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Making the measurement
Calibrate the measurement using measured ± DC peak voltage
Refer to
information about residual phase noise measurements calibration types.
Procedure
1
2
Table 37 Acceptable amplitude ranges for the phase detectors
Phase Detector
50 kHz to 1.6 GHz
Ref Input (L Port)
+
15 dBm
to
+
23 dBm
1 Phase Noise Test Set Options 001 and 201
Connecting an oscilloscope to the monitor port is recommended because the signal can
NO T E
then be viewed to give visual confidence in the signal being measured. See
and
Agilent E5505A User's Guide
Chapter
7, "Residual Measurement Fundamentals for more
Using
Figure 173
and
and tighten all connections.
Measure the power level that will be applied to the Signal Input port of the
test set phase detector.
the test set phase detectors.
Signal Input (R Port)
0 dBm
to
+
23 dBm
Figure 174
on page 238.
Figure 174
on page 238 as guides, connect the circuit
Table 37
shows the acceptable amplitude ranges for
1.2 to 26.5 GHz
Ref Input (L Port)
+
7 dBm
to
+
10 dBm
Residual Measurement Examples
1
Signal Input (R Port)
0 dBm
to
+
5 dBm
Figure 173
8
237
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