1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Cable networks for television signals, sound signals and interactive servicesPart 3: Active wideband equipment for cable networks (TA 5) (IEC 60728-3:2017)BS EN IEC 60728-3:2018EUROPEAN STANDARD NORME EUROPENNE EUROPISC
2、HE NORM EN IEC 60728-3 February 2018 ICS 33.060.40; 33.170 Supersedes EN 60728-3:2011 English Version Cable networks for television signals, sound signals and interactive services - Part 3: Active wideband equipment for cable networks (TA 5) (IEC 60728-3:2017) Rseaux de distribution par cbles pour s
3、ignaux de tlvision, signaux de radiodiffusion sonore et services interactifs - Partie 3: Matriel actif large bande pour rseaux de distribution par cbles (IEC 60728-3:2017) Kabelnetze fr Fernsehsignale, Tonsignale und interaktive Dienste - Teil 3: Aktive Breitbandgerte fr Kabelnetze (IEC 60728-3:2017
4、) This European Standard was approved by CENELEC on 2018-01-01. 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 bibliographica
5、l references concerning 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 responsibili
6、ty of a CENELEC member 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, For
7、mer Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Elect
8、rotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Member
9、s. Ref. No. EN IEC 60728-3:2018 E National forewordThis British Standard is the UK implementation of EN IEC 607283:2018. It is identical to IEC 607283:2017. It supersedes BS EN 607283:2011, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee EPL/100, Audio
10、, video and multimedia systems and equipment.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. The British Stand
11、ards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 95792 5ICS 33.170; 33.060.40Compliance 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 31 March
12、2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN IEC 607283:2018EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN IEC 60728-3 February 2018 ICS 33.060.40; 33.170 Supersedes EN 60728-3:2011 English Version Cable networks for television signals, sound signa
13、ls and interactive services - Part 3: Active wideband equipment for cable networks (TA 5) (IEC 60728-3:2017) 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
14、 (IEC 60728-3:2017) Kabelnetze fr Fernsehsignale, Tonsignale und interaktive Dienste - Teil 3: Aktive Breitbandgerte fr Kabelnetze (IEC 60728-3:2017) This European Standard was approved by CENELEC on 2018-01-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stip
15、ulate 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 CEN-CENELEC Management Centre or to any CENELEC member. This Europ
16、ean 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 CEN-CENELEC Management Centre has the same status as the official versions. CENELEC mem
17、bers are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, No
18、rway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Cent
19、re: Rue de la Science 23, B-1040 Brussels 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN IEC 60728-3:2018 E BS EN IEC 607283:2018EN IEC 60728-3:2018 (E) 2 European foreword The text of document 100/2975/FDIS, future edition 5
20、of IEC 60728-3, 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-CENELEC parallel vote and approved by CENELEC as EN IEC 60728-3:2018. The following
21、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) 2018-10-01 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2021-01-01 This document
22、 supersedes EN 60728-3:2011, EN 60728-3-1:2012 and CLC/TS 50083-3-3:2014. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights. Endorsement notice The
23、text of the International Standard IEC 60728-3:2017 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 60728-1 NOTE Harmonized as EN 60728-1. IEC 60728-6:2011 NOTE H
24、armonized as EN 60728-6:2011 (not modified) IEC 60728-10 NOTE Harmonized as EN 60728-10 IEC 61169-2 NOTE Harmonized as EN 61169-2 IEC 61169-24 NOTE Harmonized as EN 61169-24 ISO 80416 series NOTE Harmonized in EN 80416 series BS EN IEC 607283:2018EN IEC 60728-3:2018 (E) 3 Annex ZA (normative) Normat
25、ive references to international publications with their corresponding European publications The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated
26、 references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Sta
27、ndards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60068-1 - Environmental testing - Part 1: General and guidance EN 60068-1 - IEC 60068-2-1 - Environmental testing - Part 2-1: Tests - Test A: Cold EN 60068-2-1 - IEC 60068-2-2 - Environmental testing
28、 - 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 - Part 2-14: Tests - Test N: Change of temperature EN 60068-2-14 - IEC 60068-2-27 - Environmental testi
29、ng - Part 2-27: Tests - Test Ea and guidance: Shock EN 60068-2-27 - IEC 60068-2-30 - Environmental 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 equ
30、ipment-type specimens EN 60068-2-31 - IEC 60068-2-40 - Basic environmental testing procedures - Part 2: Tests. Test Z/AM: Combined cold/low air pressure tests EN 60068-2-40 - IEC 60529 - Degrees of protection provided by enclosures (IP Code) - - IEC 60728-2 - Cable networks for television signals, s
31、ound signals and interactive services - 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 wideband equipment for coaxial cable networks EN 60728-4 - IEC 60728-5 - Cable networ
