1、m 3404583 0323577 395 m BRITISH STANDARD 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 EN 60244-12-2 : 1993 has the st
2、atus of a British Standard UDC 621.397.13 : 621 : 396.6 : 621.317.3.08 BS EN 6024412-2 : 1994 IEC 244-12-2 : 1989 3404583 0323578 221 = Amd. No, Date BS EN 60244-12-2 : 1994 Text affected Cooperating organizations The European Committee for Electrotechnical Standardization (CENELEC), under whose sup
3、ervision 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 This British Standard, having been pr
4、epared under the direction of the Electronic Equipment Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 15 September 1994 O BSI 1994 The following BSI references relate to the work on this standard: Cornmittee reference EEL125 Special anno
5、uncement in BSi News September 1993 ISBN O 580 23453 3 3L109583 0323579 168 M BS EN 60244-12-2 : 1994 Contents Cooperating organizations National foreword la Inside front cover i Foreword 2 %Xt of EN 60244-12-2 3 National annex NA (informative) Committees responsible Inside back cover National annex
6、 NB (informative) Cross-references Inside back cover National foreword This British Standard has been prepared under the direction of the Electronic Equipment Standards Policy Committee and is the English language version of EN 60244-12-2 : 1993 Methods of meclsurement fix- radio trumitters Part 12:
7、 Chidelinefor drawing up descriptive leaflets for trumitters and transposers for sound and television broadcasting - Specvication sheets, published by the European Committee for Electrotechnical Standardization (CENELEC). It is identical with IEC 244-12-2 : 1989, published by the International Elect
8、rotechnical Commission (IEC) and is part of a series describing recommended methods of measurement for assessing the performance of radio transmit ters. This Part is intended to be used in conjunction with BS EN 60244-12-1 : 1994 and will be updated at a later date as the other larts of BS EN 60244
9、dealing with methods of measurement 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 Publication 244 will be published as identical British St
10、andards, subject to their harmonization by CENELEC. Compliance with a British Standard does not of itself confer immunity from legal obligations. i = 3404583 0323580 98T EN 60244- 12-2 April 1993 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM UDC 62 1.397.13: 62 1.396.6: 621.317.3.08 Descriptors:
11、 Sound broadcasting, television broadcasting, radio equipment, transmitter, characteristic, specification Supersedes HD 236.12.2 S1 : 1991 English version Methods of measurement for Part 12: Guideline for drawing up transmitters and transposers for radio transmitters descriptive leaflets for sound a
12、nd television broadcasting - Specification sheets (IEC 244-12-2 : 1989 ) Mthodes de mesure applicables aux metteurs radiolectriques Douzime partie: Guide de rdaction des feuilles de spcification des metteurs et des rmetteurs de tlvision et radiodiffusion MeBverfahren fur Funksender Teil 12: Anleitun
13、g zur Erstellung von Datenblttern fr Funksender und Umsetzer fr Fernseh- und Tonrundfunk - Spezifikationen sonore - Feuilles de specification (CE1 244-12-2 : 1989) (IEC 244-12-2 : 1989) This European Standard was approved by CENELEC on 1993-03-09. CENELEC members are bound to comply with the CENKENE
14、LEC 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 references concerning such national standards may be obtained on application to the Central Secretariat or to any C
15、ENELEC 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 CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versio
16、ns. CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland , France , Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standa
17、rdization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B- 1050 Brussels O 1993 Copyright reserved to CENELEC members Ref. No. EN 60244-12-2 : 1993 E Previous page is blank Page 2 EN 60244-12-2 : 1993 Forewor
18、d At the request of 72nd lchnical Board, HD 236.12.2 SI : 1991 (IEC 244-12-2 : 1989) was submitted to the CENELEC voting procedure for conversion into a European Standard. The text of the International Standard was approved by CENELEC as EN 60244-12-2 on 9 March 1993. The following dates were fixed:
19、 - latest date of publication of an identical national standard (dop) 1994-06-01 - latest date of withdrawal of conflicting national standards (dw) - = 3404583 O123581 BLb Annexes designated normative are part of the body of the standard. In this standard, annex ZA is normative. = 3404583 0323582 75
