Alter Technology's new semianechoic chamber has a cylindrical test volume of 2m radius and 2.5m height. It counts with hybrid absorber suitable for 40 GHz.
Reference Site Method / Normalized Site Attenuation
30 MHz to 1 GHz frequency range. NSA required by standard: ± 4 dB Achieved in worst-case third party accredited:
± 2 dB.
Site Voltage Standing Wave Ratio 1 GHz to 18 GHz frequency range. VSWR required by standard: ≤ 6 dB
Achieved in worst-case third party accredited: ≤ 4 dB
Shielded Test Site 10 kHz to 40 GHz frequency range. Magnetic field worst-case: ≥ 60 dB
Plane Wave worst-case: ≥ 70 dB
Available standards (e.g. ASTM, MIL): MIL-STD-461, RTCA-DO160, IEC 61000, ETSI, CISPR-16, etc.
Specimen length [mm]: 2000.0
Specimen width/dia [mm]: 2000.0
Specimen height/thk [mm]: 2500.0
Mass max. [kg]: 1500.0
Cleanroom classes (ISO 14644-1):
ISO Class ≤5
ISO Class 6
ISO Class 7
ISO Class 8
ISO Class 9
Keywords: EMC testing, Alter Technology, Semianechoic, Anechoic