4 MEASUREMENT CONDITIONS SETTING
73
4.8 Format Setting
The Analyzer offers the display of the measured S-parameters on the screen in three
formats:
nrectangular format;
npolar format;
nSmith chart format.
4.8.1 Rectangular Formats
In this format, stimulus values are plotted along X-axis and the measured data are
plotted along Y-axis (See figure 4.12).
Figure 4.12 Rectangular format
To display S-parameter complex value along Y-axis, it should be transformed into a real
number. Rectangular formats involve various types of transformation of an S-parameter
bjaS
×
+
=
, where:
na – real part of S-parameter complex value;
nb – imaginary part of S-parameter complex value.
There are eight types of rectangular formats depending on the measured value plotted
along Y-axis (See table 4.11).
Measurement
Stimulus
Y
X
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