Configuring the Internal Baseband Source
R&S
®
SMBV100B
135
User Manual 1178.4460.02 ─ 03
c) To remove a ramp, place the cursor at the desired ramp position. Press the
[Backspace] key.
d) For faster marker and control signal definition, use the predefined ramp func-
tions ("Preset Type"). Apply them with "Preset".
e) If necessary, readjust the ramps with the help of the "Edit" function.
f) Define the "Total List Lenght".
g) To display only a part of the control list, set the "Visible/Bits Visible" to deter-
mines the number of displayed symbols/bits.
Select "Zoom" to focus the displayed area around the current "Cursor Position".
Ramps outside the displayed area are not lost.
Figure 3-10: Example of control list settings
3. Select "Save" or "Save As" to store the used settings as a control list file.
The created file is an ASCII file with the extension
*.dm_iqc
Enable the instrument to use the control list, e.g. for the marker and/or other con-
trol signals.
Enabled control signals are indicated as active in the "Configure Control Signal"
section.
How to assign and activate control signals from a control list
Irrespectively on the way they are created, generated control lists are not automatically
used.
To use a marker/control signal from a control list and to output this signal at the suppor-
ted connector, perform the following:
1. Enable the R&S
SMBV100B to use the control list for marker output 2.
Output this signal at the User2 connector:
Generating Custom Digital Modulated Signals
