IIR_2.m

function Hd = IIR_2(input)
%IIR_2 Returns a discrete-time filter object.

%
% M-File generated by MATLAB(R) 7.10 and the Signal Processing Toolbox 6.13.
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% Generated on: 25-Jan-2016 17:54:01
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% Butterworth Bandpass filter designed using FDESIGN.BANDPASS.

% All frequency values are in Hz.
Fs = input;  % Sampling Frequency

N   = 50;   % Order
Fc1 = 170;  % First Cutoff Frequency
Fc2 = 310;  % Second Cutoff Frequency

% Construct an FDESIGN object and call its BUTTER method.
h  = fdesign.bandpass('N,F3dB1,F3dB2', N, Fc1, Fc2, Fs);
Hd = design(h, 'butter');

% [EOF]