Group delay of a filter

This graph shows the group delay of a Butterworth filter, after equalization by a four poles GD equalizer (constant amplitude network).

The "Minimax" module of Radiosim has been used to tune the equalizer cells to a flat ceiling over 10 MHz.

groupdelay.gif (4546 octets)

Other examples : Fresnel plan          Eye diagram      Group delay of a feeder    Interferences
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