Analog Modulations
R&S
®
SMA100B
76
User Manual 1178.3834.02 ─ 03
Interactions and characteristics
●
Some modulations exclude each other and cannot be performed simultaneously.
See
Chapter 4.8.1, "Simultaneous Operation of Several Modulations"
●
The settings of the modulation signal affect all analog modulations that use an
internal modulation source.
●
In sweep mode, LF frequency sweep is possible.
4.3 Activating Analog Modulations
► Use one of the following:
● Select "Modulation > Amplitude Modulation/Frequency Modualtion/Phase Mod-
ualtion > State > On".
● Select "Modulation > MOD ON".
● Press the MOD ON/OFF key.
MOD ON/OFF
Activate one or more analog modulations and press the MOD ON/OFF key to toggle
the state of all them.
Pressing the key again restores the status that was active before the last switch-off.
Remote command:
[:SOURce<hw>]:MODulation[:ALL][:STATe]
4.4 Modulation Settings
Access:
► Select "Modulation" > "Modulation Sources".
The "Modulation" dialog contains all functions and settings to configure the analog
modulations, the LF signal sources for performing a modulation, and the LF signal
output.
The remote commands required to define these settings are described in:
●
Chapter 12.15.1.2, "SOURce:AM Subsystem"
●
Chapter 12.15.1.3, "SOURce:FM Subsystem"
●
Chapter 12.15.1.4, "SOURce:PM Subsystem"
●
Chapter 12.15.1.5, "SOURce:PULM Subsystem"
●
Chapter 12.15.5, "SOURce:LFOutput Subsystem"
Modulation Settings