R&S FSH Network Analyzer Mode
Performing Scalar Measurements
Operating Manual 1173.6275.12 - 30 189
6.3.2 Measuring the Reflection
The example included here is based on a reflection measurement of the same two-port
filter used for the transmission measurement. The filter has a center frequency of
2060 MHz and a bandwidth of about 11 MHz.
You can skip the preset, scalar measurement selection and frequency settings if you
have already set up the R&S FSH for the measurement. You can also skip the
calibration, if you have performed the appropriate calibration already.
Preset the R&S FSH
Before starting the measurement procedure, preset the R&S FSH to restore the default
configuration and connect the filter between the measurement ports.
► Press the PRESET key.
► Connect the DUT.
Start scalar measurements
► Press the MEAS key.
► Press the "Meas Mode" softkey.
► Select the "Scalar" menu item.
Select the type of reflection measurement
► Press the "Result Display" softkey.
► Select the "Reflection Port 1" menu item for reflection measurements on port 1 or
the "Reflection Port 2" menu item for reflection measurements on port 2.
► Select the "Reflection Port 1 and Port 2" menu item for a simultaneous display of
both the reflection on port 1 and on port 2.
In case of a simultaneous display, the R&S FSH shows two traces with a different
color in the result display. One for the measurement on port 1 and one for the
measurement on port 2. A label in the result display shows the port a trace belongs
to.
Note that the simultaneous display of both ports is only possible with a high
accuracy calibration.
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