Agilent X-Series Signal Generators User’s Guide 209
Basic Digital Operation (Option 653/655/656/657)
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 8-2 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
I/Q Phase I/Q phase rotation RF phase adjustment
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