Household high-fidelity audio equipment and systems - Methods of measuring and specifying the performance - Part 2: FM radio tuners

Applies to household high-fidelity radio tuner units with facilities for reception of frequency modulation sound broadcasts with a rated maximum system deviation of ±75 kHz, using the pilot-tone system for sterophonic broadcasting. May be applied to systems using a rated maximum system deviation of ±50 kHz by decreasing all the stated deviations in proportion.

Hi-Fi-Geräte und -Anlagen für den Heimgebrauch - Verfahren zur Messung und Angabe der Leistungskennwerte - Teil 2: FM-Rundfunk-Empfangsteile

Equipements et systèmes audio grand public haute fidélité - Méthodes pour mesurer et spécifier les performances - Partie 2: Récepteurs radio FM

S'applique aux récepteurs radio haute fidélité pour usage grand public pouvant recevoir des émissions de radiodiffusion à modulation de fréquence, ayant une excursion nominale maximale de ±75 kHz et utilisant un système pilote destiné à la radiodiffusion stéréophonique. Peut s'appliquer aux systèmes utilisant une excursion nominale de ±50 kHz si l'on diminue toutes les excursions définies dans la même proportion.

Household high-fidelity audio equipment and systems - Methods of measuring and specifying the performance -- Part 2: FM radio tuners (IEC 61305-2:1997)

General Information

Status
Published
Publication Date
11-Feb-1998
Current Stage
6060 - Document made available
Due Date
12-Feb-1998
Completion Date
12-Feb-1998

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SLOVENSKI STANDARD
SIST EN 61305-2:1999
01-april-1999
Household high-fidelity audio equipment and systems - Methods of measuring and
specifying the performance -- Part 2: FM radio tuners (IEC 61305-2:1997)
Household high-fidelity audio equipment and systems - Methods of measuring and
specifying the performance -- Part 2: FM radio tuners

Hi-Fi-Geräte und -Anlagen für den Heimgebrauch - Verfahren zur Messung und Angabe

der Leistungskennwerte -- Teil 2: FM-Rundfunk-Empfangsteile

Equipements et systèmes audio grand public haute fidélité - Méthodes pour mesurer et

spécifier les performances -- Partie 2: Récepteurs radio FM
Ta slovenski standard je istoveten z: EN 61305-2:1998
ICS:
33.160.30 Avdio sistemi Audio systems
SIST EN 61305-2:1999 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
NORME
CEI
INTERNATIONALE
IEC
61305-2
INTERNATIONAL
Première édition
STANDARD
First edition
1997-11
Equipements et systèmes audio grand public
haute fidélité – Méthodes pour mesurer et
spécifier les performances –
Partie 2:
Récepteurs radio FM
Household high-fidelity audio equipment
and systems – Methods of measuring and
specifying the performance –
Part 2:
FM radio tuners
 IEC 1997 Droits de reproduction réservés  Copyright - all rights reserved

Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in

utilisée sous quelque forme que ce soit et par aucun any form or by any means, electronic or mechanical,

procédé, électronique ou mécanique, y compris la photo- including photocopying and microfilm, without permission in

copie et les microfilms, sans l'accord écrit de l'éditeur. writing from the publisher.

International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http: //www.iec.ch
CODE PRIX
Commission Electrotechnique Internationale
PRICE CODE
International Electrotechnical Commission
Pour prix, voir catalogue en vigueur
For price, see current catalogue
---------------------- Page: 2 ----------------------
61305-2  IEC:1997 – 3 –
CONTENTS
Page

FOREWORD ................................................................................................................... 5

Clause

1 General.................................................................................................................... 7

1.1 Scope................................................................................................................. 7

1.2 Normative references.......................................................................................... 7

1.3 Conditions for measurement ............................................................................... 9

1.3.1 Electrical conditions................................................................................ 9

1.3.2 Climatic conditions................................................................................. 9

1.4 Reference audio-frequency output level............................................................... 9

2 Methods of measurement ......................................................................................... 9

3 Contents of specifications......................................................................................... 15

Table 1 – Pre-emphasis characteristics ........................................................................... 17

---------------------- Page: 3 ----------------------
61305-2  IEC:1997 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
___________
HOUSEHOLD HIGH-FIDELITY AUDIO EQUIPMENT AND SYSTEMS –
METHODS OF MEASURING AND SPECIFYING THE PERFORMANCE –
Part 2: FM radio tuners
FOREWORD

1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote

international co-operation on all questions concerning standardization in the electrical and electronic fields. To

this end and in addition to other activities, the IEC publishes International Standards. Their preparation is

entrusted to technical committees; any IEC National Committee interested in the subject dealt with may

participate in this preparatory work. International, governmental and non-governmental organizations liaising

with the IEC also participate in this preparation. The IEC collaborates closely with the International Organization

for Standardization (ISO) in accordance with conditions determined by agreement between the two

organizations.

