Instrument Function
R&S
®
SMBV100A
178Operating Manual 1407.6062.32 ─ 08
Reverse Power Protection
The reverse power protection is tripped when the power of the external signal becomes
too high. A relay opens and interrupts the internal connection to the RF output. This
condition is indicated in the display header by the "OVERLOAD" status message.
Overload
If an "Overload" status message is indicated in the display header, reset the overload
protection by pressing the RF ON/OFF key.
The RF input is activated when the overload protection is reset.
SCPI command:
:OUTPut<hw>:PROTection:TRIPped on page 484
:OUTPut<hw>:PROTection:CLEar on page 484
:OUTPut<hw>[:STATe] on page 484
5.4.8.3 Power-On/EMF Settings
The power-on behavior of the R&S SMBV and the level display in the display header are
set in the "Power-On / EMF Settings" section of the "RF Level/EMF/ALC/UCOR" dialog.
To open the "RF Level/EMF" dialog, select "RF/A Mod > Configure > Level/EMF" or use
the MENU key under "RF/A Mod".
Power-On State - RF Signal
Selects the state which the RF output is to assume after the instrument is switched on.
"RF Off"
The output is deactivated when the instrument is switched on.
"Previous Set-
ting"
When the instrument is switched on, the output assumes the same state
as it had when the instrument was switched off.
SCPI command:
:OUTPut<hw>[:STATe]:PON on page 485
Display Level as Voltage of EMF - RF Level
Activates display of the signal level as voltage of the EMF (no-load voltage). If this setting
is deactivated, the level is displayed as a voltage over a 50 Ohm load (preset state).
SCPI command:
n.a.
5.4.9 Automatic Level Control - ALC
Your signal generator is equipped with an automatic level control unit to obtain best RF
level accuracy.
RF Signal and Analog Modulations - RF Block
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