Keysight M8195A User Manual page 77

M8195A User Interface 2
The following example illustrates another possible use of custom modulation to define a
distorted constellation. In this particular case, a O-QPSK modulation with a quadrature
error (non-perpendicular I and Q axis) is defined:
#2
Offset, yes
iq
1.05, 1.05
-0.95, 0.95
-1.05, -1.05
0.95, -0.95
The above file includes a line to indicate that this is an offset modulation. The resulting
constellation after loading this file is shown as following:
Keysight M8195A Revision 2 – Arbitrary Waveform Generator User's Guide 77