BS-EN-60244-11-1993 IEC-60244-11-1989.pdf
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1、BRITISH STANDARD BS EN 60244-11:1993 IEC 244-11: 1989 Methods of measurement for radio transmitters Part 11: Transposers for FM sound broadcasting The European Standard EN 60244-11:1993 has the status of a British Standard UDC 621.396.7:621.317.3.08 Licensed Copy: sheffieldun sheffieldun, na, Sat No
2、v 11 09:10:32 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60244-11:1993 This British Standard, having been prepared 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 October 1993 BSI 0
3、2-2000 The following BSI references relate to the work on this standard: Committee reference EEL/25 Special announcement in BSI News September 1993 ISBN 0 580 22572 0 Cooperating organizations The European Committee for Electrotechnical Standardization (CENELEC), under whose supervision this Europea
4、n Standard was prepared, comprises the national committees of the following countries: AustriaItaly BelgiumLuxembourg DenmarkNetherlands FinlandNorway FrancePortugal GermanySpain GreeceSweden IcelandSwitzerland IrelandUnited Kingdom Amendments issued since publication Amd. No.DateComments Licensed C
5、opy: sheffieldun sheffieldun, na, Sat Nov 11 09:10:32 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60244-11:1993 BSI 02-2000i Contents Page Cooperating organizationsInside front cover National forewordii Foreword2 Text of EN 60244-113 National annex NA (informative) Committees responsibleInside
6、back cover Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:10:32 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60244-11:1993 ii BSI 02-2000 National foreword This British Standard has been prepared under the direction of the Electronic Equipment Standards Policy Committee and is the Eng
7、lish language version of EN 60244-11:1993 Methods of measurement for radio transmitters. Part 11: Transposers for FM sound broadcasting, published by the European Committee for Electrotechnical Standardization (CENELEC). It is identical to IEC 244-11:1989, published by the International Electrotechn
8、ical Commission (IEC) and is part of a multi-part series describing recommended methods of measurement for assessing the performance of radio transmitters. This Part of BS EN 60244 incorporates in a single publication all recommended measurements for FM sound broadcasting transposers. This standard
9、is intended to be used in conjunction with EN 60244-11). It is anticipated that the other Parts of IEC Publication 244 will be published as identical British Standards, subject to their harmonization by CENELEC. For ease of reproduction French captions have been retained on the figures. A British St
10、andard 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 This document comprises a front cove
11、r, an inside front cover, pages i and ii, the EN title page, pages 2 to 18, 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 front cover. 1) In preparation.
12、 It is envisaged that an identical British Standard, designated BS EN 60244-1 will be published in due course. Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:10:32 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60244-11 April 1993 UDC 621.3
13、96.7:621.317.3.08Supersedes HD 236.11 S1:1990 Descriptors: Radio equipment, sound broadcasting, transmitter, transposer, frequency modulation, measurement, characteristic English version Methods of measurement for radio transmitters Part 11: Transposers for FM sound broadcasting (IEC 244-11:1989) Mt
14、hodes de mesure applicables aux metteurs radiolectriques Onzime partie: Rmetteurs pour la radiodiffusion sonore modulation de frquence (CEI 244-11:1989) Meverfahren fr Funksender Teil 11: Umsetzer fr FM-Tonrundfunk (IEC 244-11:1989) This European Standard was approved by CENELEC on 1993-03-09. CENEL
15、EC 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 references concerning such national standards may be obtained on ap
16、plication 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 CENELEC member into its own language and notified to the Central Secret
17、ariat 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, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC
18、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 to CENELEC members Ref. No. EN 60244-11:1993 E Licensed Copy: shef
19、fieldun sheffieldun, na, Sat Nov 11 09:10:32 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60244-11:1993 2 BSI 02-2000 Foreword At the request of 72nd Technical Board, HD 236.11 S1:1990 (IEC 244-11:1989) was submitted to the CENELEC voting procedure for conversion into a European Standard. The text
20、of the International Standard was approved by CENELEC as EN 60244-11 on 9 March 1993. 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 Foreword2 Introduction3 1Scope3 2Object3 Section 1. Genera
21、l conditions of operation and measurement 3Definition3 4Input and output signal arrangement4 5General conditions regarding input signal source and test load4 6Terms and definitions for input and output signals4 7General conditions of operation5 Section 2. Input and output levels and general transpos
22、er characteristics 8Input impedance mismatch5 9Adjustment and measurement of input levels5 10Automatic gain control5 11Adjustment and measurement of output power6 12Frequency6 13Internally generated unwanted signals at the transposer input7 Section 3. Transmission performance characteristics 14Ampli
23、tude/baseband-frequency characteristic7 Page 15Audio-frequency harmonic distortion7 16Harmonic distortion in the coded channels of a stereophonic service8 17Crosstalk attenuation (stereophonic separation)8 18Linear and non-linear crosstalk between A and B channels9 19Baseband-frequency intermodulati
24、on9 20Transmission performance for supplementary services (under consideration)10 Section 4. Unwanted modulation and spurious emissions 21Introduction10 22Unwanted frequency modulation10 23Unwanted amplitude modulation11 24Unwanted modulation in the presence of an interfering input signal12 25Unwant
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