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Chapter 6 141
Custom Arb Waveform Generator
Working with Modulation Types
Creating an FSK Modulation Type User File with the Frequency Values Editor
Use this procedure to set the frequency deviation for data 00, 01, 10, and 11 to configure a user-defined
FSK modulation.
1. Press
Preset.
2. Press
Mode > Custom > Real Time I/Q Baseband > Modulation Type > Define User FSK > More (1 of 2) >
Delete All Rows > Confirm Delete All Rows.
This accesses the Frequency Values editor and clears the previous values.
3. Press
600 > Hz.
4. Press
1.8 > kHz.
5. Press
-600 > Hz.
6. Press
-1.8 > kHz.
Each time you enter a value, the Data column increments to the next binary number, up to a total of 16
data values (from 0000 to 1111). An unstored file of frequency deviation values is created for the
custom 4-level FSK file.
7. Press
Load/Store > Store To File.
If there is already a file name from the Catalog of FSK Files occupying the active entry area, press
the following keys:
Edit Keys > Clear Text
8. Enter a file name (for example, NEWFSK) using the alpha keys and the numeric keypad.
9. Press
Enter.
The user-defined FSK modulation should now be stored in the Catalog of FSK Files.