R&S ZVH Network Analyzer Mode (R&S ZVH-K42)
Performing Vector Measurements
Operating Manual 1309.6946.12 - 09 185
6.2.2 Measuring the Reflection
The example included here is based on a reflection measurement of the two-port filter
that was also used for the transmission measurement.
You can skip the preset, vector measurement selection and frequency settings if you
have already set up the R&S ZVH for the measurement. You can also skip the
calibration, if you have performed the appropriate calibration already.
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 reflection measurement
► Press the MEAS key.
► Press the "Reflection S11" or "Reflection S22" softkey for reflection measurements
on port 1 or reflection measurements on port 2.
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.
See “Measuring the Transmission” for more information.
Define the frequency parameters
Before calibrating the measurement, you should define the frequency parameters to
avoid interpolation of the results.
► Press the FREQ/DIST key.
The R&S ZVH opens an input field to set the center frequency.
► Enter a frequency of 1950 MHz.
► Press the FREQ/DIST key.
► Press the “Span" softkey.
The R&S ZVH opens an input field to define the span.
► Enter a span of 130 MHz to get a high resolution of the results.
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