Agilent Technologies N9340A - Manual (Page 56)

4 Making Measurements
54 N9340A User’s Guide
Improving Frequency Resolution and Accuracy
Using the frequency counter to improve frequency
resolution and accuracy.
1 Press [PRESET]. (Factory Preset)
2 Input a signal (1 GHz, –30 dBm) to the
analyzer’s
RF IN connector.
3 Set the center frequency to 1 GHz and the span
to 5 MHz:
4 Press [MARKER] > {More (1 of 2)} > {Mode} > {Freq
Count} to turn the frequency counter on.
5 Move the marker by rotating the knob, half- way
down the skirt of the signal response.
6 Press [MARKER] > {More (1 of 2)} > {Mode} >
{Normal} to turn off the marker counter.
Figure 10 Using Frequency Counter
NOTE
Marker count properly functions only on CW signals or
discrete spectral components. The marker must be > 40
dB above the displayed noise level.