Sweep Mode R&S SMB
1407.0806.32 4.44 E-2
Sweep Mode
The R&S SMB Signal Generator offers three different sweep types (frequency sweep, level sweep and
LF sweep) to be activated alternatively. Each type has 6 modes which differ with respect to the sweep
cycle mode (continuous, individual and step-by-step) and triggering mode (automatic, internal and
external).
The LF sweep is activated and configured in the Mod Gen block.
A sweep is set in five basic steps which are shown below taking a frequency sweep as an example:
1. Set the sweep range (Start Freq and Stop Freq or Center Freq and Span).
2. Select linear or logarithmic sweep spacing (Spacing).
3. Set the step width (Step Lin/Log) and dwell time (Dwell Time).
4. Activate the sweep (Mode to Auto, Single, Step or Extern Single, Extern Step).
5. Trigger the sweep, except for Auto mode (Execute Single Sweep, Current Frequency or
External Trigger Signal).
Notes:
It is recommended to switch off the GUI update (Setup menu) for optimum sweep performance
especially with short dwell times.
Frequency Sweep Menu
The Frequency Sweep menu is opened in the RF function block or in the menu tree of the MENU key
under RF Signal.
In the top section of the menu, the RF sweep mode is activated and the sweep mode is selected.
The buttons are used to reset the RF sweep (all sweep modes) or to execute the RF sweep (Single
mode).
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