ČSN EN IEC 61726-ed.3 (347705)

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Components and accessories in general

Die Annotation des Normtextes ČSN EN IEC 61726-ed.3 (347705):

This document describes the measurement of screening attenuation by the reverberation chamber measurement method, also called mode stirred chamber method.

This document is applicable to screening attenuation measurements of cable assemblies, cables, connectors, and passive microwave components, such as waveguides, phase shifters, diplexers/multiplexers, power dividers/combiners, etc.

Modern electronic equipment has shown a demand for methods for testing screening attenuation performance of microwave components over their whole frequency range. Convenient measurement methods have existed for lower frequencies and components of regular shape. These measurement methods are described in the IEC 62153 series. For much higher frequencies and for components of irregular shape, the reverberation chamber method can be used. Theoretically, the reverberation chamber method has no upper limit of the measurement frequency, but it is limited by the quality and sensitivity of the measurement system, and the lower limit of the measurement frequency is restricted by the size of the reverberation chamber