Configuring the internal baseband source
R&S
®
SMM100A
128
User Manual 1179.1341.02 ─ 05
"Off"
Level attenuation is affected via the attenuator stages in the RF sec-
tion; only the remaining part is attenuated in the baseband. The sig-
nal is issued at the RF output with the defined level values.
"On"
Level attenuation is affected in the baseband only.
Note:
This setting is mandatory in the following cases:
●
When only the baseband signal is issued at the I/Q outputs
It is thus ensured that, with power ramping active, this signal is
output with the defined level values.
●
For two-path instruments, when one baseband signal is applied to
two RF paths.
Remote command:
[:SOURce<hw>]:BB:DM:PRAMp:BBONly[:STATe]
4.5.3.7
Data list editor
The R&S
SMM100A provides the following ways to create a data list file:
●
To use the dedicated "Data List Editor" 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
Access:
1. Select "Baseband > Custom Digital Mod > Data Source > Data List".
2. Select "Select Data List".
3. Navigate to the required directory.
Select "New" and enter a filename.
Generating custom digital modulated signals
