Agilent Technologies ENA Series User Manual page 174

Calibration
Adapter Removal-Insertion
However, this method is not suitable for a multi-port network analyzer because it will
require as many sets of full 2-port calibration as twice the number of port combinations.
Hence, E5070B/E5071B uses the following adapter removal process to remove adapter
characteristics.
1. Perform calibration with the adapter in use.
2. Remove the adapter from the port and measure Open, Short and Load values to
3. Remove the obtained adapter characteristics form the error coefficients in a embedding
Figure 4-44 Adapter removal for E5070B/E5071B
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determine the adapter's characteristics.
fashion.
Chapter 4