BS EN 55022:2010

INTRODUCTION
1 Scope and object
2 Normative references
3 Definitions
4 Classification of ITE
5 Limits for conducted disturbance at mains terminals
   and telecommunication ports
6 Limits for radiated disturbance
7 Interpretation of CISPR radio disturbance
   limit
8 General measurement conditions
9 Method of measurement of conducted disturbance
   at mains terminals and telecommunication ports
10 Method of measurement of radiated disturbance
11 Measurement uncertainty
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 examples
        of impedance stabilization networks (ISN)
Annex E (informative) - Parameters of signals at
        telecommunication ports
Annex F (informative) - Rationale for disturbance
        measurements and methods on
        telecommunications ports
Annex G (informative) - Operational modes for some types of ITE
Bibliography
Annex ZA (informative) - Normative references to international
         publications with their corresponding European
         publications
Annex ZZ (informative) - Coverage of Essential Requirements
         of EC Directives

Defines 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.

This International 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 9kHz to 400GHz for both class A and class B equipment. No measurements need be performed at frequencies where no limits are specified. The intention of this publication 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.