
518 Chapter 15
Measurement Examples
Measuring an Unbalanced and Balanced Bandpass Filter
Step 4. Set the measurement parameter (mixed mode S-parameter) and data format for trace 3.
Step 5. Set the measurement parameter (mixed mode S-parameter) and data format for trace 4.
Figure 15-28 shows the setting results for each parameter.
Figure 15-28 Measurement results after unbalanced-balanced conversion
Setting Description Key Operation
Unbalanced-balanced conversion of trace 3:
ON
- -
Fixture Simulator -
BalUn (turns it ON)
Measurement parameter: S
ss11
- Sss11
Data format: Smith chart (marker display:
R+jX)
-
Smith - R + jX
Setting Description Key Operation
Unbalanced-balanced conversion of trace 4:
ON
- -
Fixture Simulator -
BalUn (turns it ON)
Measurement parameter: S
dd22
- Sdd22
Data format: Smith chart (marker display:
R+jX)
-
Smith - R + jX
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