5-6
Optimizing Measurement Results
Increasing Measurement Accuracy
You can activate a port extension by pressing
. Then enter the delay to the reference plane.
Tab le 5-2 Differences between PORT EXTENSIONS and ELECTRICAL DELAY
PORT EXTENSIONS ELECTRICAL DELAY
Main Effect The end of a cable becomes the test
port plane for all S-parameter
measurements.
Compensates for the electrical
length of a cable. Set the cable's
electrical length 1 for
transmission. Set the cable's
electrical length 2 for reflection.
Measurements Affected All S-parameters. Only the currently selected
S-parameter.
Electrical Compensation Intelligently compensates for 1
times or 2 times the cable's
electrical delay, depending on which
S-parameter is computed.
Only compensates for electrical
length.
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