Signal Routing and System Configuration
R&S
®
SMW200A
201User Manual 1175.6632.02 ─ 30
Figure 4-26: Example of test setup: 1xR&S
SMW (R&S
SMWB9) and 1xR&S
SZU connected to the dif-
ferential I/Q outputs (rear panel view)
RF A = R&S SMW front panel connector
RF = RF signal at the R&S SZU output (front panel connector)
I/Q, I/Q Bar Out = Differential analog I/Q outputs
BB I/Q, BB I/Q Bar In = Differential analog I/Q inputs
USB = USB control signal for the USB connector of the R&S SMW to the USB Device con-
nector of R&S SZU
To connect and configure the R&S SZU to the R&S SMW, proceed as follows:
1. Use the cables supplied with the R&S SZU and connect the R&S SZU to the I/Q
and I/Q Bar output connectors of the R&S SMW.
2. Connect the RF A output to the LO IN of the R&S SZU.
3. Connect a USB cable to the USB connector and the USB Device connector of
R&S SZU.
4. Connect the R&S SZU to the power supply.
Note: Make sure that you keep the warm-up time.
5. At the R&S SMW, open the "Taskbar > System Config > System Configuration >
External RF und I/Q" dialog.
6. Select "I/Q OUT1 > External Instrument > Config".
The R&S SMW detects the R&S SZU automatically.
7. In the "External Instrument Configuration" dialog, select "External Instrument >
SZU (<Serial Number>)".
Set "I/Q Output Type > Differential".
How to Connect External Instruments and Configure the Signal Flow
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