BS EN 60244-12-2-1994 Methods of measurement for radio transmitters - Guideline for drawing up descriptive leaflets for transmitters and transposers for sound and television broadc.pdf

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1、BRITISH STANDARD BS EN 60244-12-2: 1994 IEC 244-12-2: 1989 Methods of measurement for radio transmitters Part 12: Guideline for drawing up descriptive leaflets for transmitters and transposers for sound and television broadcasting Section 12.2 Specification sheets The European Standard EN60244-12-2:

2、1993 has the status of a BritishStandard UDC 621.397.13:621:396.6:621.317.3.08BSEN60244-12-2:1994 This BritishStandard, having been prepared under the directionof the Electronic Equipment Standards Policy Committee, was published underthe authority of the Standards Board and comesintoeffect on 15Sep

3、tember1994 BSI 12-1999 The following BSI references relate to the work on this standard: Committee reference EEL/25 Special announcement in BSI News September1993 ISBN 0 580 23453 3 Cooperating organizations The European Committee for Electrotechnical Standardization (CENELEC), under whose supervisi

4、on this European Standard was prepared, comprises the national committees of the following countries: Austria Italy Belgium Luxembourg Denmark Netherlands Finland Norway France Portugal Germany Spain Greece Sweden Iceland Switzerland Ireland United Kingdom Amendments issued since publication Amd. No

5、. Date CommentsBSEN60244-12-2:1994 BSI 12-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 Text of EN 60244-12-2 3 National annex NA (informative) Committees responsible Inside back cover National annex NB (informative) Cross-references Inside back co

6、verBSEN60244-12-2:1994 ii BSI 12-1999 National foreword This BritishStandard has been prepared under the direction of the Electronic Equipment Standards Policy Committee and is the English language version of EN60244-12-2:1993 Methods of measurement for radio transmitters Part12: Guideline for drawi

7、ng up descriptive leaflets for transmitters and transposers for sound and television broadcasting Specification sheets, published by the European Committee for Electrotechnical Standardization (CENELEC). It is identical with IEC244-12-2:1989, published by the International Electrotechnical Commissio

8、n (IEC) and is part of a series describing recommended methods of measurement for assessing the performance of radio transmitters. This Part is intended to be used in conjunction with BS EN60244-12-1:1994 and will be updated at a later date as the other Parts of BS EN60244 dealing with methods of me

9、asurement of the characteristics listed in the tables in this standard are being revised. It is advisable to check with BSI whether this is the latest issue of this Part. It is anticipated that the other Parts of IEC Publication244 will be published as identical BritishStandards, subject to their ha

10、rmonization by CENELEC. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages

11、This document comprises a front cover, an inside front cover, pagesi andii, theEN title page, pages2 to14, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside

12、front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60244-12-2 April 1993 UDC 621.397.13:621.396.6:621.317.3.08 Supersedes HD 236.12.2 S1:1991 Descriptors: Sound broadcasting, television broadcasting, radio equipment, transmitter, characteristic, specification English version Methods of

13、 measurement for radio transmitters Part12:Guideline for drawing up descriptive leaflets for transmitters and transposers for sound and television broadcasting Specification sheets (IEC244-12-2:1989) Mthodes de mesure applicables aux metteurs radiolectriques Douzime partie: Guide de rdaction des feu

14、illes de spcification des metteurs et des rmetteurs de tlvision et radiodiffusion sonore Feuilles de specification (CEI244-12-2:1989) Meverfahren fur Funksender Teil12: Anleitung zur Erstellung von Datenblttern fr Funksender und Umsetzer fr Fernseh- und Tonrundfunk Spezifikationen (IEC244-12-2:1989)

15、 This European Standard was approved by CENELEC on1993-03-09. 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

16、references concerning such national standards may be obtained on application to the Central Secretariat 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 CENE

17、LEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway

18、, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1993 Copyright reserved

19、 to CENELEC members Ref. No. EN60244-12-2:1993 EEN60244-12-2:1993 BSI 12-1999 2 Foreword At the request of72nd Technical Board, HD236.12.2 S1:1991 (IEC244-12-2:1989) was submitted to the CENELEC voting procedure for conversion into a European Standard. The text of the International Standard was appr

20、oved by CENELEC as EN60244-12-2 on9March1993. The following dates were fixed: Annexes designated “normative” are part of the body of the standard. In this standard, Annex ZA is normative. Contents Page Foreword 2 Introduction 3 Annex ZA (normative) Other internationalpublications quoted in thisstand

