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Document Part No. E5500-90024Ed. 1.0
Figure 8-7 Phase Detector Sensitivity
4
Remove the power meter and reconnect the cable from the
splitter to the Signal Input port.
5
If you are not certain that the power level at the Reference Input
port is within the range shown in the preceding graph, measure
the level using the setup shown in
6
Remove the power meter and reconnect the cable from the
splitter to the Signal Input port.
7
After you complete the measurement set up procedures and
begin running the measurement, the computer will prompt you to
adjust for quadrature
the phase detector to 90 degrees (quadrature) by either adjusting
the test frequency or by adjusting an optional variable phase
shifter or line stretcher. Quadrature is attained when the meter is
set to center scale, zero.
E5500 Phase Noise Measurement System Version A.02.00
Residual Measurement Fundamentals
Figure
8-9.
(Figure
8-8). Adjust the phase difference at
8
Calibration Options
8-11
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