in planni
30、ng an analogue terrestrial television service ITU-R Recommendation BT.470-7 - Conventional analogue television systems - - ITU-R Recommendation BT.500-11 - Methodology for the subjective assessment of the quality of television pictures - - ITU-T Recommendation J.61 - Transmission performance of tele
31、vision circuits designed for use in international connections - - BS EN 60728-1:2014- 5 - EN 60728-1:2014 ETSI EN 300 421 - Digital Video Broadcasting (DVB): Framing structure, channel coding and modulation for 11/12 GHz satellite services - - ETSI EN 300 429 - Digital Video Broadcasting (DVB): Fram
32、ing structure, channel coding and modulation for cable systems - - ETSI EN 300 468 - Digital Video Broadcasting (DVB); Specification for Service Information (SI) in DVB systems - - ETSI EN 300 473 - Digital Video Broadcasting (DVB): Satellite Master Antenna Television (SMATV) distribution systems -
33、- ETSI EN 300 744 - Digital Video Broadcasting (DVB): Framing structure, channel coding and modulation for digital terrestrial television - - ETSI EN 302 307/V1.3.1 2013 Digital Video Broadcasting (DVB); Second generation framing structure, channel coding and modulation systems for Broadcasting, Int
34、eractive Services, News Gathering and other broadband satellite applications (DVB-S2) - - ETSI ETS 300 784 - Satellite Earth Stations and Systems (SES);Television Receive-Only (TVRO) satellite earth stations operating in the 11/12 GHz frequency bands - - ETSI TS 101 211 - Digital Video Broadcasting
35、(DVB); Guidelines on implementation and usage of Service Information (SI) - - ETSI TS 102 831 V1.2.1 2012 Digital Video Broadcasting (DVB); Implementation guidelines for a second generation digital terrestrial television broadcasting system (DVB-T2) - - BS EN 60728-1:2014EN 60728-1:2014 - 6 - Annex
36、ZB (informative) A-deviations A-deviation: National deviation due to regulations, the alteration of which is for the time being outside the competence of the CENELEC national member. This European Standard does not fall under any Directive of the EC. In the relevant CENELEC countries these A-deviati
37、ons are valid instead of the provisions of the European Standard until they have been removed. Clause Deviation 3.1.58 Norway According to Regulations on Electronic Communications Networks and Services (Ecom Regulations) laid down by the Norwegian Ministry of Transport and Communications on 16 Febru
38、ary 2004, the following applies: When installing coaxial cable-based networks, the part of the network to which the end-user is connected shall be placed in a star structure. It is not permitted to insert receiver connections into the connection between the star points. 5.4.1 Netherlands (Dutch Tech
39、nical Regulations for CATV networks (Technische Voorschriften voor Centrale Antenne Inrichtingen, 3e uitgave), 21 December 1977, which are valid for CATV networks in accordance with Article 21 of the Dutch Telecommunications law (Stb. 1988, 520) Replace by/add the following “minimum and maximum carr
40、ier levels” regulation as indicated in Table ZB.1. Table ZB.1 Carrier signal levels at any system outlet FM sound mono: 80 dB(V)max(measured in accordance with CISPR 16-1 4 (quasi-peak measurement within 120 kHz bandwidth) BS EN 60728-1:2014- 7 - EN 60728-1:2014 5.6.2 Netherlands (Dutch Technical Re
41、gulations for CATV networks (Technische Voorschriften voor Centrale Antenne Inrichtingen, 3e uitgave), 21 December 1977, which are valid for CATV networks in accordance with Article 21 of the Dutch Telecommunications law (Stb. 1988, 520) Add the group delay response curve valid for PAL with FM-FM so
42、und (Clause 5.4.1), as shown in Figure ZB.1. Group delay ns +400 +150 +100 0 100 150 400 0,25 0 1 2 3 4 5 4,43 5,35 5,9 Frequency MHz IEC 1463/07 Figure ZB.1 Mask group delay characteristic for PAL signals with FM-FM sound 5.9.1 Netherlands (Dutch Technical Regulations for CATV networks (Technische
43、Voorschriften voor Centrale Antenne Inrichtingen, 3e uitgave), 21 December 1977, which are valid for CATV networks in accordance with Article 21 of the Dutch Telecommunications law (Stb. 1988, 520) Replace by/add the following “single-frequency interference” regulation as indicated in Table ZB.2. Ta
44、ble ZB.2 Single-frequency interference AM-VSB-PAL-signals: C/I 60 dB (measured in a bandwidth of 300 kHz) For signals outside used TV channels: C/I 40 dB BS EN 60728-1:2014EN 60728-1:2014 - 8 - 5.10.2 Netherlands (Dutch Technical Regulations for CATV networks (Technische Voorschriften voor Centrale
45、Antenne Inrichtingen, 3e uitgave), 21 December 1977, which are valid for CATV networks in accordance with Article 21 of the Dutch Telecommunications law (Stb. 1988, 520) Replace the requirements for “echoes in television channels, PAL-SECAM standards” by the “requirement for echo loss in relation to
46、 the time delay of the reflected signal for AM-PAL-TV and FM-radio” (Figure ZB.2). 40 35 30 25 20 15 10 5 0 10 100 1 000 10 000 Reflections admissible TV FM Reflections inadmissible Time delay (ns) Echo-loss(dB)IEC 1468 Figure ZB.2 Requirement for echo loss in relation to the time delay of the refle
47、cted signal 5.12.1 Denmark (Danish technical regulations for CATV-networks, which are applicable to those networks in accordance with national legislation act. nr; 277 of June 1995, given by the Ministry of Research) Add the requirement for “decoding margin” being “the decoding margin must be 40 %,
48、when the margin is a minimum of 70 % at the receiving antenna”. 5.14.3 Netherlands (Dutch Technical Regulations for CATV networks (Technische Voorschriften voor Centrale Antenne Inrichtingen, 3e uitgave), 21 December 1977, which are valid for CATV networks in accordance with Article 21 of the Dutch
49、Telecommunications law (Stb. 1988, 520) Add the requirement for “adjacent channel spacing” by 400 kHz. _ BS EN 60728-1:2014 2 IEC 60728-1:2014 IEC 2014 CONTENTS INTRODUCTION . 12 1 Scope 13 2 Normative references 13 3 Terms, definitions, symbols and abbreviations . 15 3.1 Terms and definitions . 15 3.2 Symbols . 27 3.3 Abbreviations . 29 4 Methods of measurement at system outlet . 31 4.1 Performance limits . 31 4.2 Mutual isolation between system outlets 33 Overview
