Instrument Function
R&S
®
SMU200A
345Operating Manual 1007.9845.32 ─ 15
5.8.3.4 Baseband Filter - Custom Digital Mod
The R&S SMU offers a wide selection of predefined baseband filters. The filter charac-
teristic for the selected filter is displayed in the "More..." submenu in the "Filter" menu
section (see chapter 5.8.3.6.6, "Filter", on page 357). Additionally, a user defined filter
can be selected (see chapter 5.8.3.4.1, "User filter", on page 347).
The following table shows the filters that are available, together with the associated
parameters and IEC bus commands. The filter characteristic is displayed in graphical
form.
Table 5-10: Baseband filter
Cosine
Roll Off Factor
SOUR:BB:DM:FILT:TYPE COS
SOUR:BB:DM:FILT:PAR:COS
0.99
Root Cosine
Roll Off Factor
SOUR:BB:DM:FILT:TYPE RCOS
SOUR:BB:DM:FILT:PAR:RCOS
0.99
Gauss (FSK)
B x T
SOUR:BB:DM:FILT:TYPE GAUS
SOUR:BB:DM:FILT:PAR:GAUS
2.5
Pure Gauss
B x T
SOUR:BB:DM:FILT:TYPE PGA
SOUR:BB:DM:FILT:PAR:PGA
2.5
Gauss Linearized
SOUR:BB:DM:FILT:TYPE LGA
Edge Narrow Pulse Shape
SOUR:BB:DM:FILT:TYPE
ENPShape
Edge Wide Pulse Shape
SOUR:BB:DM:FILT:TYPE
EWPShape
cdmaOne
SOUR:BB:DM:FILT:TYPE CONE
cdmaOne 705 kHz
SOUR:BB:DM:FILT:TYPE
COF705
Baseband Signal - Baseband Block