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Over–the–Air Measurements (OTA) – LTE FDD Option 370, LTE TDD Option 371, 5GTF
Option 377 (CPU2 Only)
How to Set Up EMF Settings (Requires EMF (Option 358))
How to Set Up EMF Settings (Requires EMF (Option 358))
If OTA or SA mode does not detect an EMF Option 358 license, then the
EMF application and the USB antenna's axes must be set up manually. This
use model is not recommended or supported by Keysight.
The USB antenna's cable loss is not included, in the antenna's correction
factors. For an accurate EMF measurement, the cable loss values should
be accounted for. Refer to
IMPORTANT! The USB triaxial antenna—or equivalent—is required for EMF
measurements. Refer to
Requires EMF Option 358, and SA mode (Option 233 Mixed Analyzers))."
EMF mode measures signals at the SA RF Input Port 2 connector.
EMF mode requires the FieldFox to have SA mode (Option 233 on combination
analyzers), or 5G NR Option 378), and CPU2 installed.
Recommended, but not required, preamplifier (Option 235) to improve receiver
sensitivity.
With Option 358 (EMF), network designers can measure and verity the RF
exposure compliance as required by each country.
This section reviews the steps in setting up an EMF measurement, using a USB
antenna. If you are not familiar with this process or would like more
information, refer to
EMF Option 358, and SA mode (Option 233 Mixed Analyzers))."
This section consists of:
—
—
EMF Features
EMF has the following features:
EMF Measurement Results:
—
— Antenna control over X, Y, and Z antenna factors downloaded via USB
— Pass/Fail limit testing supported
— External PC not required
EMF uses the following data formats:
Keysight N9927-90020 User's Guide
Chapter 15, "USB Antennas – (Full Capability Requires
"EMF Features"
"EMF Setup Procedure"
Measure and display corrected field strength in RMS average power
"EMF Setup Procedure" on page
Chapter 15, "USB Antennas – (Full Capability
388.
385
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