Analog modulations
R&S
®
SMB100B
111User Manual 1178.3711.02 ─ 08
2. In the status bar, set "Frequency = 6 GHz".
3. Set "Level = -25 dBm".
To configure the pulse generator
1. Select "Modulation" > "Pulse Generator".
2. Select "Pulse Mode = Train".
3. Select "Pulse Train Data".
Accesses the standard function for file handling.
4. Select an existing file or select "New" to create one.
5. Define the filename.
Select "Edit Pulse Train Data", if the file is empty or to control and change the val-
ues.
6. In the "Edit Pulse Train Data" dialog, enter the pulse on/off times and pulse repeti-
tion values.
For example:
● "On-Time = 500 us", "OFF-Time = 2 ms", "Count = 2"
● "On-Time = 100 us", "OFF-Time = 2.5 ms", "Count = 1"
● "On-Time = 10 us", "OFF-Time = 50 us", "Count = 10"
7. "Save" the file and close the dialog.
The instrument returns to the /var/user/ where it has saved the file.
8. Select the file in the directory.
9. Confirm with "Select".
10. In the "Pulse Generator" dialog, select "Pulse Output State = On".
11. Set "Trigger Mode = Auto".
In the "Pulse Graph" tab, you can view the generated pulse signal graphically.
To enable pulse train modulation
1. Select the "Pulse Modulation" tab.
2. Set "State = I".
3. Set "Level > RF ON" to enable signal output.
How to generate a pulse train modulated signal
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