R&S FSH Digital Modulation Analyzer
Measurements on TD-SCDMA Signals
Operating Manual 1173.6275.12 - 30 307
9.7.6.7 Selecting a Code Channel
The "Code Domain Analyzer" contains results for a particular code channel. By default,
the R&S FSH shows the results for the first active code channel in the analyzed time
slot.
► Press the MEAS key.
► Press the "Display Settings" softkey.
► Select the "Code Channel" menu item.
The R&S FSH opens an input field to select a code channel.
► Enter the number of the code channel you want to analyze.
The R&S FSH adjusts the results accordingly.
The bar of the currently selected code channel is highlighted in red.
9.7.6.8 Selecting the Phase Characteristics of the Code Channels
The phase of the code channels is either fixed or arbitrary.
► Press the MEAS key.
► Press the "Signal Settings" softkey.
► Select the "Fixed" or the "Arbitrary" menu item.
In "Fixed" mode, the phase of all code channels has to be the same.
In "Arbitrary" mode, the phase of the code channels is allowed to rotate.
9.7.6.9 Selecting the Unit of the Carrier Frequency Error
If possible, you should synchronize the receiver and the transmitter.
The carrier frequency error can have the unit Hz or ppm.
► Press the MEAS key.
► Press the "Display Settings" softkey.
► Select the "Hz" or "ppm" menu item.
The R&S FSH shows the carrier frequency error in the unit you have selected.
9.7.6.10 Selecting the Unit for EVM Results
EVM results are usually calculated either in % or in dB.
► Press the MEAS key.
► Press the "Display Settings" softkey.
► Select either the "%" or "dB" menu item.
The R&S FSH shows the EVM in the unit you have selected.
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