5 CALIBRATION AND CALIBRATION KIT
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To obtain an S-parameter file of the calibration mixer/filter, you need to use SHORT,
OPEN, and LOAD calibration standards (See figure 5.22).
Figure 5.22 Vector Mixer Calibration
5.7.1 Vector Mixer Calibration Procedure
Before you start the calibration, perform the following settings: activate a channel and
set its parameters (frequency span, IF bandwidth, etc), and define the calibration kit.
·Perform 2-port calibration.
·Assemble vector calibration setup.
·Set frequency and power of the external LO.
To access the vector mixer calibration menu, use the
following softkeys:
Calibration > Mixer/Converter Calibration > Vector Mixer
Calibration
To select the number of test port connected to the
calibration mixer, click Select Port.
2
-
Port Calibration
LOAD
Vector
Calibration
Calibration
Mixer/Filter
SHORT
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