R&S ZVH Network Analyzer Mode (R&S ZVH-K42)
Performing Vector Measurements
Operating Manual 1309.6946.12 - 09 182
6.2.1 Measuring the Transmission
The example included here is based on a transmission measurement of a two-port
filter. The filter works in the frequency from of 1920 MHz to 1980 MHz.
Test setup
► Connect the input of the DUT to the tracking generator output (port 2).
► Connect the output of the DUT to the RF input (port 1).
Preset the R&S ZVH
Before starting the measurement procedure, preset the R&S ZVH to restore the default
configuration and connect the filter between the measurement ports.
► Press the PRESET key.
► Connect the DUT.
Select the type of transmission measurement
► Press the MEAS key.
► Press the "Transmission S21" or "Transmission S12" softkey for transmission
measurements in forward or reverse direction.
Simultaneous display of several results
You can also display two results simultaneously in a single diagram. In that case, the
R&S ZVH shows two traces with a different color in the result display.
► Press the MEAS key.
► Press the "Other Meas" softkey.
► Select one of the result combinations to be displayed in a single diagram.
- Reflection S11 + S22
- Transmission S21 + S12
- Transmission / Reflection S21 + S11
- Transmission / Reflection S12 + S22
The information, which trace carries which result, is indicated by a label in the
diagram area.
Note that the simultaneous display of more than one result in a single diagram is
only possible with a high accuracy calibration.
In addition, you can display two diagrams, so that you can view all four results at the
same time (S11, S12, S21, S22).
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