Agilent Technologies 89410A - To measure phase noise

To use the search marker
Complete “To set up a frequency response measurement” or continue from one
of the previous marker measurements.
1 Move the marker to the largest part of the frequency response trace if it is not
already there:
Press [
Shift
], [
Marker
].
2 Activate and zero the relative marker if it is not already activated:
Press [
Shift
], [
Marker⇒
].
3 Define the search target level and perform a search:
Press [
Marker Search
], [
search setup
],
Press [
search target
], −6, [
dB
],
Press
[search right
],
[search left
].
The search marker allows you to quickly find a target value. When the offset
markerisactivatedthetargetvalueisrelativetothereferencepoint.
The search marker finds a Y-axis value with reference to a target value
With the offset marker activated, the
search marker indicates the point on the
trace which is separated from the offset
marker by the target value
Characterizing a Filter
5-6