Keysight Technologies FieldFox A Series User Manual page 204

SA (Spectrum Analyzer) Mode
Channel Measurements
Other ACPR Settings
All relevant FieldFox settings are made automatically to ensure the highest
accuracy, such as ResBW, VideoBW, and sweep (SwpAcquisition) speed.
These, and all other SA Mode settings, can be changed manually in a ACPR
measurement.
— Learn about Measurement Preset in
— Learn about Averaging in
RRC Weighting
RRC, or Root-Raised-Cosign weighting, is offered with Channel Power and
ACPR measurements.
When RRC Weighting is applied to transmitted and received power, the edges
of the channel are 'smoothed' to help prevent interference. To accurately
measure a channel that has RRC weighting, set the same value of RRC
weighting as that used in the transmitter and receiver.
Figure 9-12 Channel power measurement with.22 RRC applied
RRC Weighting is set and enabled automatically when included in a selected
radio standard.
To set and enable RRC Weighting:
— Press Meas Setup 4
— Then
— Then
— Then
204
—Then enter a value to be used to reference the data using the numeric
keypad, arrows, or the rotary knob.
RRC Weighting ON OFF
More
RRC Alpha [current setting]
"Measurement Preset" on page
"Averaging" on page 195.
Keysight N9927-90001 User's Guide
195.