Agilent Technologies 8753ET User Manual page 62

Network analyzers

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Table of Contents

Making Measurements

Measuring Electrical Length and Phase Distortion

Group delay is calculated by dividing the phase difference between points by the frequency

spacing. Thus, if n equals the number of points, the number of phase difference values (or

frequency segments) will be n−1. The ﬁrst data point is repeated so that the total number

of points remains n.