Instrument Function
R&S
®
SMU200A
369Operating Manual 1007.9845.32 ─ 15
SCPI command:
[:SOURce<hw>]:BB:DM:PRAMp:FDELay on page 643
Attenuation - Power Ramp Control - Digital Modulation
Sets the level attenuation relative to the average level for the signal ranges in which the
level is set to "attenuated" (LEV_ATT control signal).
The LEV_ATT control signal is defined in "the Control Data Editor" or supplied via the
LEV_ATT pin on the AUX I/O interface.
In case of two-path instruments, the LEV_ATT control signal is supplied via the LEV_ATT
pin for path A or via a user-defined USER pin for path B.
SCPI command:
[:SOURce<hw>]:BB:DM:PRAMp:ATTenuation on page 642
Baseband Only - Power Ramp Control - Digital Modulation
Restricts power ramping to the baseband signal.
"Off"
Level attenuation is effected via the attenuator stages in the RF section;
only the remaining part is attenuated in the baseband. The signal is
issued at the RF output with the defined level values.
"On"
Level attenuation is effected in the baseband only.
This setting is mandatory in the following cases: When only the baseband
signal is issued at the I/Q outputs. It is thus ensured that, with power
ramping active, this signal is output with the defined level values.
In case of two-path instruments, when a baseband signal is applied to
two RF paths. The RF paths having separate frequency and level set-
tings, the remaining attenuation to be effected in the baseband would
have to be different for the two paths and is therefore not possible.
SCPI command:
[:SOURce<hw>]:BB:DM:PRAMp:BBONly[:STATe] on page 643
Trigger/Marker/Clock
The "Trigger/Marker/Clock" dialogis accessed via the "Custom Digital Modulation" main
menu.
Baseband Signal - Baseband Block
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