Concepts and Features
R&S
®
ZNB/ZNBT
242
User Manual 1173.9163.02 ─ 53
analyzer (N'>N) without modifying the instrument itself. The increased number of test
ports can reduce or even eliminate the manual reconnections of the DUT, resulting in a
higher measurement speed, reliability and repeatability.
The firmware of the R&S
ZNB/ZNBT is able to control switch matrices from Rohde &
Schwarz directly. For example, a 4-port R&S
ZNB8 in combination with two R&S
ZN-
Z84 can work as a multi-port network analyzer with up to 48 ports, seamlessly perform-
ing the required matrix switching operations.
Figure 5-19: R&S
ZNB connected to two R&S ZN-Z84, each equipped as 2x24 matrix
While it is allowed to connect multiple matrices to a R&S
ZNB/ZNBT, matrix cascading
is
not
supported.
Operation with
not
supported across switch matrices.
However, an N-port analyzer is always limited to measuring N signals simultaneously.
I.e. even though the DUT is fully connected to the switch matrix, it may not be possible
to measure all b-waves simultaneously. For example, consider a DUT with 6 unbal-
anced ports, connected to a 2-port analyzer via a 2x6 matrix (e.g. a R&S ZN-Z8x base
Optional Extensions and Accessories
