Improving Level Performance
R&S
®
SMA100B
198User Manual 1178.3834.02 ─ 05
7.2.1 ALC Settings
Access:
► Select "Level" > "Automatic Level Control".
In the "ALC" dialog, you can configure the settings for the automatic level control of
the RF signal to achieve optimal accuracy.
The remote commands required to define these settings are described in Chap-
ter 13.16.11, "SOURce:POWer Subsystem", on page 629.
Settings
State............................................................................................................................198
Detector Sensitivity..................................................................................................... 198
State
Selects the internal level control mode.
Find further details about the individual settings in "ALC States and their effects"
on page 197. It covers an overview of the functionality and indicates what is to be con-
sidered.
"Auto"
Selects the most appropriate ALC mode automatically.
"On"
Activates ALC permanently.
"Off (Table)"
Controls the level using the attenuation values of the internal ALC
table.
"Table & On"
Starts with the attenuation setting from the table and continues with
automatic level control.
Remote command:
[:SOURce<hw>]:POWer:ALC[:STATe] on page 629
Detector Sensitivity
Determines the path of the internal level detector.
The level detector of the ALC has multiple paths distinguished by their sensitivity.
"Auto"
Selects the detector path automatically, according to the given level.
This mode is the recommended operation mode.
Automatic Level Control (ALC)
To Next Page
Loading...
