Concepts and Features
R&S
®
ZNB/ZNBT
245
User Manual 1173.9163.02 ─ 53
Basically the same argument holds true for variant 16 of switch matrix ZV-Z82, which
consists of 4 separate 1x4 submatrices and that allows "inter-" but no "intra-submatrix"
transmission measurements.
ZNx
ZV-Z82-16
X
Figure 5-22: ZV-Z82-16: limited connectivity
5.7.22.4
Multiple Paths: Precision vs. Speed
A switch matrix may offer multiple routes to a given matrix test port and hence mea-
surements may be performed using different physical paths (where a
path
consists of
the traversed VNA connections and matrix routes).
These paths may have different characteristics - in particular if the corresponding
matrix routes differ in the number of semiconductor or mechanical switching functions
that have to be traversed.
Example:
For switch matrix ZV-Z82-09 every test port can be reached via two different routes,
traversing either one or two semiconductor switches:
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