1、raising standards worldwide NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BSI Standards Publication Cable networks for television signals, sound signals and interactive services Part 3: Active wideband equipment for cable networks BS EN 60728-3:2011National foreword This Bri
2、tish Standard is the UK implementation of EN 60728-3:2011. It is identical to IEC 60728-3:2010. It supersedes BS EN 60728-3:2006 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee EPL/100, Audio, video and multimedia systems and equipment, to Subcommitte
3、e EPL/100/4, Cable distribution equipment and systems. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. BSI 20
4、11 ISBN 978 0 580 75331 2 ICS 33.060.40 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2011. Amendments issued since publication Amd. No. Date Text aff
5、ected BRITISH STANDARD BS EN 60728-3:2011 EUROPEAN STANDARD EN 60728-3 NORME EUROPENNE EUROPISCHE NORM February 2011 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Ave
6、nue Marnix 17, B - 1000 Brussels 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60728-3:2011 E ICS 33.060.40; 33.170 Supersedes EN 60728-3:2006 English version Cable networks for television signals, sound signals and interac
7、tive services - Part 3: Active wideband equipment for cable networks (IEC 60728-3:2010) Rseaux de distribution par cbles pour signaux de tlvision, signaux de radiodiffusion sonore et services interactifs - Partie 3: Matriel actif large bande pour rseaux de distribution par cbles (CEI 60728-3:2010) K
8、 a b e l n e t z e f r F e r n s e h s i g n a l e , Tonsignale und interaktive Dienste - Teil 3: Aktive Breitbandgerte fr koaxiale Kabelnetze (IEC 60728-3:2010) This European Standard was approved by CENELEC on 2011-01-13. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulation
9、s 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 Eur
10、opean 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
11、 the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, 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, Slov
12、enia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 60728-3:2011EN 60728-3:2011 - 2 - Foreword The text of document 100/1746/FDIS, future edition 4 of IEC 60728-3, prepared by Technical Area 5, Cable networks for television signals, sound signals and interactive services, of IEC TC 100, A
13、udio, video and multimedia systems and equipment, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60728-3 on 2011-01-13. This European Standard supersedes EN 60728-3:2006. EN 60728-3:2011 includes the following significant technical changes with respect to EN 60728-3
14、:2006: extension of upper frequency range limit for cable network equipment from 862 MHz to 1 000 MHz; method of measurement and requirements for immunity to surge voltages; extension of scope to equipment using symmetrical ports; additional normative references; additional terms and definitions and
15、 abbreviations. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent rights. The following dates were fixed: latest date by which the EN has to be imp
16、lemented at national level by publication of an identical national standard or by endorsement (dop) 2011-10-13 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2014-01-13 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the Internatio
17、nal Standard IEC 60728-3:2010 was 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 60728-6:2003 NOTE Harmonized as EN 60728-6:2003 (not modified). IEC 60728-10 IEC 611
18、69-2 IEC 61169-24 NOTE Harmonized as EN 60728-10. NOTE Harmonized as EN 61169-2. NOTE Harmonized as EN 61169-24. _ BS EN 60728-3:2011- 3 - EN 60728-3:2011 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced d
19、ocuments are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifica
20、tions, indicated by (mod), the relevant EN/HD applies. Publication Y e a r T i t l e E N / H D Y e a rIEC 60065 - Audio, video and similar electronic apparatus - Safety requirements EN 60065 - IEC 60068-1 1988 Environmental testing - Part 1: General and guidance EN 60068-1 1994 IEC 60068-2-1 - Envir
21、onmental testing - Part 2-1: Tests - Test A: Cold EN 60068-2-1 - IEC 60068-2-2 - Environmental testing - Part 2-2: Tests - Test B: Dry heat EN 60068-2-2 - IEC 60068-2-6 - Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal) EN 60068-2-6 - IEC 60068-2-14 - Environmental testing -
22、 Part 2-14: Tests - Test N: Change of temperature EN 60068-2-14 - IEC 60068-2-27 - Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock EN 60068-2-27 - IEC 60068-2-29 - Environmental testing - Part 2: Tests - Test Eb and guidance: Bump EN 60068-2-29- IEC 60068-2-30 - Environmental
23、testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle) EN 60068-2-30 - IEC 60068-2-31 - Environmental testing - Part 2-31: Tests - Test Ec: Rough handling shocks, primarily for equipment-type specimens EN 60068-2-31 - IEC 60068-2-32 - Environmental testing. Part 2-32: Tests. Tes
24、t Ed: Free fall EN 60068-2-32 - IEC 60068-2-40 - Basic environmental testing procedures - Part 2-40: Tests - Test Z/AM: Combined cold/low air pressure tests EN 60068-2-40 - IEC 60068-2-48 - Environmental testing - Part 2-48: Tests - Guidance on the application of the tests of IEC 60068 to simulate t
