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CHEBYSHEV FILTER DESIGN

The aim of this experiment was designing analog and digital Chebyshev Filter .
 In this experiment we designed a digital Chebyshev filter from analog Chebyshev filter using BLT.
The input specifications were given as
(1) Pass band Attenuation (Ap)
 (2) Stop band Attenuation (As )
(3) Pass band Frequency (Fp) in Hz
(4) Stop band Frequency (Fs) in Hz
(5) Sampling Frequency in Hz
In the end we concluded that in both low pass and high pass filters, poles are inside the unit circle and hence they are stable. For low pass filter there is a definite zero at z=-1 while for high pass filter there is a definite zero at z=1. The values of Ap and As as input are approximately same.

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