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BS 905-2:1991

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Sound and television broadcast receivers and associated equipment: electromagnetic compatibility Specification for immunity from radio interference of broadcast receivers and associated equipment

Available format(s)

Hardcopy , PDF

Superseded date

15-11-1995

Language(s)

English

Published date

28-02-1991

€306.17
Excluding VAT

Brief history
Technical text
Foreword
References
1 Scope
2 Definitions
3 Limits of immunity
4 Input immunity requirements
4.1 Limits of input immunity of the VHF band II part
        of sound receivers
4.2 Limits of input immunity of television receivers
4.3 Limits of input immunity of associated equipment
5 Requirements for immunity from conducted
        voltages
5.1 Limits of immunity from conducted voltages of
        mains supply terminal and loudspeaker and
        headphone terminals
5.2 Limits of immunity from conducted voltages of
        audio input and output terminals (except
        loudspeaker and headphone terminals)
5.3 Exceptions to the limits
5.4 Limits of immunity from conducted voltages of
        associated equipment
6 Requirements for immunity from conducted
        currents
6.1 Limits of immunity from conducted currents of
        antenna terminals
6.2 Limits of immunity from conducted currents of
        associated equipment
7 Requirements for immunity from radiated fields
7.1 Limits of immunity from radiated fields of audio
        functions
7.2 Limits of immunity from radiated fields of VHF
        band II sound broadcast reception function
7.3 Limits of immunity from radiated fields of
        television broadcast reception function
8 Requirements for screening effectiveness
8.1 Limits of screening effectiveness
9 Test criteria and general measurement procedures
9.1 Criterion of sound interference
9.1.1 Measurement procedure
9.1.2 Audio power-output measurement
9.2 Criterion of picture interference
9.3.1 Measurement procedure
10 Method of measurement of input immunity
10.1 Measurement of sound receivers
10.1.1 Measuring set-up
10.1.2 Measurement with unwanted signals outside the
        VHF band II range
10.1.3 Measurement with unwanted signals inside the
        VHF band II range
10.2 Measurement of television receivers
10.2.1 Measuring set-up
10.2.2 Measuring procedure
11 Method of measurement of immunity from conducted
        voltages
11.1 Measuring circuit and set-up
11.2 Measurement of loudspeaker, headphone, or mains
        terminals
11.3 Measurement of audio input and output terminals
        (except loudspeaker and headphone terminals)
11.4 Measurement procedure
12 Method of measurement of immunity from conducted
        currents
12.1 Coupling units
12.2 Measurement set-up
12.3 Measurement circuit
12.4 Measurement procedure
13 Method of measurement of immunity from radiated
        fields
13.1 The open stripline
13.2 Measurement set-up
13.3 Measurement circuit
13.4 Measurement procedure
14 Method of measurement of screening effectiveness
14.1 Measuring set-up
14.2 Measurement procedure
15 Application of limits in tests for conformity of
        appliances in series production
Annexes
A Coupling units and low-pass filter for the
        measurement of immunity from conducted currents
        in the frequency range 0.15 MHz to 150 MHz
B Construction details of the open stripline
C Calibration of the open stripline
D Specification of filters and weighting network

Provides limits and procedures for measurement of immunity.

Committee
GEL/210
DevelopmentNote
Superseded by BS EN 55020 but remains current. Supersedes BS 905-2(1985) (05/2003)
DocumentType
Standard
Pages
48
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

CISPR 22:2008 Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement

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