RIGOL DG5000 Series - Manual (Page 102)

RIGOL Chapter 5 IQ Modulation Output
User’s Guide for DG5000 5-4
2. External Source
After the “external” source is selected, the generator accepts I and Q modulating
signals from the rear panel Mod in/I and Q connectors. And then, Pattern, Rate
and IQ_Map menus will be grayed out and disabled.
a) b)
As shown in figure a), the external I and Q signals are sampled by the generator
and then the IQ modulating signals are acquired.