Getting Started Guide 21
Safety & Environmental Information
Protecting against excessive input power
Protecting against excessive input power
During UE testing in Power Class 1.5, the DUT may generate power levels high
enough to exceed maximum RF input power at ports RF1 through RF8. To
protect the E7515B receiver, a 4 dB attenuator should be connected in line
with each UXM 5G RF port, when testing in Power Class 1.5. Recommended
attenuators: BW-S4W5+ (SMA, 4dB) or BW-N4W5+ (N, 4dB).
After connecting the attenuators to the UXM 5G ports, please remember to
refresh the system cal factors by running Cal Utility included in HCCU
(Hardware Configuration Utility) software. This will update system to include
the extra power loss in paths with added attenuators. (These attenuators are
not supplied with the UXM 5G.)
If the attenuators described above are not used during testing at high power
levels, the receiver section of the E7515B could be damaged.
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