Sa Mode Settings; How To Select Sa Mode; Frequency Range - Keysight N9913A User Manual

SA (Spectrum Analyzer) Mode

SA Mode Settings

SA Mode Settings
Select SA Mode before making any setting in this chapter.
Because there is no calibration, these settings can be made in any order.

How to select SA Mode

— Press Mode_
— Then SA.

Frequency Range

The X-axis frequency range determines the frequencies that are measured for
each sweep. The default Start frequency is 0 Hz. However, the Start frequency
can be set as low as –100 MHz. The internal LO of the FieldFox can be seen at
0 Hz, which will mask signals that may be present.
Although the start frequency can be set as low as -100 MHz, amplitude
accuracy is specified above 100 kHz. Below 100 kHz, frequency accuracy
is maintained, but amplitude accuracy is degraded.
Available ONLY with Opt. 209 and while in Step sweep, SA mode allows reverse
sweeps. This means the Start frequency can be higher than the Stop
frequency. In addition, the Reverse Swap feature can be used to quickly
reverse the Start and Stop frequencies. Learn how in
page
The frequency range of the measurement can be changed using the following
methods:
— Set Center and Span frequencies
— Set Start and Stop frequencies
— Toggle between Zero and Last selected span
— Set Full Span of the FieldFox
— Using Channel selection. Learn how in
— Using Marker -> Center (frequency). Learn how in
How to set Frequency Range
— Press Freq/Dist.
— Then choose from the following:
146
151.
on page 460.
—Center and Freq Span
of entering frequency range. Enter the frequency of interest. The
Center frequency is at the exact center of the X-axis. The Frequency
"Channel Selection" on page
frequencies. This is the most common method
Keysight N9927-90001 User's Guide
"Reverse Swap" on
149.
"SA Marker Functions"