Controlling the Acquisition of Data > Using Triggers to
Capture Just What You Want > Triggering
Frequency Mask Trigger
Frequency Mask Trigger
The frequency mask trigger monitors all changes in frequency occupancy within the capture bandwidth
(40 MHz or 110 MHz).
The following topics describe the frequency mask trigger controls:
: explains how to con
fi
gure frequency mask triggering parameters.
: explains how to create and edit frequency masks.
: explains how to initiate frequency mask triggering.
Mask Editor (Frequency Mask Trigger)
The Mask Editor is used to create masks that are used by the Frequency Mask Trigger function. The
Frequency Mask Trigger ( FMT ) function is used to de
fi
ne trigger events to capture signal anomalies
based on their frequency and amplitude.
Displaying the Mask Editor
To display the Mask Editor:
1.
Press
Trigger
on the front panel or select
Trig
from the Application toolbar.
2.
Select the
Event
tab.
3.
Set
Source
to
RF Input
.
4.
Set
Type
to
Frequency Mask
.
5.
Select
Mask Editor
.
Creating a Mask
The simplest way to create a mask is to use the
Auto draw
function.
To create a new mask using
Auto draw
:
1.
Select the trace on which to base the mask from the
Reference trace
drop-down list. (Only traces that
are shown can be selected from the drop-down list. To show a trace that isn’t currently in the list,
open its display and enable the trace of interest.)
2.
Specify the margins to be applied between the mask and the reference trace. Enter values for the X
Margin and the Y Margin.
3.
Click
Auto draw
.
The following screen shows a mask created with Auto draw.
320
RSA6100A Series Real-Time Spectrum Analyzers Help
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