Instrument Function
R&S
®
SMBV100A
386Operating Manual 1407.6062.32 ─ 08
Analog Wideband I/Q In and Baseband Input are not possible simultaneously and there-
fore switch each other off. In addition to the I/Q impairments in the Impairments block, it
is also possible to set analog I/Q impairments in the I/Q Modulator menu of the R&S
Signal Generator.
5.9.1 BB Input Block
Settings for frequency and phase offset are available in the "BB In/Out" function block or
in the "BB In/Out" menu which is opened using the MENU key.
The external baseband signal is activated by switching on in the "Baseband Input" set-
tings menu as well as by ticking the checkbox of the "BB In/Out" function block.
Select "Baseband Input Settings" in the menu to open the "Baseband Input Settings"
dialog (see chapter 5.9.1.1, "Baseband Input Settings Menu", on page 386). The menu
additioanlly provides access to the "Baseband Output Settings" dialog (see chapter 5.7,
"Digital I/Q Output Settings", on page 267) and the entry of frequency and phase offset.
5.9.1.1 Baseband Input Settings Menu
The settings for the external baseband signal are available in the "BB In/Out" function
block or in the "BB In/Out" menu which is opened using the MENU key.
Baseband Input General Settings
State
Switches On/Off the feeding of an external digital signal into the signal path.
Note: Analog signals are directly applied to the I/Q modulator. The settings are made in
the I/Q Mod menu (see section chapter 5.5, "I/Q Modulation - I/Q Mod
Block", on page 235).
External Baseband Signal - Baseband Input
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