Chapter 7 295
Fixture Simulator
Evaluating Balanced Devices (balance-unbalance conversion function)
7. Fixture Simulator
Measurement parameters of balanced devices
Turn on the balance-unbalance conversion function to measure the following parameters.
R Mixed mode S-parameter
R Imbalance parameter
R CMRR (Common Mode Rejection Ratio)
Mixed mode S-parameter
By turning on the balance-unbalance conversion function, you can obtain the S-parameter
of the balanced port separately for two modes, the differential mode and the common
mode.
Figure 7-9 shows the notation of the S-parameter in balance measurement (mixed
mode S-parameter).
Figure 7-9 Notation of mixed mode S-parameter
Figure 7-10 to Figure 7-12 show the mixed mode S-parameter when measuring each
balanced device.
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