1、INTERNATIONALSTANDARDIEC60728-12First edition2001-02Cabled distribution systems for televisionand sound signals Part 12:Electromagnetic compatibility of systemsSystmes de distribution par cbles destins aux signauxde radiodiffusion sonore et de tlvision Partie 12:Compatibilit lectromagntique des syst
2、mesReference numberIEC 60728-12:2001(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numberingAs from 1 January 1997 all IEC publications are issued with a designation in the60000 series.For example,IEC 34-1 is now referr
3、ed to as IEC 60034-1.Consolidated editionsThe IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,thebase publication incorporating amendment 1 and the base publication incorporatingamendments 1 and 2.
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8、ed further assistance,please contact the Customer Service Centre:Email:custserviec.chTel:+41 22 919 02 11Fax:+41 22 919 03 00LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONALSTANDARDIEC60728-12First edition2001-02Cabled dis
9、tribution systems for televisionand sound signals Part 12:Electromagnetic compatibility of systemsSystmes de distribution par cbles destins aux signauxde radiodiffusion sonore et de tlvision Partie 12:Compatibilit lectromagntique des systmesPRICE CODE IEC 2001 Copyright-all rights reservedNo part of
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11、.ch IEC web site http:/www.iec.chRFor price,see current catalogue Commission Electrotechnique Internationale International Electrotechnical CommissionLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60728-12 IEC:2001(E)CONTENTSPageFOR
12、EWORD.3INTRODUCTION.5Clause1Scope.62Normative references.63Terms,definitions,symbols and abbreviations.73.1Terms and definitions.73.2Abbreviations.94Methods of measurement.94.1Radiation from cable networks.104.2Immunity of cable networks.135Performance requirements.145.1Radiation from cable networks
13、.145.2Immunity of cable networks.15Annex A(informative)Frequency ranges of typical safety of life services.17Annex B(informative)Interdependence between the maximum allowable field strengthand the minimum carrier-to-interference ratio.18Bibliography.19LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR I
14、NTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60728-12 IEC:2001(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION_CABLED DISTRIBUTION SYSTEMS FOR TELEVISIONAND SOUND SIGNALS Part 12:Electromagnetic compatibility of systemsFOREWORD1)The IEC(International Electrotechnical Commission)is
15、a worldwide organization for standardization comprisingall national electrotechnical committees(IEC National Committees).The object of the IEC is to promoteinternational co-operation on all questions concerning standardization in the electrical and electronic fields.Tothis end and in addition to oth
16、er activities,the IEC publishes International Standards.Their preparation isentrusted to technical committees;any IEC National Committee interested in the subject dealt with mayparticipate in this preparatory work.International,governmental and non-governmental organizations liaisingwith the IEC also participate in this preparation.The IEC collaborates closely with the International Organizationfor Standardization(ISO)in accordance with conditions determined by agreement between the twoorganizat