User`s guide

Functions and Measurements 3
N9320A Spectrum Analyzer 43
Improving Frequency Resolution and Accuracy
This section provides information on how to improve
frequency resolution and accuracy using the frequency
counter function.
1 Press > Preset (With Preset Type of Factory)
2 Connect a cable from the front panel CAL OUT to RF IN;
Then, Press > Alignment > Align > CAL OUT ON to enable
the 50 MHz amplitude reference signal.
3 Press
The analyzer detects the peak of the signal and locate it to
the
center of the graticule (Refer to “Auto Tune” on page 73).
4 Turn the frequency counter on:
Press
> Function > Freq Counter > Freq Counter (On).
5 Move the marker, with the front- panel knob, half- way down
the skirt of the signal response.
Figure 14 Using Frequency Counter
Preset/
System
Preset/
System
Auto
Tune
Marker
Marker
50.032500 MHz
– 49.30 dBm
NOTE
The frequency and amplitude of the marker appears in the active function
area (this is not the counted result). The counted result appears in the
upper-right corner of the display to the right-side of Cntr1.
Counted result