21、ardwith the references of the relevantEuropean publications 13 Table I General characteristics for transmittersand transposers for soundandtelevision broadcasting 4 Table II Performance characteristics fortelevision transmitters 7 Table III Performance characteristics fortelevision transposers 8 Tab

22、le IV Performance characteristics forFMsound transmitters 10 Table V Performance characteristics forAMsound transmitters 11 Table VI Performance characteristics for transposers for FM sound broadcasting 12 latest date of publication of an identical national standard (dop)1994-06-01 latest date of wi

23、thdrawal of conflicting national standards (dow) EN60244-12-2:1993 BSI 12-1999 3 Introduction This standard is one of a series of parts of IEC Publication244. This standard shall be used in conjunction with Publication244-12-1. Its updated issue will be published while the parts of IEC Publication24

24、4 dealing with methods of measurement of characteristics listed in these tables are being revised. It is advisable to check if this is the latest issue.EN60244-12-2:1993 4 BSI 12-1999 Table I General characteristics for transmitters and transposers for soundandtelevisionbroadcasting Sub-clause of IE

25、C Publication 244-12-1 Characteristic Values Statements and remarks Method of measurement IEC Publication Clause or sub-clause 5.1 Transmission system(s) Class of emission and system(s) in accordance with CCIR Recommendations 5.2 Frequency range(s) . to. kHz or MHz Replacement components Any suitabl

26、e Method. See also: External drive For transposers, frequency range for reception. Switching time. 244-5 11 5.3 5.4 Carrier frequency stability Intermediate frequency . Hz . MHz 244-1 Section 2 244-5 244-9 10 11 5.5 Rated output power . W or kW For SSB transmissions 244-1 Section 3 5.6 5.7 5.8 5.9 N

27、ominal load impedance Load impedance mismatch Nominal input impedance Input impedance mismatch . 7 . . 7 . 7 . 7 . dB . dB . dB Carrier reduction. dB a) For operation within the performance specifications b) For operation without intervention of protective devices Audio input, balanced or unbalanced

28、 Video input RF input (for transposers) Audio input Video input RF input (for transposers) 244-5 244-9 244-5 244-9 8 9 7.2 8 5.10 5.11 Nominal input voltage and Input voltage range . mV or dB (mV) at. Hz .Vpp . mV or dB (mV) at. MHz + . dB . dB + . dB . dB + . dB . dB Audio input a Video input a r.f

29、. input a 244-5 244-9 7.3 6.4 5.12 5.13 Spurious emissions Out-of-band emission . dB or . pW or mW See relevant section of IEC Publication244-12-1 244-2 244-5 11 12 5.14 Cabinet radiation a) Harmful radiation b) Interfering radiation . . Under consideration Under consideration a Note Sub-clause5.10

30、EN60244-12-2:1993 BSI 12-1999 5Table I General characteristics for transmitters and transposers for soundandtelevisionbroadcasting Sub-clause of IEC Publication 244-12-1 Characteristic Values Statements and remarks Method of measurement IEC Publication Clause or sub-clause 5.15 Environmental conditi

31、ons a) Ambient temperature b) Relative humidity +. C to. C +. C to. C .% .% Within performance specifications Continuing to function Within performance specifications Continuing to function c) Air cooling inlet temperature and relative humidity +. C to . C .% +. C to. C .% Within performance specifi

32、cations Continuing to function d) Altitude .m Within performance specifications 5.16 Primary power supply Type a) D.C. A.C. b)+pole earthed or pole earthed c) single phase or three phase d) three-wire system or four-wire system 5.17 a) Nominal (line-to-line) voltage and tolerances b) Waveform c) Vol

33、tage unbalance of three phase supply d) Nominal frequency and tolerances e) Max a.c. component of d.c. supply .V +.% .% +.dB deviation from .dB rated output power Instantaneous value of the voltage Instantaneous value ofthe fundamental for the negative- sequence component for the zero-sequence compo

34、nent For definition, see 244-1 5.1.2 .% .% .% .Hz .% +.Hz .Hz 5.18 5.19 5.20 Power consumption Power factor a) Interference voltages b) Immunity to transients .W or kW . . . For different conditions of modulation 244-1 244-5 244-1 244-5 21 9 22 9 EN60244-12-2:1993 6 BSI 12-1999Table I General charac

35、teristics for transmitters and transposers for soundandtelevisionbroadcasting Sub-clause of IEC Publication 244-12-1 Characteristic Values Statements and remarks Method of measurement IEC Publication Clause or sub-clause 5.21 Safety standards According to IEC Publication215. Otherwise, state details

