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  • Revision:1998 Edition, 1998
  • Published Date:June 8, 2012
  • Status:Active, Most Current
  • Document Language:English
  • Published By:Institute of Electrical and Electronics Engineers (IEEE)
  • Page Count:64
  • ANSI Approved:No
  • DoD Adopted:No

  • The purpose of this recommended practice is to recommendrealistic and repeatable criteria, as well as recommended testmethods, to characterize the absorption properties of typicalanechoic chamber linings applied to a metallic surface. Thisrecommended practice covers the parameters and test procedures forthe evaluation of radio-frequency (RF) absorbers to be used forradiated emissions and radiated susceptibility testing ofelectronic products, in the absorber manufacturer and/or absorberuser environment, over the frequency range of 30 MHz to 5 GHz.

    The recommended methods approach the RF absorber evaluation atthree levels:

    a) RF absorber materials bulk parameters

    b) Arrays of commercially available RF absorbers

    c) RF absorbers in actual applications, as in anechoic orsemianechoic chambers and lined open-area test sites.

    The evaluation measurements can be performed in frequency and/ortime domain. This recommended pratice, however, does not addressthe accuracy and limitations of the different evaluation methods.These issues will be addressed in future revisions of thisrecommended pratice.