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Agilent Technologies You can activate a port extension by pressing . Then enter the delay to the reference plane., Table5-2 Differences between PORT EXTENSIONS and ELECTRICAL DELAY

Models: 20ES 20ET 22ES 22ET 8719ES MODEL 8719ET

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Optimizing Measurement Results

Increasing Measurement Accuracy

You can activate a port extension by pressing . Then enter the delay to the reference plane.Table5-2 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 ele ctri ca l

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.

Cal

PORT EXTENSIONS

EXTENSIONS ON