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 Network Analyzers using PXI software

The target level search function is used to locate the marker with the given level of the measured parameter (See figure below).

The trace can have two types of transition at the points where the target level crosses the trace:

Transition type is positive if the function derivative (trace slope) is positive at the intersection point with the target level.

Transition type is negative if the function derivative (trace slope) is negative at the intersection point with the target level.

Target level search

Target level search

Target level search is performed only for intersection points that have a user-selected specific transition polarity (positive, negative, or both).

The following options for the target level search are available:

search for nearest target

search for left target

search for right target

Target transition both

Positive negative both

To set the transition polarity, use the following softkeys:

Markers > Marker Search > Target > Target Transition > [ Positive | Negative | Both ]

 

Search Target Marker 1

Target value 0 dB

To enter the target level value, use the following softkeys:

Markers > Marker Search > Target > Target Value

Then enter the value using the numerical keypad, or the «↑», «↓» arrows.

 

Search Target dot softkey

To activate the nearest target search, use the following softkeys:

Markers > Marker Search > Target > Search Target

Search Target Left softkey

To activate the left target search, use the following softkeys:

Markers > Marker Search > Target > Search Target Left

Search Target Right softkey

To activate the right target search, use the following softkeys:

Markers > Marker Search > Target > Search Target Right

 

Target Line OFF

Clear All Target Lines

To enable/disable target level indication on the screen, use the following softkeys:

Markers > Marker Search > Target > Target Line

The Clear All Target Lines softkey disables indication of target level lines of all the markers.


note

Activate the marker before starting maximum or minimum search (see Marker Activation).

In Smith chart and Polar formats, the search is executed for the first marker value.


 

Rev.:  22.3