Agilent Technologies FieldFox N9912A, User Manual

Page: 97 / 209

SA (Spectrum Analyzer) Mode 97
When you first select a Channel Measurement , then select a Radio Standard ,
the BW, Offset, RRC, Integration BW, and Span settings are changed to those of
the standard. In addition, Res BW can also change when set to ‘Auto(couple)’.
However, center frequency is NOT changed unless you first select Units = CHAN.
Measurement Preset
Measurement Preset allows you to easily reset any of the channel measurements
to its default settings. The Center Frequency, Preamp ON|OFF, RF Attenuation,
Markers, Limits, and Radio Standard settings are NOT reset.
To select Measurement Preset:

Press
Preset
then
Meas Preset
Averaging
By default in ALL Channel measurements, averaging is enabled and set to
display the average of the last 15 measurements. When enabled, this average
setting is automatically making the following ‘averaging’ settings in order to
provide the most accurate power measurements:

Averaging Type is set to Power.

Trace State is set to Average.

Detector is set to Average.

Count is set to 15.
Any of these settings can be changed manually during a Channel measurement.
Learn more about these settings starting at page 90.
To change Averaging:

Press
Meas Setup 4
.

Then
Average Enable ON OFF
OFF effectively sets the Average Count to 1.

Then
Average Count

Enter a value between 1 and 10,000 using the numeric keypad,
▲|▼
arrows,
or the rotary knob.

Press
Enter
.
Traces
Only one measurement trace can be displayed in Channel Measurements.
Channel Power (CHP)
Channel Power measures total power over the specified Integrated BW. The
Integration Bandwidth (IBW) can be adjusted to measure the power over
multiple channels.