Concepts and features
R&S
®
ZNB/ZNBT
276User Manual 1173.9163.02 ─ 62
2-port VNA
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4 paths per transmission measurement for an N-port VNA with N≥4
4-port VNA
Route
11
Route
12
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21
Route
22
This kind of "multipath calibration" offers the following additional benefit:
During manual calibration, the measured reflection/transmission coefficients are pre-
sented as memory traces – one per path. By comparing these traces, it should be pos-
sible to track down hardware problems (cables, connectors, matrix, ...) already during
calibration.
4.7.30 External DLLs
The R&S ZNB/ZNBT firmware provides a plug-in interface that allows you to extend
the VNA firmware with custom functionality (measurements, device control, ...) .
Optional extensions and accessories
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