User`s guide
340 Agilent X-Series Signal Generators User’s Guide
 Custom Digital Modulation (Option 431) 
Using the Arbitrary Waveform Generator 
Figure 13-19 Modifying a Digital Modulation Type
This section teaches you how to perform the following tasks:
• Selecting a Digital Modulation Setup on page 340
• Configuring the RF Output on page 338
• Selecting the Filter on page 341
• Configuring the RF Output on page 338
Selecting a Digital Modulation Setup
1. Press  Preset.
2. In the ARB Custom Modulation menu (page 339), press Single Carrier Setup > Quick Setup > NADC.
Modifying the Modulation Type and Symbol Rate
1. In the ARB Custom Modulation menu (page 339), press Single Carrier Setup > Modulation Type > Select 
>  PSK > QPSK and OQPSK > QPSK.
2. Press  Return > Symbol Rate > 56 > ksps.
Note: This is the 
2nd page of the 
PSK menu.
Note: This is the 
2nd page of the 
QPSK menu.
Mode > ARB Custom Modulation >  Single Carrier Setup >   
Modulation Type > Select
For details on each key, use key help as described on page 44.
These softkeys, 
open a menu to 
select an 
existing user I/Q 
or user FSK file 
that can be 
selected and 
applied to the 
current 
modulation type.










