Measuring Multiple Signals; Comparing Signals On The Same Screen Using Marker Delta - Keysight N9320B User Manual

Functions and Measurements
Measuring Mul tiple Signals

Measuring Multiple Signals

Comparing Signals on the Same Screen Using Marker Delta

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This section provides the information on how to measure
multiple signals.
The delta marker function allows the user to compare two
signals when both appear on the screen at the same time.
In the following example, harmonics of the 10 MHz reference
signal available are used to measure frequency and
amplitude differences between two signals on the same
screen. Delta marker is used to demonstrate this
comparison.
1
Preset the analyzer:
> Preset (With Preset Type of Factory)
Preset/
Press
System
Connect the rear panel REF OUT to the front panel RF IN.
2
3
Set the analyzer center frequency, span and reference level
to view the 10 MHz signal and its harmonics up to 50 MHz:
> 30 > MHz
Press Frequency
> 50 > MHz
Press SPAN
> 10 > dBm
Press Amplitude
4
Place a marker at the highest peak on the display (10 MHz):
Peak
Press
Search
The marker should be on the 10 MHz reference signal. Use
the Next Pk Right and Next Pk Left softkeys to move the marker
from peak to peak.
5
Anchor the first marker and activate a second marker:
> Delta > Delta (On)
Press
Marker
The label on the first marker now reads 1R, indicating that it
is marking the reference point.