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49
Functions and Measurements
Improving Frequency Resolution and Accuracy
Improving Frequency Resolution and Accuracy
This section provides information on using the frequency
counter function to improve frequency resolution and
accuracy.
1
Press
Preset
(With
Preset Type
of
Factory
)
2
Connect a cable from the front panel
CAL OUT
to
RF IN
;
Press
System > Service > Calibration > CAL OUT ON
to toggle on
and enable the 50 MHz amplitude reference signal.
3
Press
Frequency > Auto Tune
.
The analyzer will detect the signal peak and locate it to the
center of the display (Refer to
“Auto Tune” on page 111
).
4
Turn the frequency counter on:
Press
Marker > Function > Counter
.
5
Move the marker, with the front- panel knob, half- way down
the skirt of the signal response.
Figure 3-14 Using Frequency Counter
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
C1
.
Counted result