NEN EN 55022 : 2011 C1 2011
Current
The latest, up-to-date edition.
INFORMATION TECHNOLOGY EQUIPMENT - RADIO DISTURBANCE CHARACTERISTICS - LIMITS AND METHODS OF MEASUREMENT
12-01-2013
Foreword
Introduction
1 Scope and object
2 Normative references
3 Definitions
4 Classification of ITE
4.1 Class B ITE
4.2 Class A ITE
5 Limits for conducted disturbance at mains terminals
and telecommunication ports
5.1 Limits of mains terminal disturbance voltage
5.2 Limits of conducted common mode (asymmetric
mode) disturbance at telecommunication ports
6 Limits of radiated disturbance
7 Interpretation of CISPR radio disturbance limit
7.1 Significance of a CISPR limit
7.2 Application of limits in tests for conformity
of equipment in series production
8 General measurement conditions
8.1 EUT configuration
8.2 Operation of the EUT
9 Method of measurement of conducted disturbance at
mains terminals and telecommunication ports
9.1 Measuring receivers
9.2 Artificial mains network (AMN)
9.3 Ground plane
9.4 Equipment set-up
9.5 Measurement of disturbances at
telecommunication ports
9.6 Recording of measurements
10 Method of measurement of radiated disturbance
10.1 Measuring receivers
10.2 Antenna
10.3 Measurement site
10.4 Equipment set-up
10.5 Recording of measurements
10.6 Measurement in the presence of high ambient
signals
10.7 User installation testing
Annex A (normative) Site attenuation measurements of
alternative test sites
Annex B (normative) Decision tree for peak detector
measurements
Annex C (normative) Possible test set-ups for common mode
measurements
Annex D (informative) Schematic diagrams of impedance
stabilization networks (ISN)
Annex E (informative) Parameters of signals at
telecommunication ports
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications
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