EN 61079-5:1993

Methods of measurement on receivers for satellite broadcast transmissions in the 12 GHz band - Part 5: Electrical measurements on decoder units for MAC/Packet systems

Defines the conditions and methods of measurement to be applied to MAC/packet decoder units.

Meßverfahren für Empfänger für Satelliten-Rundfunkübertragung im 12-GHz-Bereich - Teil 5: Elektrische Messungen an Dekodern für MAC/Paket-Systeme

Méthodes de mesure sur les récepteurs d'émissions de radiodiffusion par satellite dans la bande de 12 GHz - Partie 5: Mesures électriques sur les décodeurs pour les systèmes MAC/Paquet

S'applique aux décodeurs pour les systèmes MAC/paquet. Définit les conditions et les méthodes de mesure à appliquer à ces décodeurs.

Methods of measurement on receivers for satellite broadcast transmissions in the 12 GHz band -- Part 5: Electrical measurements on decoder units for MAC/Packet systems (IEC 61079-5:1993)

General Information

• Status: Published
• Publication Date: 21-Sep-1993
• Withdrawal Date: 30-Jun-1994
• ICS: 33.060.20 - Receiving and transmitting equipment
• Technical Committee: CLC/TC 100X - Audio, video and multimedia systems and equipment and related sub-systems
• Drafting Committee: IEC/TC 100 - IEC_TC_100
• Parallel Committee: IEC/TC 100 - IEC_TC_100
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 22-Sep-1993
• Completion Date: 22-Sep-1993
• Ref Project: SIST EN 61079-5:1999 - Methods of measurement on receivers for satellite broadcast transmissions in the 12 GHz band -- Part 5: Electrical measurements on decoder units for MAC/Packet systems

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 61079-5:1999
01-april-1999
Methods of measurement on receivers for satellite broadcast transmissions in the
12 GHz band -- Part 5: Electrical measurements on decoder units for MAC/Packet
systems (IEC 61079-5:1993)
Methods of measurement on receivers for satellite broadcast transmissions in the 12
GHz band -- Part 5: Electrical measurements on decoder units for MAC/Packet systems
Meßverfahren für Empfänger für Satelliten-Rundfunkübertragung im 12-GHz-Bereich --
Teil 5: Elektrische Messungen an Dekodern für MAC/Paket-Systeme
Méthodes de mesure sur les récepteurs d'émissions de radiodiffusion par satellite dans
la bande de 12 GHz -- Partie 5: Mesures électriques sur les décodeurs pour les
systèmes MAC/Paquet
Ta slovenski standard je istoveten z: EN 61079-5:1993
ICS:
33.060.20 Sprejemna in oddajna Receiving and transmitting
oprema equipment
SIST EN 61079-5:1999 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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NORME CEI
INTERNATIONALE IEC
61079-5
INTERNATIONAL
Première édition
STANDARD
First edition
1993-07
Méthodes de mesure sur les récepteurs
d'émissions de radiodiffusion par satellite
dans la bande 12 GHz
Partie 5:
Mesures électriques sur les décodeurs pour
les systèmes MAC/paquet
Methods of measurement on receivers for
satellite broadcast transmissions in
the 12 GHz band
Part 5:
Electrical measurements on decoder units
for MAC/packet
systems
© IEC 1993 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: [phone] e-mail: [e-mail] IEC web site http: //www.iec.ch
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Pour prix, voir catalogue en vigueur
• • For price, see current catalogue

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1079-5 ©I EC – 3 –
CONTENTS
Page
FOREWORD 7
Clause
SECTION 1: GENERAL
1.1 Scope and object 11
1.2 Normative references 11
SECTION 2: GENERAL EXPLANATION OF TERMS
2.1 MAC/packet decoder unit 13
SECTION 3: GENERAL NOTES ON MEASUREMENTS
3.1 General conditions 15
3.2 Setting of the decoder 15
3.3 Video, audio and digital test signals 17
3.4 Reference signals 21
3.5 Standard measuring conditions 21
3.6 Measuring instruments 21
SECTION 4: VIDEO SIGNAL MEASUREMENTS
4.1 Video signal distortion 25
4.1.1 Amplitude versus frequency response 25
4.1.2 Group delay characteristics 27
4.1.3 Automatic amplitude and phase measurements within the video band 27
4.1.4 Pulse response 31
4.1.5 Bar signal response 33
4.1.6 Low-frequency distortion 35
4.1.7 Linearity 35
4.1.8 Response to a ramp signal in the case of scrambled/descrambled
signals 39
4.2 Unwanted signals 39
4.2.1 Signal-to-noise in nominal conditions 39
4.2.2 Suppression of energy dispersal signal 41
4.2.3 Spectrum aliasing 43

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1079-5 ©I EC – 5
Clause Page
4.3 Time domain demultiplexing 45
4.3.1 Accuracy of colour decoding 45
4.3.2 Delay between luminance and chrominance
channels 45
4.3.3 Relative delays of R,G,B signals 47
4.4 Noise sensitivity 49
4.4.1 Video output signal-to-noise ratio versus input signal-to-noise ratio 49
4.4.2 Clamp efficiency in the presence of noise 51
4.5 Conformity of composite synchronization signal 53
4.6 Miscellaneous video measurements 55
SECTION 5: DATA RECOVERY
5.1 Clock recovery in the presence of noise 55
5.2 Bit error rate due to random noise 57
5.3 Audio-click perceptibility in the presence of noise 57
SECTION 6: AUDIO MEASUREMENTS
6.1 Audio-frequency characteristics 59
6.2 Harmonic distortion of audio channels 61
6.3 Dynamic range of audio channels 63
6.4 Audio crosstalk 63
6.5 Phase difference between left and right channels 65
6.6 Audio signal-to-noise ratio 67
Figures 69
Annexes
A Analytical description 135
B Bibliography 149

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1079-5©IEC – 7 --
INTERNATIONAL ELECTROTECHNICAL COMMISSION
METHODS OF MEASUREMENT ON RECEIVERS FOR
SATELLITE BROADCAST TRANSMISSIONS IN
THE 12 BAND
GHz
Part 5: Electrical measurements on decoder units for
MAC/packet systems
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization
comprising all national electrotechn
...