I.S. EN 62431:2008
Current
The latest, up-to-date edition.
REFLECTIVITY OF ELECTROMAGNETIC WAVE ABSORBERS IN MILLIMETRE WAVE FREQUENCY - MEASUREMENT METHODS
Hardcopy , PDF
English
01-01-2008
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and acronyms
4 Specimen
5 Specimen holder
6 Measurement equipment
7 Measurement condition
8 Calibration of measurement system and measurement
conditions
9 Horn antenna method
10 Dielectric lens antenna method - focused beam method
11 Dielectric lens antenna method - parallel beam method
12 Test report
Annex A (informative) - Reflection and scattering from metal
plate - Horn antenna method
Annex B (informative) - Reflectivity of reference specimens
using horn antenna method
Annex C (informative) - Specifications of commercially available
antennas
Annex D (normative) - Calibration using VNA
Annex E (informative) - Dynamic range and measurement errors
Annex F (informative) - Enlargement of dynamic range - Calibration
by isolation
Annex G (informative) - Relative permittivity of styrofoam and
foamed polyethylene based on foam ratio
Annex H (informative) - Calculation of Fraunhofer region - Horn
antenna method
Annex ZA (normative) - Normative references to international
publications with their corresponding
European publications
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