Rohde & Schwarz R&S SMW200A - Page 267

Configuring the Internal Baseband Source
R&S
®
SMW200A
267User Manual 1175.6632.02 ─ 30
3. If higher-order modulation is required, select for example "Modulation > Modulation
Type > PSK > QPSK".
Settings:
Data Source................................................................................................................ 267
Select Data List...........................................................................................................268
Select Control List.......................................................................................................268
Settings for Data Source = External............................................................................269
└ Receiver State.............................................................................................. 269
└ Clock Input Slope..........................................................................................270
└ Bit Clock Slope..............................................................................................270
└ Bit Order........................................................................................................270
└ Clock to Data Time Deviation....................................................................... 270
└ Throughput Delay......................................................................................... 270
└ Graphical illustration of the timing ratios between the data and clock signals
......................................................................................................................271
Connector Settings......................................................................................................271
Data Source
Selects the data source (see Chapter 5.5.1.1, "Data, Clock and Control Signals and
Sources in the Baseband", on page 224).
The following data sources are available:
"All 0, All 1"
A sequence containing 0 data or 1 data is internally generated.
"PRBS, PRBS Type"
Selects internally generated PRBS data in accordance with the IUT-T.
Use the parameter "PRBS Type" to define the length.
Remote command:
[:SOURce<hw>]:BB:DM:PRBS[:LENGth] on page 994
Generating Custom Digital Modulated Signals