Specifications

Test Capabilities and System Requirements 117Appendix A
Miscellaneous Specifications
Acoustic Noise
LpA ≤60dB am Arbeitsplatz normaler Betrieb nach EN27779: 1991
ac Power Over-voltage Category
Category III
Pollution Degree
Degree 2 (IEC 664)
Electromagnetic Compatibility Requirements
The Agilent TS-5400 Test System complies with EN 55011 (CISPR 11)
Group 1, Class A for conducting emissions. The product exceeds the EN
55011 (CISPR 11) Group 1, Class A limit for radiated emissions by less than
10 dB when measured on a test site at a distance of 30 meters. Therefore,
some site preparations may have to be done in order to comply with the
Class A limit in the frequency range of 30 MHz to 1 GHz for radiated
emissions at 30 meters from the exterior wall of a building in which the
equipment is installed. See Figure A-3 for an illustration of the site
calculations.
To obtain the necessary attenuation at the customer's site, perform these
calculations (if the calculated site attenuation (A) is less than 10 dB, contact
the Technical Regulatory Support Engineer (TRSE) in your country):
1. The attenuation of a concrete wall (W) (without any openings) = 10
dB
2. The distance (D) (the distance from the equipment to the exterior wall
plus 30 meters) increases the attenuation by X and can be calculated
as:
X = 20 * log (D/30)
where: X = attenuation in dB, D = distance in meters
3. The total attenuation (A) is calculated as:
A = n * W + Xwhere: A = total attenuation in dB
n = number of concrete walls within distance D
W =10 (dB)
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