1、INTERNATIONALSTANDARDIEC60489-6Third edition1999-07Radio equipment used in mobile services Methods of measurement Part 6:Data equipmentMatriel de radiocommunication utilis dans les servicesmobiles Mthodes de mesure Partie 6:Matriel numriqueReference numberIEC 60489-6:1999(E)LICENSED TO MECON Limited
2、.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.NumberingAs from 1 January 1997 all IEC publications are issued with a designation in the60000 series.Consolidated publicationsConsolidated versions of some IEC publications including amendments areavailable.For
3、example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to thebase publication,the base publication incorporating amendment 1 and the basepublication incorporating amendments 1 and 2.Validity of this publicationThe technical content of IEC publications is kept under constant review by the IEC,thu
4、s ensuring that the content reflects current technology.Information relating to the date of the reconfirmation of the publication is availablein the IEC catalogue.Information on the subjects under consideration and work in progress undertakenby the technical committee which has prepared this publica
5、tion,as well as the listof publications issued,is to be found at the following IEC sources:IEC web site*Catalogue of IEC publicationsPublished yearly with regular updates(On-line catalogue)*IEC BulletinAvailable both at the IEC web site*and as a printed periodicalTerminology,graphical and letter sym
6、bolsFor general terminology,readers are referred to IEC 60050:InternationalElectrotechnical Vocabulary(IEV).For graphical symbols,and letter symbols and signs approved by the IEC forgeneral use,readers are referred to publications IEC 60027:Letter symbols to beused in electrical technology,IEC 60417
7、:Graphical symbols for use on equipment.Index,survey and compilation of the single sheets and IEC 60617:Graphical symbolsfor diagrams.*See web site address on title page.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONALSTAN
8、DARDIEC60489-6Third edition1999-07Radio equipment used in mobile services Methods of measurement Part 6:Data equipmentMatriel de radiocommunication utilis dans les servicesmobiles Mthodes de mesure Partie 6:Matriel numriquePRICE CODE IEC 1999 Copyright-all rights reservedNo part of this publication
9、may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission3,rue de Varemb Geneva,SwitzerlandTelefax:+41 22 919 0300e-mail:inmailiec.ch IEC web site h
10、ttp:/www.iec.chXGFor 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 60489-6 IEC:1999(E)CONTENTSPageFOREWORD.4Clause1 Gen
11、eral.51.1 Scope and object.51.2 Emission characteristics.51.3 System characteristics.61.4 Normative references.72 Terms and definitions.73 Test conditions.123.1 Standard test conditions.123.2 Supplementary test conditions.123.3 Characteristics of the measuring equipment.184 Measurements of receiver-
12、decoder radio-frequency parameters.224.1 Sensitivity(data).224.2 Adjacent radio-frequency signal selectivity(data).244.3 Co-channel interference rejection(data).284.4 Adjacent-channel selectivity(data).284.5 Spurious response immunity(data).284.6 Intermodulation immunity(data).324.7 Sensitivity unde
13、r multipath propagation conditions(data).364.8 Acceptable radio-frequency displacement(data).394.9 Impulsive-noise tolerance(data).415 Measurements of receiver-decoder radio-frequency parameters(selective calling only).455.1 Protection from radio-frequency intermodulation false operation(selective c
14、alling).455.2 False responses due to noise(selective calling).465.3 Signalling attack time(selective calling).485.4 Recovery time(selective calling).485.5 Required protection time(selective calling).495.6 Signal-to-residual output-power ratio(selective calling).496 Measurements of receiver-decoder c
15、onducted and radiated spurious components.506.1 Conducted spurious components(data and selective calling).506.2 Radiated spurious components(data).517 Measurements of encoder-transmitters radio-frequency parameters.517.1 Frequency error(data).517.2 Average radio-frequency output power(data).557.3 Sp
16、urious narrow bandwidth radio-frequency emission power(data).567.4 Adjacent and alternate channel power(data).588 Audio-frequency band measurements of encoder output characteristics(selective calling).658.1 Tone pulse-rise time(selective calling).658.2 Tone pulse duration(selective calling).658.3 Tone pulse-decay time(selective calling).66LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60489-6 IEC:1999(E)3 ClausePage8.4 Frequency o