32、ks 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: Safety EN 60728-11 - IEC 61000-4-5 - Electromagnetic compatibility (EMC) - Part 4-5: Test
33、ing and measurement techniques - Surge immunity test EN 61000-4-5 - IEC 61319-1 - Interconnections of satellite receiving equipment - Part 1: Europe EN 61319-1 - BS EN IEC 607283:2018EN IEC 60728-3:2018 (E) 4 IEC 61319-2 - Interconnections of satellite receiving equipment - Part 2: Japan - - IEC 623
34、68-1 - Audio/video, information and communication technology equipment - Part 1: Safety requirements EN 62368-1 - BS EN IEC 607283:2018 2 IEC 60728-3:2017 IEC 2017 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 8 2 Normative references 8 3 Terms, definitions, symbols and abbreviated terms 9 3.1 Term
35、s and definitions 9 3.2 Symbols 12 3.3 Abbreviated terms . 14 4 Methods of measurement 14 4.1 General . 14 4.2 Linear distortion 15 4.2.1 Return loss 15 4.2.2 Group delay variation 15 4.3 Non-linear distortion 16 4.3.1 General . 16 4.3.2 Types of measurements . 16 4.3.3 Intermodulation 17 4.3.4 Comp
36、osite triple beat . 19 4.3.5 Composite second order beat 22 4.3.6 Method of measurement of non-linearity for pure digital channel load 22 4.3.7 Hum modulation of carrier 30 4.4 Noise figure 33 4.4.1 General . 33 4.4.2 Equipment required . 33 4.4.3 Connection of equipment . 33 4.4.4 Measurement proce
37、dure 34 4.5 Crosstalk attenuation 34 4.5.1 Crosstalk attenuation for loop-through ports 34 4.5.2 Crosstalk attenuation for output ports 34 4.6 Measurement of noise power ratio (NPR) 36 4.6.1 General . 36 4.6.2 Equipment required . 37 4.6.3 Connection of equipment . 37 4.6.4 Measurement procedure 38
38、4.6.5 Presentation of the results . 38 4.7 Immunity to surge voltages . 39 4.7.1 General . 39 4.7.2 Equipment required . 39 4.7.3 Connection of equipment . 39 4.7.4 Measurement procedure 40 5 Equipment requirements 40 5.1 General requirements . 40 5.2 Safety . 40 5.3 Electromagnetic compatibility (E
39、MC) . 40 5.4 Frequency range . 40 5.5 Impedance and return loss 40 BS EN IEC 607283:2018 3 IEC 60728-3:2017 IEC 2017 5.6 Gain 41 5.6.1 Minimum and maximum gain 41 5.6.2 Gain control . 41 5.6.3 Slope and slope control . 41 5.7 Flatness 41 5.8 Test points 41 5.9 Noise figure 41 5.10 Non-linear distort
40、ion 42 5.10.1 General . 42 5.10.2 Second-order distortion . 42 5.10.3 Third order distortion . 42 5.10.4 Composite triple beat . 42 5.10.5 Composite second order 42 5.10.6 Maximum operating level for pure digital channel load . 42 5.11 Hum modulation 43 5.12 Power supply 43 5.13 Environmental . 43 5
41、.13.1 General . 43 5.13.2 Transportation . 43 5.13.3 Installation or maintenance 43 5.13.4 Operation 43 5.13.5 Energy efficiency of equipment 44 5.14 Marking . 44 5.14.1 Marking of equipment 44 5.14.2 Marking of ports . 44 5.15 Requirements for multi-switches . 44 5.15.1 Control signals for multi-sw
42、itches 44 5.15.2 Amplitude frequency response flatness 44 5.15.3 Return loss 44 5.15.4 Through loss 44 5.15.5 Isolation . 44 5.15.6 Crosstalk attenuation . 44 5.15.7 Satellite IF to terrestrial signal isolation . 45 5.16 Immunity to surge voltages . 45 5.16.1 Degrees of testing levels . 45 5.16.2 Re
43、commendation of testing level degree . 45 Annex A (normative) Test carriers, levels and intermodulation products . 46 A.1 Two signal tests for second- and third-order products . 46 A.1.1 Intermodulation products with test signals at frequencies aand b, see Table A.1 46 A.1.2 Signal levels 46 A.2 Thr
44、ee signal tests for third order products Intermodulation products with test signals at frequencies a, band c , see Table A.2 and Figure A.3 47 Annex B (informative) Test frequency plan for composite triple beat (CTB), composite second order (CSO) 48 Annex C (informative) Measurement errors that occu
45、r due to mismatched equipment 50 Annex D (informative) Examples of measurement channels . 51 D.1 Operating frequency range 110 MHz to 1 006 MHz . 51 D.2 Operating frequency range 110 MHz to 862 MHz 51 BS EN IEC 607283:2018 4 IEC 60728-3:2017 IEC 2017 D.3 Operating frequency range 258 MHz to 1 218 MH
46、z . 51 Bibliography 52 Figure 1 Basic arrangement of test equipment for evaluation of the ratio of signal to intermodulation product 18 Figure 2 Connection of test equipment for the measurement of non-linear distortion by composite beat . 21 Figure 3 BER measurement test configuration . 24 Figure 4
47、CINR measurement test setup 28 Figure 5 Plot of CINR in dB curve (forward path) versus EUT channel output signal level in dBV 29 Figure 6 Carrier/hum ratio 30 Figure 7 Test set-up for local-powered objects . 31 Figure 8 Test set-up for remote-powered objects . 31 Figure 9 Oscilloscope display 32 Fig
48、ure 10 Measurement of noise figure 33 Figure 11 Measurement of crosstalk attenuation for loop through ports of multi-switches 36 Figure 12 Characteristic of the noise filter 37 Figure 13 Test setup for the non-linearity measurement . 37 Figure 14 Presentation of the result of NPR 39 Figure 15 Measur
49、ement set-up for surge immunity test 40 Figure A.1 An example showing products formed when 2a b. 46 Figure A.2 An example showing products formed when 2a 10 min). Note the level of the signal applied to the measuring receiver and the BERMeasvalue obtained. c) Connect the EUT between the variable attenuator A and the variable attenuator B. d) The equipment under test shall be operated at nominal gain and with nominal slop
