Noise suppression sheet for digital devices and equipment - Part 3: Characterization of parameters of noise suppression sheet
Noise suppression sheet for digital devices and equipment - Part 3: Characterization of parameters of noise suppression sheet.
IEC 62333-3:2010 provides characterization of parameters for electromagnetic noise suppression sheet (NSS) for digital devices and equipment used in a frequency range between 30 MHz to 30 GHz.
Guidance is given for uniform presentation of the properties of noise suppression sheet, intended for use in manufacturers and users technical data.
NSS suppresses noise at its source, rather than absorbing noise at a distance. Therefore NSS is distinguished from RF wave absorbers used in free space.
This standard addresses the following purposes of NSS manufacturers and users:
The numerical values given in this standard are typical values of parameters (properties) of the related NSS.
The purpose of NSS testing is the benchmarking of materials.
Predictions of specific device performance values are not always easy or even possible.
Every detailed material and NSS specification should be agreed between the user and the manufacturer.
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