20、2 page 3 EN 60244-12-2 : 1993 CONTENTS INTRODUCTION . TABLE I - General characteristics for transmitters and transposers for sound and television broadcasting TABLE II . Performance characteristics for television transmitters TABLE III . Performance characteristics for television transposers . TABLE
21、 IV . Performance characteristics for FM sound transmitters TABLE V . Performance characteristics for AM sound transmitters . TABLE VI . Performance characteristics for transposers for FM sound broadcasting Annex ZA (normative) Other international publications quoted in this standard with the refere
22、nces of the relevant European publications . Page 4 5 8 9 10 11 12 13 = 3404583 0323583 699 W page 4 EN 60244-12-2 : 1993 INTERNATIONAL ELECTROTECHNICAL COMMISSION METHODS OF MEASUREMENT FOR RADIO TRANSMITTERS Part 12: Guideline for drawing up descriptive leaflets for transmitters and transposers fo
23、r sound and television broadcasting Specification sheets INTRODUCTION This standard is one of a series of parts of I EC Publication 244. This standard shall be used in conjunction with Publication 244-12-1. Its updated issue will be pub- lished while the parts of I EC Publication 244 dealing with me
24、thods of measurement of characteristics listed in these tables are being revised. It is advisable to check if this is the latest issue. 3404583 0123584 525 W 244-5 page 5 EN 60244-12-2 : 1993 II TABLE I General characteristics for transmitters and transposers for sound and television broadcasting Su
25、b-clause ofIEC u blicat ion 244- 12- 1 5. I 5.2 5.3 5.4 5.5 5.6 5.1 5.8 5.9 5.10 5.11 5.12 5.13 5.14 Characteristic ransmission system(s) 3equency range(s) Carrier frequency stability Intermediate frequency Rated output power Nominal load impedance Load impedance mismatch Nominal input impedance Inp
26、ut impedance mismatch Nominal input voltage and input voltage range Spurious emissions Out-of-band emission Cabinet radiation u) Harmful radiation b) Interfering radiation Values to . kHz or MHz . Hz . MHz . W or kW . R . . R . R . n . dB . dB . dB . mV or dB (mV) . vpp at . Hz . mV or dB (mV) . dB
27、or ._. pW or mW at . MHz . . Statements and remarks -lass of emission and ;ystem(s) in accordance with CCIR Recommenda- ions - Replacement compo- - External drive - For transposers, fre- quency range for recep- tion ._. nents - Switching time . For SSB transmissions Camer reduction . dB u) For opera
28、tion within the performance specifica- tions b) For operation without intervention of protec- tive devices Audio input, balanced or unbalanced Video input RF input (for transposers) Audio input Video input RF input (for transposers) Audio input* _+ :i video input* _+ r.K input* See relevant section
29、of I EC Publication 244-12-1 * Note Sub-clause 5.10 Method of measurement Clause or Any shable .Method. See also: I 244-5 244-9 - 244- 1 Section Three 244-5 244-9 - - - - - - 244-5 244-9 244-5 244-9 244-2 244-5 Under CI 8 9 - 7.2 8 1.3 6.4 11 12 ideration Under consideration m 3404583 0323585 Yb1 m
30、General characteristics for transmitters and transposers for sound and television Sub-clause of I EC Charactenstic Values Statements and remarks Publication 244- 12- I 5.15 Enwronmental conditions a) Ambient temperature + ._. “C to - _ “C Within performance speci- fications Continuing to function +
31、. “C to - _ “C b) Relative humidity . % Within performance speci- fications Continuing to function Within performance . . . 010 ture and relative - . “C 1 specifications C) Air cooling inlet tempera- + . “C to humidity . 010 + . “C to - . “C . Yo d) Altitude . m Within performance speci- Continuing
32、to function 1 fications 5.16 Primary power supp1.v b) + pole earthed or Type a) D.C. - pole earthed c/ single phase or three phase d) three-wire system or four-wire system + ._. d deviation from - . d rated output i A.C. a) Nominal (line-to-line) + . Yo “.“ - . Oh 5.17 voltage and tolerances power b
33、) Waveform . Yo instantaneous value of the voltage - Instantaneous value of the fundamental c) Voltage unbalance of . Yo for the negative-sequence component for the zero-sequence com- ponent three phase supply . Oh d) Nominal frequency and . Hz + . Hz e) Max a.c. component of . Oh tolerances d.c. su
34、pply - . Hz Power consumption . W or kW For different conditions of 5.18 modulation . 5.19 Power factor 5.20 a) Interference voltages . b) Immunity to transients . we 6 EN 60244-12-2 : 1993 broadcasting Method of measurement I EC Clause or Publication sub-clause - - - - - - - - For definition, see 5
