Agilent X-Series Signal Generators User’s Guide 335
Custom Digital Modulation (Option 431)
Using Customized Burst Shape Curves
Display the Burst Shape
Press Display Burst Shape.
This displays a graphical representation of the waveform’s rise and fall characteristics, as shown in
Figure 13- 16.
Figure 13-16 Burst Shape
To return the burst to the default conditions, press the following keys:
Return > Return > Return > Confirm Exit From Table Without Saving > Restore Default Burst Shape.
Storing a User-Defined Burst Shape Curve
1. Press Define User Burst Shape > More (1 of 2) > Load/Store > Store To File.
If there is already a file name from the Catalog of SHAPE Files occupying the active entry
area, press the following keys:
Editing Keys > Clear Text
2. Enter a file name (for example, NEWBURST) using the alpha keys and the numeric keypad.
The maximum file name length is 23 characters (alphanumeric and special characters).
3. Press Enter.
The contents of the current Rise Shape and Fall Shape table editors are stored to the Catalog of
SHAPE Files. This burst shape can now be used to customize a modulation or as a basis for a new
burst shape design.
Recalling a User-Defined Burst Shape Curve
Once a user- defined burst shape file is stored in memory, it can be recalled for use with real- time
I/Q baseband generated digital modulation.
This example requires a user- defined burst shape file stored in memory. If you have not created and
stored a user- defined burst shape file, complete the steps in the previous sections, “Creating a
User- Defined Burst Shape Curve” on page 333 and “Storing a User- Defined Burst Shape Curve” on
page 335.
1. Press Preset.
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