List and sweep mode
R&S
®
SMB100B
138User Manual 1178.3711.02 ─ 08
"Auto"
Sets the RF output level automatically according to the selected
mode.
In this mode, the instrument provides the highest dynamic range and
fastest setting times, as specified in the data sheet.
The RF signal is shortly blanked when the step attenuator is switch-
ing.
"Uninterrupted"
Suppresses blanking at level transitions. Frequency transitions can
lead to an RF level blanking due to hardware specific switching
points.
This mode reduces the dynamic range of the instrument. The step
attenuator is fixed.
"Strictly Monotone"
Executes signal level changes monotonically increasing or decreas-
ing.
The setting makes sure that increasing the level value exclusively
results in an increased output level, and vice versa.
All electronic switches, which might affect the monotonicity are fixed.
The operation mode is useful for applications using level searching
algorithms which rely on a strictly monotonous behavior.
"Constant-VSWR"
Suppresses output impedance variations at the RF 50 Ω output con-
nector, due to changed level settings.
"User"
Indicates that a setting has been modified in the expert mode. The
expert mode is a protected function, that requires protection level 2
password.
Remote command:
[:SOURce<hw>]:POWer:LBEHaviour on page 494
Level Range
Shows the interruption-free range of the level that you can use in the currently selected
mode.
Remote command:
[:SOURce<hw>]:POWer:RANGe:LOWer? on page 499
[:SOURce<hw>]:POWer:RANGe:UPPer? on page 499
6.6 List mode settings
The "List Mode" dialog contains all the functions and settings for creating and handling
lists with RF frequency/level pairs including the corresponding dwell times for generat-
ing the RF signal based on these values.
List mode settings
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