126 Agilent N5181A/82A MXG Signal Generators User’s Guide
Basic Digital Operation (Option 651/652/654)
I/Q Adjustments
The I/Q adjustment, I/Q Delay, is not for adding impairments; its function is to compensate for any
latency between the EVENT output signals (marker signals) and the RF output.
Table 8-1 I/Q Adjustments Uses
I/Q Adjustment Effect Impairment
Offset Carrier feedthrough dc offset
Quadrature Angle
EVM error phase skew
I/Q Images I/Q path delay
I/Q Skew EVM error
high sample rate phase
skew or I/Q path delay
I/Q Gain Balance I/Q amplitude difference I/Q gain ratio
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