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    %% Read a File as Z-parameters, Extract Z11 and Plot
% 
%
%% Read defaultbandpass.s2p and convert to Z-parameters
%

% Copyright 2015 The MathWorks, Inc.

Z = zparameters('defaultbandpass.s2p')
%% Extract Z11
%
z11 = rfparam(Z,1,1);
%% Plot the imaginary part of Z11
%
  plot(Z.Frequencies, imag(z11))