3630 series - Wide- band hybrid pyramid EM absorbers

For the construction of a small anechoic chamber to get a larger space than one could build with pyramid-shaped absorbers.

3630 Wide-band hybrid pyramid EM absorbers

The 3630 series Wide-band hybrid pyramid EM absorber is an 80 mm high absorber that measures 100 mm x 100 mm. It shows good absorption performance in the wide band between 30MHz and 18GHz when combined with 6.3mm thick Ferrite absorber tiles (Part nr. 3600-63).
The hybrid pyramid absorber is made out of a carbon-loaded polystyrene and is tuned for perfect performance over Ferrite absorber tiles.

Due to this special characteristic, the product is suitable for building a small anechoic chamber to get a bigger space than build with form pyramidal absorber. Also, it can increase the frequency from 1GHz to 18GHz as compared to a standard anechoic chamber that only has Ferrite absorber tiles.

3630 series Wide band hybrid pyramide EM absorbers
3630 series Wide-band hybrid pyramid EM absorbers


  • Performs very well in wide band (30MHz to 18GHz)
  • Small size (100 x 100 x 80 mm)
  • Long service life
  • Only 8 cm high, so room space can be used
  • So strong that an adult can stand on it
  • Does not deteriorate even if it gets wet
  • 10 times more durable than conventional products
  • By slant molding, stable quality is assured
  • Easy to install on wall surfaces without adhesives
    being required

Performance characteristics

(Normal incidence reflection loss)
Reflective attenuation vs. frequency

3630 Wide band hybrid pyramide EM absorber performance characteristics

3630 Wide-band hybrid pyramid EM absorber, performance characteristics


  • Standard wieght : 783 gr.
  • Standard dimensions : 100 x 100 x 80 mm
  • Main hazards : No risk of explosion, reactivity
    or health hazard.


  • Electromagnetic-wave anechoic chambers
  • Compact EM-wave anechoic chambers
  • Floor-type electromagnetic-wave absorbers
  • Installation on shielded doors
  • Suitable for EMS high-power irradiation test
  • Suitable for small anechoic chamber
    (aproximately 3 meters)
  • Anechoic chambers for antenna
  • For actual use in various GHz bandwidth


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