Results; Troubleshooting Hints - Agilent Technologies E4404B Operation Manual

• Measurement setup parameters.

Results

Figure 3-7 Phase and Frequency Error Result - I/Q Quad view
Figure 3-8 Phase and Frequency Error Result - I/Q Measured view

Troubleshooting Hints

Poor phase error indicates a problem with the I/Q baseband generator,
filters, or modulator in the transmitter circuitry. The output amplifier
in the transmitter can also create distortion that causes unacceptably
high phase error. In a system, poor phase error will reduce the ability of
Chapter 3
Making the Phase and Frequency Error Measurement
These are measurement specific parameters changed using the
Measurement setup (
to default settings at any time by pressing
and
Restore Meas Defaults
setup parameters, refer to the ESA Series Spectrum Analyzers GSM
Measurement Personality User's Guide.
Making GSM Base Station Measurements
) menu. Parameters can be returned
Meas Setup
. For further information on measurement
,
Meas Setup More (1 of 2)
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