Keysight EXG and MXG X-Series Signal Generators User’s Guide
183
Basic Digital Operation—No BBG Option Installed
I/Q Modulation
Configuring the Front Panel Inputs
The MXG/EXG accepts externally supplied analog I and Q signals through the front panel I Input
and Q Input for modulating onto the carrier.
1.
Connect I and Q signals to the front panel connectors. For voltage levels, refer to
.
a.
Connect an analog I signal to the signal generator’s front panel I Input.
b.
Connect an analog Q signal to the signal generator’s front panel Q Input.
2.
Turn on the I/Q modulator: Press
I/Q Off On
to On.
3.
Configure the RF output:
a.
Set the carrier frequency.
b.
Set the carrier amplitude.
c.
Turn the RF output on.
4.
Make adjustments to the I/Q signals (
) as needed.
Quadrature Angle
EVM error
phase skew
I/Q Images
I/Q path delay
Table 8-1
I/Q Adjustments Uses
I/Q Adjustment
Effect
Impairment
