R&S AFQ100A Operating Manual page 155

R&S AFQ100A
1401.3084.32
A negative error means a phase angle less than 90 degrees:
+
The impaired signals I
and the proper ones I and Q:
+
I = I - q × Q
i
+
Q = q × Q
q
with
sin( )
q =
i
cos( )
q =
q
Remote-control command:
SOUR:IMP:PHAS -5.1
4.44
+
and Q are given by the phase mismatch
Impairments Block
E-3