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    %% Calculate S-Parameters of Transmission Line
% Analyze a general tranmission line of impedance, 50 ohms, phase velocity
% of 299792458 m/s, and line length of 0.01 meters for frequencises 1.0 GHz 
% to 3.0 GHz. 
trl = rfckt.txline;
f = [1e9:1.0e7:3e9];
analyze(trl,f)

%%
% Calculate the S11 and S22 parameters in dB.
[data,params,freq] = calculate(trl,'S11','S22','dB')