25、he effects of storage EN 60068-2-48 - IEC 60529 - Degrees of protection provided by enclosures (IP Code) - - BS EN 60728-3:2011EN 60728-3:2011 - 4 - Publication Y e a r T i t l e E N / H D Y e a r IEC 60728-1 - Cable networks for television signals, sound signals and interactive services - Part 1: S
26、ystem performance of forward paths EN 60728-1 - IEC 60728-2 - Cabled distribution systems for television and sound signals - Part 2: Electromagnetic compatibility for equipment EN 50083-2 - IEC 60728-4 - Cable networks for television signals, sound signals and interactive services - Part 4: Passive
27、wideband equipment for coaxial cable networks EN 60728-4 - IEC 60728-5 - Cable networks for television signals, sound signals and interactive services - Part 5: Headend equipment EN 60728-5 - IEC 60728-11 - Cable networks for television signals, sound signals and interactive services - Part 11: Safe
28、ty EN 60728-11 - IEC 60950-1 - Information technology equipment - Safety - Part 1: General requirements EN 60950-1 - IEC 61000-4-5 - Electromagnetic compatibility (EMC) - Part 4-5: Testing and measurement techniques - Surge immunity test EN 61000-4-5 - IEC 61319-1 - Interconnections of satellite rec
29、eiving equipment - Part 1: Europe EN 61319-1 - IEC 61319-2 - Interconnections of satellite receiving equipment - Part 2: Japan - - ITU-T Recommendation G.117 - Transmission aspects of unbalance about earth - - ITU-T Recommendation O.9 - Measuring arrangements to assess the degree of unbalance about
30、earth - - BS EN 60728-3:2011 2 6 0 7 2 8 - 3 I EC: 2010(E ) C O N T E N T S INTRODUCTION . 8 1 S co pe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31、 . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2 N o r m a t i v e r e f e r e n c e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32、 9 3 T e r m s , d e f i n i t i o n s , s y m b o l s a n d a b b r e v i a t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 3 . 1 T e r m s a n d d e f i n i t i o n s . . . . . . . . . . . . . . . . . . .
33、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 3 . 2 S y m b o l s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
34、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5 3 . 3 A bb re v i a ti o ns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
35、 . . . . . . . . . . . . . . . . . 1 6 4 Methods of measurement . 17 4 . 1 G en era l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
36、. . . . . . 1 7 4 . 2 L i n ea r d i st o rt i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 8 4 . 2. 1 R e t u r n l o s s . . . . . . . .
37、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 8 4 . 2. 2 F la t ne s s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
38、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 9 4 . 2. 3 C h r o m i n a n c e / l u m i n a n c e d e l a y i n e q u a l i t y f o r P A L / S E C A M o n l y . . . . . . . . . . . . . . . . . . 1 9 4 . 3 N o n - l i n e a r d i s t o r t
39、i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 0 4 . 3. 1 G en era l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
40、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 0 4 . 3. 2 T y p e s o f m e a s u r e m e n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
41、 . . . . . . . . . . . . 2 0 4 . 3. 3 Intermodulation 20 4 . 3. 4 C o m p o s i t e t r i p l e b e a t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 4 . 3. 5 C o m p o s i t e s e
42、 c o n d o r d e r b e a t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 5 4 . 3. 6 C o m p o s i t e c r o s s m o d u l a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
43、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 6 4 . 3. 7 Method of measurement of non-linearity for pure digital channel load 29 4 . 3. 8 H u m m o d u l a t i o n o f c a r r i e r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44、. . . . . . . . . . . . . . . . . . . . . . . . . . 2 9 4 . 4 A ut o ma t i c g ai n a nd s lo pe c o nt ro l s t e p re s po ns e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3 4 . 4. 1 D e f i n i t i o n s . . . . . . . . . . . . . . .
45、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3 4 . 4. 2 E qu i p me nt re q ui re d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
46、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3 4 . 4. 3 C o n n e c t i o n o f e q u i p m e n t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 4 4 . 4. 4 Measurement
47、 procedure 34 4 . 5 N o i s e f i g u r e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 5 4 . 5. 1 G en era l . . . . . . . . . .
48、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 5 4 . 5. 2 E qu i p me nt re q ui re d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
49、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 5 4 . 5. 3 C o n n e c t i o n o f e q u i p m e n t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 5 4 . 5. 4 Measurement procedure 35 4 . 6 C r o s s t a l k a t t e n u a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
