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BS EN 62634:2015

BS EN 62634:2015

$102.76

Radio data system (RDS). Receiver products and characteristics. Methods of Measurement

Published By Publication Date Number of Pages
BSI 2015 22
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IEC 62634:2015 describes how to measure minimum RDS receiver performance requirements which concern three RDS receiver product categories. However, it should be noted that there are also RDS receiver products on the market that significantly out-perform the minimum RDS receiver performance requirements quoted. This second edition cancels and replaces the first edition published in 2011 and constitutes a technical revision. It includes the following changes: – the 100 kHz test measurement case from Clause 8 of IEC 62634:2011 was deleted as it did not permit to achieve stable and reproducible measurement results; – an error has been corrected. The term “de-emphasis” shall read correctly “pre-emphasis”.

PDF Catalog

PDF Pages PDF Title
6 English
CONTENTS
8 FOREWORD
10 INTRODUCTION
11 1 Scope
2 Normative references
3 Terms, definitions and abbreviations
3.1 Terms and definitions
12 3.2 Abbreviations
4 Measuring method
4.1 Standard measuring signal
13 4.2 RDS data conditions
4.2.1 General
4.2.2 Matching circuit
Figure 1 – Coupling circuit
Figure 2 – Matching circuits for RDS product devices with three different input impedances
14 5 Measurement of the RDS sensitivity
5.1 General
5.2 Method of measurement
5.3 Presentation of the results
6 Measurement of the RDS data acquisition
6.1 General
6.2 Time to synchronise
15 6.3 Time to detect a first PI
6.4 Method of measurement
7 Measurement of the large signal capabilities
7.1 General
7.2 Resistance to high wanted signal levels
7.2.1 Method of measurement
7.2.2 Large wanted signal requirement
7.3 RDS performance at large unwanted signal
7.3.1 Method of measurement
16 7.3.2 Large unwanted signal requirements
8 Measurement of the RDS selectivity
8.1 General
8.2 Method of measurement
Table 1 – Presentation of the measurement result
17 9 Considerations and guidelines for evaluation of the dynamic RDS performance
9.1 General
9.2 RDS dynamic behaviour
18 9.3 Traffic announcements TA/TP
9.3.1 TA message
9.3.2 End of TA message
9.3.3 TP search
9.3.4 TA announcement skip
9.4 Regionalisation
9.4.1 Implementations
19 9.4.2 Requirement
Table 2 – AF example
20 Bibliography

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BS EN 62634:2015
$102.76