Multi-Instrument Setups
R&S
®
SMW200A
649User Manual 1175.6632.02 ─ 30
To share common trigger signal:
●
Let one R&S SMW generate a dedicated signal that triggers all R&S SMW instru-
ments.
See Example "Triggering several R&S SMW instruments simultaneously"
on page 649.
●
Connect all instruments to a common external trigger source.
See Chapter 3.3.4, "Enabling and Configuring a Marker Signal", on page 63.
Example: Triggering several R&S SMW instruments simultaneously
This example shows you how to connect several R&S SMW, distribute the trigger sig-
nal generated by the first one (R&S SMW#1) and trigger the instruments simultane-
ously.
Required cabling and connections:
●
Connect the instruments in a star network, concerning the trigger signal.
That is, connect the USER 6 output of the R&S SMW#1 to the USER 3 input of all
other R&S SMW and the R&S SMW#1 itself.
●
Always use cables of the same length.
Use as short as possible cables.
T
= T-connector
1 = Trigger source (R&S SMW#1)
2, 3 = N number of instruments (R&S SMW#2 to R&S SMW#n)
USER x = Connectors
<- = Executes trigger manually
Required configurations:
●
In all R&S SMW:
– Use the default settings "User 3 > Direction = Input" and "Signal = Global Trig-
ger 1".
– Select "Baseband > ... > Trigger In > Trigger Source > Ext. Global Trigger 1".
●
In R&S SMW#1, set "System Config. > Setup > Global Connectors">"User
6">"Direction = Output".
Set "User 6 > Signal = Manual Trigger".
Generating Time-Aligned Baseband Signals
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