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Concepts and Features
R&S
®
ZNA
139
User Manual 1178.6462.02 ─ 12
Adapter Removal
is an extension of the
2-port
UOSM calibration. It requires two addi-
tional reflection OSM calibrations with the adapter successively connected to port 1
and port 2.
Figure 5-7: Adapter Removal vs. UOSM
The obtained adapter characteristics are mathematically removed from the obtained
error coefficients. Uncertainties arising from a non-ideal characterization of the
Calibration