35、.1.2 244- 1 - 244-1 21 244-5 9 244- I 22 244-5 9 - - 3404583 L2358b 3T8 page 7 EN 60244-12-2 : 1993 TABLE I (concluded) General characteristics for transmitters and transposers for sound and television broadcasting Sub-clause of IEC Publication 244-12-1 5.21 5.22 5.23 5.24 Characteristic Safety stan
36、dards Protection against atmo- spheric discharges Interface facilities for super- visory equipment Connectors characteristics Type : Method of measurement Values Statements and remarks According to I EC Publica- tion 215. Otherwise, state details List ofcommands and tech- nical interface indications
37、 Connector manufacturer references including sex and characteristic impedance Publication sub-clause IEC I Under consideration -I m 34045133 01,235137 234 m page 8 EN 60244-12-2 : 1993 TABLE II Performance characteristics for television transmitters Sub-clause of 1 EC Publication 244-12-1 7. I 7.2 7
38、.3 7.4 7.5 7.6 7.7 7.8 7.9 7.10 7.1 I 7.12 7.13 7.14 7.15 7.16 7.17 8.1 8.2 8.3 8.4 Characteristic Amplitudehadio-frequency characteristic Amplitudehidedo-fre- quency characteristic Group-delaylvideo-fre- quency characteristic Luminance bar tilt 2T pulse/bar ratio or 2T pulse/bar ratio error 21 puls
39、e shape distortion Field-time bar tilt Variation of output power Variation of blanking level Luminance non-linearity Differential gain Differential phase Chrominance - luminance crosstalk Incidental phase modula- tion Signal-to-random noise ratio Signal-to-noise ratio for periodic noise Tronsrnitter
40、s with combined ainplijcation of lhe vision and sound channels Intermodulation products - in-band - out-of-band, including other unwanted emis- sions Characteristics of lhe sound section FM sound section AM sound section Crosstalk attenuation between sound channels Cross-modulation vision to sound V
41、alues Table or graph Table or graph Table or graph _. % or K = . % . % or K = _ % Graticule for K - . % . % or K = . % . dB . % . % Max. ._. % Min. ., % . degrees . % . degrees . dB . dB . dB at . MHz . dB at . MHz - - Stereo . dB Any two channels . dB . 96 Statements and remarks Reference frequency
42、 _ MHz Reference frequency . MHz Reference frequency . MHz Split frequency . Hz Test signal E according to: or ITS signai I or V according to : For a I . % variation of input blanking level For . % (peak-to-peak) hum or noise Luminance level varied between _ % and _ % Chrominance peak-to-peak amplit
43、ude . % See 7.1 1 rest signal . See Table IV See Table V Method of measurement I EC Publication 244-58 244-5B 244-5B 244-5 244- 1 O 244- 1 O 244- 1 O 244-5 244-5 244-5 244-5B 244-5B 244-5B 244-5B Under CO 244-5C 244-5C 244-5C Under CO Under CO Clause or sub-clause 28.2.2 29.2.2 30.3.2 24.2a 14.2 16.
44、2 17.1 23.2 17 17 33.1.2 34.1.2 34.2.2 36.4 deration 39.1.3 39.2.2 44 deration deration = 3404583 0323588 170 Sub-clause of IEC Publication 244- 12- 1 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 10.9 10.10 10.11 10.12 10.13 Page 9 EN 60244-12-2 : 1993 TABLE III Performance characteristics for television
45、 transposers Characteristic Automatic gain control range Automatic gain control time constants Internally generated unwanted signals at the input Ampli tudehadio-frequency characteristic Group-delayradio-fre- quency characteristic Noise figure Intermodulation products (in-band) Intermodulation produ
46、cts (out-of-band), including other unwanted emissions in the absence of interfering input signals Unwanted emissions in the presence of interfering input signals - in upper adjacent - in lower adjacent - at vision image carrier - at sound image camer - at intermediate Feedback coupling Cross-modulat
47、ion vision to sound Incidental phase modulation Video-frequency perfor- mance characteristics channel channel frequency frequency frequency Values - . dB to + . dB ms Table or graph Table or graph Table or graph Table or graph Table Table . dB . dB . dB . dB . dB _ dB . Yo . degrees - - Statements a
48、nd remarks For a change in output level of +1 dB and -1 dB For 6 dB increase For 6 dB decrease Reference freauencv of inpiit levei . MHz Visjon c for m = 1 Weighted . dB Unweighted . dB . degrees . Yo Table or graph Statements and remarks Time limitations Reference frequency . Hz Lower frequency f2
49、= . Hz Amplitdde ratio = . RMS/quasi-peak voltage relative to m = I at 1 kH; Form = 1 Form = I at 1 kHz Details of the modulating signal Method of measurement I EC Publication - 244-3 244-4 244-4 244-4A 244-3B 244-3B 244-3 244-2 244-2B Clause or sub-clause 13 8.5 12.4 13.4 13.5 21.2.2 23.3 b) 15.3 8 3404583 OL2357L 7b5 wlge 12 EN 60244-12-2 1993 TABLE VI Performance characteristics for transposers for FM sound broadcasting Sub-clause of I EC Publication 244- 12- 1 17.1 17.2 17.3 17.4 17.5 17.6 17.7 17.8 17.9 17.10 17.1 1 17.12 Ch
