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3640 series - Broadband hybrid pyramidal absorbers
These absorbers are the most popular solution for 3m, 5m and 10m EMC chambers on the market.
Solution for 3m, 5m and 10m EMC chambers
These absorbers are the most popular solution for 3m, 5m and 10m EMC chambers on the market. They are composed of pyramidal, full-tip SAM or truncated SMT pulsing the matching layer to separate the pyramidal part from the ferrite part. Through optimization, this product has superb performance across 30MHz to 18GHz. The ferrite performes from 30MHz to 1GHz and the foam performes above 1GHz.
Prototypes have been made and the design is being tested. Results will become part of a valuable feedback loop for refining our design further.
The Broadband pyramidal absorber (BPA) is made of a low-density polyurethane foam, filled with high-loss dielectric material in an open-cell structure and it is finished with light-blue paint. The dimensions are 60cm x 60cm with a height of 5” to 36” for the pyramidal sections. The product is flexible and light weight, and can be attached to any wall easily. It is a high-performance broadband RF absorber that is widely used for Anechoic chambers.
Part numbers and dimensions
|A (mm)||B (mm)||C (mm)|
- Anechoic chambers for EMC testing
- Dark box for mobile-phone inspection
- RCS (Radar Cross Section measurements)
- APM (Antenna Pattern Measurements)
- High-speed electronics
- Numerically optimized design
- 1.5 kW/m³ power-handling capability
|Part number||Typical reflectivity (dB)|
|0.03 GHz||0.08 GHz||0.3 GHz||0.5 GHz||1 GHz||3 GHz||6 GHz||10 GHz||18 GHz||40 GHz||100 GHz|
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