Getting Started
R&S
®
ZNA
90User Manual 1178.6462.02 ─ 29
Figure 3-16: Standard arrangement for 4 external test sets
For both outer test sets, a cable deflector is mounted on the connector panel. Semi-
rigid cables redirect the corresponding RF connectors towards the VNA.
Test port
1 mm (m) connector on the front side of the diplexer, serves as an output for RF stimu-
lus signals and as an input for the measured RF signals from the DUT (response sig-
nals).
●
With a single external test set, you can generate a stimulus signal and measure the
reflected response signal.
●
With n = 2, 3, 4 external test sets, a full n-port measurement is possible.
Maximum input level, mechanical damage
Do not exceed the damage level at the test port according to the data sheet, especially
when using active DUTs or external amplifiers.
To avoid mechanical damage when connecting devices to the 1 mm connector, always
use the torque wrench supplied with the R&S ZNA67EXT. See Table 3-7.
H/L SWITCH
The H/L SWITCH connectors on the top side of each diplexer are input connectors for
the User Port signals from the R&S ZNA67; see Chapter 3.5.6.3, "Diplexer control",
on page 98. They allow the VNA firmware to switch the diplexer from low to high fre-
quency mode and vice versa.
Getting started with R&S
ZNA67EXT
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