36、 5.22 5.23 Protection against atmospheric discharges Interface facilities for supervisory equipment Under consideration List of commands and technical interface indications 5.24 Connectors characteristics Type: Connector manufacturer references including sex and characteristic impedanceEN60244-12-2:

37、1993 BSI 12-1999 7 Table II Performance characteristics for television transmitters Sub-clause of IEC Publication 244-12-1 Characteristic Values Statements and remarks Method of measurement IEC Publication Clause or sub-clause 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 7.10 7.11 7.12 7.13 Amplitude/radio-f

38、requency characteristic Amplitude/video-frequency characteristic Group-delay/video-frequency characteristic Luminance bar tilt 2T pulse/bar ratio or 2T pulse/bar ratio error 2T pulse shape distortion Field-time bar tilt Variation of output power Variation of blanking level Luminance non-linearity Di

39、fferential gain Differential phase Chrominance luminance crosstalk Table or graph Table or graph Table or graph .% or K=.% .% or K=. % Graticule for K=.% .% orK=.% .dB .% .% Max% Min% .degrees .% Reference frequency. MHz Reference frequency. MHz Reference frequency. MHz Split frequency.Hz Test signa

40、l E according to: or ITS signalI orV according to: Fora . %variation of input blanking level For.% (peak-to-peak) hum or noise Luminance level varied between.% and.% Chrominance peak-to-peak amplitude.% See7.11 244-5B 244-5B 244-5B 244-5 244-10 244-10 244-10 244-5 244-5 244-5 244-5B 244-5B 244-5B 24

41、4-5B 28.2.2 29.2.2 30.3.2 24.2a 14.2 16.2 17.1 23.2 17 17 33.1.2 34.1.2 34.2.2 36.4 7.14 Incidental phase modulation .degrees Under consideration 7.15 7.16 Signal-to-random noise ratio Signal-to-noise ratio for periodic noise .dB .dB 244-5C 244-5C 39.1.3 39.2.2 7.17 Transmitters with combined amplif

42、ication of the vision and sound channels Intermodulation products in-band out-of-band, including other unwanted emissions .dB at.MHz .dB at.MHz Test signal. 244-5C 44 8.1 8.2 Characteristics of the sound section FM sound section AM sound section See Table IV See Table V 8.3 Crosstalk attenuation bet

43、ween sound channels Stereo. dB Any two channels Under consideration .dB 8.4 Cross-modulation vision to sound .% Under considerationEN60244-12-2:1993 8 BSI 12-1999 Table III Performance characteristics for television transposers Sub-clause of IEC Publication 244-12-1 Characteristic Values Statements

44、and remarks Method of measurement IEC Publication Clause or sub-clause 10.1 Automatic gain control range . dB to+.dB For a change in output level of+1 dB and1dB 244-9 10.2.2 10.2 Automatic gain control time constants ms For6dB increase For6dB decrease of input level 244-9 10.3.2 10.3 10.4 10.5 10.6

45、10.7 Internally generated unwanted signals at the input Amplitude/radio- frequency characteristic Group-delay/radio- frequency characteristic Noise figure Intermodulation products (in-band) dB(4W) Table or graph Table or graph Table or graph Table or graph Reference frequency Vision carrier Sound ca

46、rrier RF signal Reference frequency Split frequency RF signal Vision carrier Sound carrier RF signal . MHz .dB .dB .dB . MHz .Hz .dB .dB .dB .dB 244-9 244-9 244-9 244-9 244-9 12.2 15.3 16.3 20.2 25.2 10.8 Intermodulation products (out-of-band), including other unwanted emissions in the absence of in

47、terfering input signals Table Table For vision & sound carriers only For the standardized IEC input signal 244-9 27.2 10.9 Unwanted emissions in the presence of interfering input signals in upper adjacent channel in lower adjacent channel at vision image carrier frequency at sound image carrier freq

48、uency at intermediate frequency . dB . dB . dB . dB . dB 244-9 28.2 EN60244-12-2:1993 BSI 12-1999 9Table III Performance characteristics for television transposers Sub-clause of IEC Publication 244-12-1 Characteristic Values Statements and remarks Method of measurement IEC Publication Clause or sub-

49、clause 10.10 10.11 Feedback coupling Cross-modulation vision to sound . dB . % 244-9 Amend.1 29.2 30.2 10.12 Incidental phase modulation . degrees Under consideration 10.13 Video-frequency performance characteristics See Table II Items7.4 to7.13,7.15 and7.16 11.1 11.2 Characteristics of the sound channel FM sound AM sound channel See Table I