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IEC CISPR 20

Sound and television broadcast receivers and associated equipment – Immunity characteristics – Limits and methods of measurement

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Organization: IEC
Publication Date: 1 February 2005
Status: inactive
Page Count: 180
ICS Code (Immunity): 33.100.20
scope:

This standard for immunity requirements applies to television broadcast receivers, sound broadcast receivers and associated equipment intended for use in the residential, commercial and light industrial environment.

This standard describes the methods of measurement and specified limits applicable to sound and television receivers and to associated equipment with regard to their immunity characteristics to disturbing signals.

This standard is also applicable to the immunity of outdoor units of direct to home (DTH) satellite receiving systems for individual reception.

NOTE 1 Receiving systems for collective reception, in particular cable distribution head ends (Community Antenna Television, CATV) and community reception systems (Master Antenna Television, MATV) are covered by IEC 60728-2.

NOTE 2 Broadcast receivers for digital signals are covered by Annex I and Annex J.

Immunity requirements are given in the frequency range 0 Hz to 400 GHz. Radio-frequency tests outside the specified frequency bands or concerning other phenomena than given in this standard are not required.

The objective of this standard is to define the immunity test requirements for equipment defined in the scope in relation to continuous and transient, conducted and radiated disturbances including electrostatic discharges.

These test requirements represent essential electromagnetic immunity requirements.

Test requirements are specified for each port (enclosure or connector) considered.

NOTE 3 This standard does not specify electrical safety requirements for equipment such as protection against electric shocks, unsafe operation, insulation co-ordination and related dielectric tests.

NOTE 4 In special cases, situations will arise where the level of disturbances may exceed the levels specified in this standard e.g. where a hand-held transmitter is used in proximity to an equipment. In these instances special mitigation measures may have to be employed.

The environments encompassed by this standard are residential, commercial and lightindustrial locations, both indoor and outdoor. The following list, although not comprehensive, gives an indication of locations which are included:

- residential properties, e.g. houses, apartments, etc.;

- retail outlets, e.g. shops, supermarkets, etc.;

- business premises, e.g. offices, banks, etc.;

- areas of public entertainment, e.g. cinemas, public bars, dance halls, etc.;

- outdoor locations, e.g. petrol stations, car parks, amusement and sports centres, etc.;

- light-industrial locations e.g. workshops, laboratories, service centres, etc.;

- car and boat.

Locations which are characterized by their mains power being supplied directly at low voltage from the public mains are considered to be residential, commercial or light industrial.

Document History

October 1, 2013
Sound and television broadcast receivers and associated equipment – Immunity characteristics – Limits and methods of measurement
Scope and object This standard for immunity requirements applies to television broadcast receivers, sound broadcast receivers and associated equipment intended for use in the residential, commercial...
October 1, 2013
AMENDMENT 1 Sound and television broadcast receivers and associated equipment – Immunity characteristics – Limits and methods of measurement
A description is not available for this item.
November 1, 2006
Sound and television broadcast receivers and associated equipment – Immunity characteristics – Limits and methods of measurement
Scope and object This standard for immunity requirements applies to television broadcast receivers, sound broadcast receivers and associated equipment intended for use in the residential, commercial...
IEC CISPR 20
February 1, 2005
Sound and television broadcast receivers and associated equipment – Immunity characteristics – Limits and methods of measurement
This standard for immunity requirements applies to television broadcast receivers, sound broadcast receivers and associated equipment intended for use in the residential, commercial and light...
February 1, 2002
Sound and Television Broadcast Receivers and Associated Equipment - Immunity Characteristics - Limits and Methods of Measurement
A description is not available for this item.
February 1, 2002
Sound and Television Broadcast Receivers and Associated Equipment - Immunity Characteristics - Limits and Methods of Measurement
A description is not available for this item.
February 1, 2002
Sound and Television Broadcast Receivers and Associated Equipment - Immunity Characteristics - Limits and Methods of Measurement
A description is not available for this item.
June 1, 1999
Sound and Television Broadcast Receivers and Associated Equipment - Immunity Characteristics - Limits and Methods of Measurement
A description is not available for this item.
August 1, 1998
Sound and Television Broadcast Receivers and Associated Equipment - Immunity Characteristics - Limits and Methods of Measurement
A description is not available for this item.
February 1, 1996
Limits and Methods of Measurement of Immunity Characteristics of Sound and Television Broadcast Receivers and Associated Equipment
A description is not available for this item.
February 1, 1996
Limits and Methods of Measurement of Immunity Characteristics of Sound and Television Broadcast Receivers and Associated Equipment
A description is not available for this item.
January 1, 1996
Limits and Methods of Measurement of Immunity Characteristics of Sound and Television Broadcast Receivers and Associated Equipment; (AS/NZS 3951.10: 1994)
A description is not available for this item.
December 1, 1994
Amendment 3 Limits and methods of measurement of immunity characteristics of sound and television broadcast receivers and associated equipment
This publication is applicable to the immunity of sound and television broadcast receivers and associated equipment to ambient electromagentic fields, induced currents and voltages. The frequency...
June 1, 1993
Amendment 2 Limits and methods of measurement of immunity characteristics of sound and television broadcast receivers and associated equipment
This publication is applicable to the immunity of sound and television broadcast receivers and associated equipment to ambient electromagentic fields, induced currents and voltages. The frequency...
December 1, 1990
Amendment 1 Limits and methods of measurement of immunity characteristics of sound and television broadcast receivers and associated equipment
This publication is applicable to the immunity of sound and television broadcast receivers and associated equipment to ambient electromagentic fields, induced currents and voltages. The frequency...
June 1, 1990
Limits and methods of measurement of immunity characteristics of sound and television broadcast receivers and associated equipment
This publication is applicable to the immunity of sound and television broadcast receivers and associated equipment to ambient electromagentic fields, induced currents and voltages. The frequency...
January 1, 1985
Measurement of the immunity of sound and television broadcast receivers and associated equipment in the frequency range 1.5 MHz to 30 MHz by the current-injection method Guidance on immunity requirements for the reduction of interference caused by radio transmitters in the frequency range 26 MHz to 30 MHz
Introduction In many countries an acute problem has arisen resulting from interference to television receivers, radio receivers and associated equipment caused by the increased use of radio...

References

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