2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an

international consensus of opinion on the relevant subjects since each technical committee has representation

from all interested National Committees.

3) The documents produced have the form of recommendations for international use and are published in the form

of standards, technical reports or guides and they are accepted by the National Committees in that sense.

4) In order to promote international unification, IEC National Committees undertake to apply IEC International

Standards transparently to the maximum extent possible in their national and regional standards. Any

divergence between the IEC Standard and the corresponding national or regional standard shall be clearly

indicated in the latter.

5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any

equipment declared to be in conformity with one of its standards.

6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject

of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.

International Standard 61305-2 has been prepared by subcommittee 100C: Audio, video and

multimedia subsystems and equipment, of IEC technical committee 100: Audio, video and

multimedia systems and equipment.
The text of this standard is based on the following documents:
FDIS Report on voting
100C/140/FDIS 100C/192/RVD

Full information on the voting for the approval of this standard can be found in the report on

voting indicated in the above table.

IEC 61305 consists of the following parts, under the general title: Household high-fidelity audio

equipment and systems – Methods of measuring and specifying the performance:
– Part 1: General
– Part 2: FM radio tuners
– Part 3: Amplifiers
---------------------- Page: 4 ----------------------
61305-2  IEC:1997 – 7 –
HOUSEHOLD HIGH-FIDELITY AUDIO EQUIPMENT AND SYSTEMS –
METHODS OF MEASURING AND SPECIFYING THE PERFORMANCE –
Part 2: FM radio tuners
1 General
1.1 Scope

This part of IEC 61305 applies to household high-fidelity radio tuner units with facilities for

reception of frequency modulation sound broadcasts with a rated maximum system deviation of

±75 kHz, using the pilot-tone system for stereophonic broadcasting (see ITU-R BS.450-2). It

may be applied to systems using a rated maximum system deviation of ±50 kHz by decreasing

all the stated deviations in proportion. It also applies, except where stated, to equipment having

multiple functions, including these facilities. It is intended to be read in conjunction with part 1

of this standard.
1.2 Normative references

The following normative documents contain provisions which, through reference in this text,

constitute provisions of this part of IEC 61305. At the time of publication, the editions indicated

were valid. All normative documents are subject to revision, and parties to agreements based

on this part of IEC 61305 are encouraged to investigate the possibility of applying the most

recent editions of the normative documents indicated below. Members of IEC and ISO maintain

registers of currently valid International Standards.

IEC 60315-1:1988, Methods of measurement on radio receivers for various classes of emission

– Part 1: General considerations and methods of measurement, including audio-frequency

measurements

IEC 60315-4:, Methods of measurement on radio receivers for various classes of emission –

Part 4: Receivers for frequency-modulated sound broadcasting emissions
ITU-R BS.412-7:1995, Planning standards for FM sound broadcasting at VHF
ITU-R BS.450-2:1995, Transmission standards for FM sound broadcasting at VHF

ITU-R BS.641:1986, Determination of radio-frequency protection ratios for frequency

modulated sound broadcasting

ITU-R BS.704:1990, Characteristics of FM sound broadcasting reference receivers for planning

purposes
___________
To be published.
---------------------- Page: 5 ----------------------
61305-2  IEC:1997 – 9 –
1.3 Conditions for measurement
1.3.1 Electrical conditions

Except where stated, the electrical conditions shall be those specified in IEC 60315-1 and

IEC 60315-4, and measurements shall be made at a radio-frequency input level of 70 dB (fW),

equivalent to an e.m.f. source of 1,7 mV in a 75 Ω system. Measurements of output shall be

made at the main output terminals of the equipment, and the terminals used shall be stated

with the results. If an output level control is provided (other than as a factory preset), it shall be

set at a fixed position, stated with the results, within the range of settings to be expected in

use.
1.3.2 Climatic conditions
See 2.2 of part 1.
1.4 Reference audio-frequency output level

Except where stated, the 0 dB reference level for all a.f. output voltage measurements

expressed in decibels shall be the a.f. output voltage produced by an r.f. input signal level of

70 dB (fW), modulated at 1 kHz with ±67,5 kHz deviation; for a stereo signal the channels are

modulated in phase.
2 Methods of measurement
CHARACTERISTIC TO BE SPECIFIED ME
...

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