Rohde & Schwarz SMM100A, User Manual

Page: 118 / 1088

Configuring the internal baseband source
R&S
®
SMM100A
118 User Manual 1179.1341.02 ─ 05
"User" Set automatically, this value indicates a modification made on at least
one of the parameters.
Use the "Save/Recall" function to save and recall customized set-
tings.
Remote command:
[:SOURce<hw>]:BB:DM:STANdard
on page 773
Symbol Rate
Selects the symbol rate. The value range of this parameter depends on the selected
modulation type; the range is automatically redefined.
An error message appears if the selected symbol rate is outside of the redefined
range. The symbol rate is set automatically to the maximum allowed value for the new
modulation.
Remote command:
[:SOURce<hw>]:BB:DM:SRATe
on page 773
Coding
Selects the coding (see Chapter 4.4.1.5, "Supported coding schemes" , on page 103).
The dialog shows only the coding settings that are permissible for the selected modula-
tion type and installed options (see
Table 4-8 ). All other coding methods are grayed
out.
A subsequent modification to a modulation type for which the selected coding is not
available, automatically disables the coding ("Coding = Off").
Remote command:
[:SOURce<hw>]:BB:DM:CODing
on page 778
Power Ramp Control
Accesses the power ramp control dialog, see Chapter 4.5.3.6, "Power ramp control
settings" , on page 125.
4.5.3.2 Trigger, marker and clock settings
These tabs provide standard settings.
For detailed description, see:
●
Chapter 4.4.2.1, "Trigger settings" , on page 109
●
Chapter 4.4.2.2, "Marker settings" , on page 112
●
Chapter 4.4.2.3, "Clock settings" , on page 114
●
Chapter 4.4.2.4, "Local and global connectors settings" , on page 114
4.5.3.3 Data source
Access:
► Select "Baseband > Custom Digital Mod > Data Source".
Generating custom digital modulated signals