Output Section - Graphs


The graphical output from the Coupling Matrix Synthesis program is arranged as a number of tabbed panes, each displaying a certain combination of filter characteristics.
 
There are tabs for displaying the following parameters:
  • S-parameters, S11 (dB) and S21 (dB)
  • S-parameters, S11 (phase) and S21 (phase)
  • S-parameter, S21 (dB) and Group Delay
  • S-parameters, S21 (dB) and S21 (phase)
  • S-parameters (dB, angle) + group delay in tabular form vs. frequency 
S21 in dB versus group delay.

 

The 'hump' around the center frequency in the group delay characteristic, is the result of a pair of complex transmission zeroes.
 
The graphs can be arranged by changing the values on the axes.
Curve values can be red out by inserting markers.

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