6 Input/Output
6.4 Data Source
How to Record and Playback I/Q Data
In several Demod measurements (and certain other measurements), it is possible to
record I/Q data to files on your hard drive or network, and then recall these files for
subsequent playback. These are the measurements shown in the table above with
an “x” in the File column.
The Recording and Playback of signal data files is a multi-step process which
involves controls in several menus (listed below).
Menus involved in Record/Playback:
–
Save, Recording (under the Save hardkey or the Save icon in the File panel)
–
Recall, Recording (under the Recall hardkey or the Recall icon in the File panel)
–
Sweep, Recording tab
–
Sweep, Playback tab
–
Input/Output, Data Source tab (this tab)
Saving a Recording
When you save a recording, a certain number of measurement records are saved to
a Recording file. The amount of data that is saved varies depending on the
measurement and measurement settings. The following example uses VMA Digital
Demod to illustrate the process.
Short Range Comms & IoT Mode User's &Programmer's Reference 2102
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