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AS/NZS 3548:1995

AS/NZS 3548:1995

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Limits and methods of measurement of radio disturbance characteristics of information technology equipment

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

06-30-2017

Published date

12-05-1995

Publisher

Standards Australia

Preview

1 - AS/NZS 3548:1995 LIMITS AND METHODS OF MEASUREMENT OF RADIO DISTURBANCE CHARACTERISTICS OF INFORMATION TECHNOLOGY EQUIPMENT
4 - PREFACE
6 - CONTENTS
7 - INTRODUCTION
8 - 1 Scope and object
8 - 2 Normative references
9 - 3 Definitions
9 - 3.1 Information Technology Equipment (ITE)
9 - 3.2 equipment under test (EUT)
9 - 3.3 host unit
9 - 3.4 module
9 - 3.5 identical modules and ITE
9 - 4 Classification of ITE
9 - 4.1 Class B ITE
10 - 4.2 Class A ITE
10 - 5 Limits for conducted disturbance
10 - 5.1 Limits for conducted disturbance at mains ports
11 - 5.2 Limits for conducted disturbance at telecommunication ports
11 - 6 Limits for radiated disturbance
12 - 7 Limits for disturbance power
12 - 8 Interpretation of CISPR radio disturbance limit
12 - 8.1 Significance of a CISPR limit
12 - 8.2 Application of limits in ests for conformity of equipment in series production
13 - 9 General measurement conditions
14 - 9.1 EUT configuration
16 - 9.1.1 Determination of maximum emission configuration(s)
17 - 9.1.2 EUTconfiguration with ground-plane
17 - 9.2 Operation of the equipment under test (EUT)
17 - 9.2.1 Operation of visual display units
17 - 9.2.2 Operation of facsimile devices
18 - 9.2.3 Operation of telephone sets
18 - 10 Method of measurement of conducted disturbance at mains ports
18 - 10.1 Measuring receivers
18 - 10.2 Artificial Mains Network (AMN)
20 - 10.3 Ground-plane
20 - 10.4 Equipment set-up for conducted disturbance measurements
20 - 10.5 Recording of conducted disturbance measurements
20 - 11 Method of measurement of radiated disturbance
21 - 11.1 Measuring receivers
21 - 11.2 Antenna
21 - 11.2.1 Antenna-to-EUT distance
21 - 11.2.2 Antenna-to-ground distance
22 - 11.2.3 Antenna-to-EUT azimuth
22 - 11.2.4 Antenna-to-EUTpolarization
22 - 11.3 Measurement site for radiated disturbance measurements
22 - 11.3.1 General
22 - 11.3.2 Site attenuation measurements
22 - 11.3.3 Open-area test site
22 - 11.3.4 Conducting ground-plane
22 - 11.3.5 Alternative test sites
23 - 11.3.6 User installation testing
23 - 11.4 Equipment set up for radiated disturbance tests
23 - 11.5 Recording of radiated disturbance measurements
23 - 11.6 Measurement in the presence of high ambient signals
24 - 12 Measurement of disturbance power
37 - Annex A - Site attenuation measurements of alternative test sites
37 - A.1 Method of measurement of site attenuation
37 - A.1.1 Vertical polarization
38 - A.1.2 Horizontal polarization
42 - A.2 References

Specifies limits of electromagnetic emissions in the frequency range 9 kHz to 400 GHz from information technology equipment and provides methods for the measurement of those emissions. It is one of a series of Standards specifying limits and measurement techniques to control electromagnetic interference. It is identical with has been reproduced from IEC/CISPR 22:1993.

This standard applies to ITE as defined in 3.1.Procedures are given for the measurement of the levels of spurious signals generated by the ITE and limits are specified for the frequency range 9 kHz to 400 GHz for both Class A and Class B equipment. No measurements need be performed at frequencies where no limits are specified.The intention of this standard is to establish uniform requirements for the radio disturbance level of the equipment contained in the scope, to fix limits of disturbance, to describe methods of measurement and to standardize operating conditions and interpretation of results.

Committee
TE-003
DocumentType
Standard
ISBN
0 7337 0112 4
Pages
35
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
CISPR 22:2005+AMD1:2005+AMD2:2006 CSV Similar to
CISPR 22:1993 Identical

Amendment 1 to AS/NZS 3548:1995 see DR 96265. Amendment 2 to AS/NZS 3548:1995 see DR 96551. Under Revision see DR 00312 CP First published in Australia as AS 3548-1988.Jointly revised and designated AS/NZS 3548:1992.Third edition 1995. First published in Australia as AS 3548-1988. Jointly revised and designated AS/NZS 3548:1992. Third edition 1995.

AS 3112-1990 Approval and test specification - Plugs and socket-outlets
AS/NZS 2064:1997 Limits and methods of measurement of electromagnetic disturbance characteristics of industrial, scientific and medical (ISM) radiofrequency equipment
AS/NZS 1052.1:1995 Specification for radio disturbance and immunity measuring apparatus and methods Radio disturbance and immunity measuring apparatus

AS 4542.1-1999 Consumer television interfaces PAL RF (Reconfirmed 2016)
AS/NZS 3080:1996 Telecommunications installations - Integrated telecommunications cabling systems for commercial premises
AS 4428.0-1997 Fire detection, warning, control and intercom systems Control and indicating equipment - General requirements and test methods (Reconfirmed 2016)
AS/NZS 4280:1995 406 MHz satellite distress beacons
AS/NZS 3749.1:1997 Intruder alarm systems - Road vehicles - Performance requirements
AS/NZS 3947.1:1998 Low-voltage switchgear and controlgear General rules
AS/NZS 4280.2:2002 406 MHz satellite distress beacons - Personal locator beacons (PLBs)
AS/NZS 61000.6.2:2002 Electromagnetic compatibility (EMC) Generic standards - Immunity for industrial environments
AS/NZS 4252.1:1994 Electromagnetic compatibility - Generic immunity standard - Residential, commercial and light industry
AS/NZS 4330:1995 121.5 and 243.0 MHz emergency position indicating radio beacons (EPIRBs) including personal EPIRBs
AS/NZS 4251.1:1999 Electromagnetic compatibility (EMC) - Generic emission standard Residential, commercial and light industry
AS 3947.4.2-1997 Low-voltage switchgear and controlgear Contractors and motor starters - A.C. semiconductor motor controllers and starters
AS/NZS 4330:2000 121.5 and 243.0 MHz emergency position indicating radio beacons (EPIRBs) including personal EPIRBs
AS/NZS 1052:1992 CISPR specification for radio interference measuring apparatus and measurement methods
AS 4080-1995 User terminals for accessing the mobilesat satellite communications system
AS/NZS 3080:2000 Telecommunications installations - Integrated telecommunications cabling systems for commercial premises (ISO/IEC 11801:2000, MOD)
AS/NZS 4251.1:1994 Electromagnetic compatibility - Generic emission standard Residential, commercial and light industry
AS/NZS 4281:1995 Radiocommunications requirements for cordless telephones operating in the 1.7 MHz and between 30 and 41 MHz frequency bands
AS/NZS 3947.1:2001 Low-voltage switchgear and controlgear General rules

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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