M00042025
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ELECTROMAGNETIC COMPATIBILITY AND RADIO SPECTRUM MATTERS (ERM); STUDY ON 27 MHZ CB RADIO COMPATIBILITY WITH ANALOGUE TELEVISION BROADCAST RECEIVER INSTALLATION
European Telecommunications Standards Institute
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Availability date: 11/06/2021
Intellectual Property Rights
Foreword
Introduction
1 Scope
2 References
3 Definitions, symbols and abbreviations
3.1 Definitions
3.2 Symbols
3.3 Abbreviations
4 Calibration of a CB antenna for reference use
4.1 CB antenna to calibration purpose for reference use
4.2 Antenna calibration method
4.3 Results
4.4 Comments
5 Test on different parts of TV-FM radio installations
5.1 Gain at 27 MHz of TV and FM radio reception
antennas
5.2 27 MHz RF level delivered by the TV antenna
5.3 Induced RF 27 MHz on the TV antenna cable
5.4 Immunity of TV and FM radio antenna amplifiers
to 27 MHz
5.5 TV sets immunity test with a 27 MHz signal
by conduction
6 Complete TV installation illuminated by a 27 MHz
field
6.1 Test in free field measurements site
6.2 Test on real conditions in a residence site
6.3 Immunity synthesis of 20 complete TV
installations
6.4 Comments
7 Conclusions
History
Studies CB usage in different scenarios (different modulation modes and different RF output power). The study should asses CB compatibility (e.g. interference) with other telecommunication services (telephone, TV, etc.) in those different scenarios, by the use of EMC and radio spectrum measurements (methods widely accepted) and to co-ordinate with ERC and CENELEC. The study shall be based on actual up-to-date measurements data, as well as software simulation methods.
Published | |
Document Type | Standard |
Status | Current |
Publisher | European Telecommunications Standards Institute |
Pages | |
ISBN | |
Committee | ERM TG8 |