Configuring the internal baseband source
R&S
®
SMM100A
136
User Manual 1179.1341.02 ─ 05
4.5.4.2
How to create and assign a data list
The R&S
SMM100A provides the following ways to create a data list file:
●
and create a file with extension
*.dm_iqd
,
see
"To create data lists manually"
●
To use the tag-oriented format and create a data list file, see
●
To use SCPI commands and create a file in binary format, see
To create data lists manually
Use the intuitive build in
1. To access the "Data List Editor":
a) Select "Baseband > Custom Digital Mod > Data Source > Data List"
b) Select "Select Data List"
c) Navigate to the required directory, for example
/var/user/
.
Select "New" and enter "File Name" =
dl
.
The "Data List Editor" opens; the data list is empty.
2. Enter a sequence of 0 and 1, for example
01110101
.
Figure 4-11: Example of data list
3. Select "Save" to save the used settings as a data list file.
The instrument saves the
dl.dm_iqd
file in the
/var/user/
directory.
How to assign and activate data lists
Irrespectively on the way they are created, generated data lists are not automatically
used.
1. To enable the R&S
SMM100A to use the data list as data source for the custom
digital modulation:
a) Select "Baseband > Custom Digital Modulation > Data Source > Data List"
b) Select "Select Data List"
c) Navigate through the file system. Select the file and confirm with "Select".
Generating custom digital modulated signals
