Concepts and features
R&S
®
ZNA
280User Manual 1178.6462.02 ─ 20
noisy results, so it is recommended to use the monitor signal as the reference signal in
this case.
●
Option R&S ZNAxx-B161 provides direct access for port 1 of a R&S ZNAxx.
●
Option R&S ZNAxx-B163 is available for 4-port models only. It provides direct
access for port 1 and port 3.
Direct source monitor access is only available for instruments with Direct generator/
receiver access. The unattenuated source signal is available via monitor ports below
the respective direct-access connectors. Simply by rejumpering the direct-access ports
from "Ref Out → Ref In" to "Src Mon Out → Ref In", the monitor signal can be used as
the reference signal:
Source
Ref Meas
Src
Mon
Out
Out
In
Src
Step
Att
Rec
Step
Att
Port
InOut
Ref Source Meas
Out
Out
In
In
Port y
Src Mon Out
Figure 4-37: Standard B16 jumpering
Optional extensions and accessories
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