BS 905-2:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Sound and television broadcast receivers and associated equipment: electromagnetic compatibility Specification for immunity from radio interference of broadcast receivers and associated equipment
Hardcopy , PDF
15-11-1995
English
28-02-1991
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 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.