Tuesday, 28 March 2017

LAB6:-Design of Chebyshev Filter

The aim of this experiment was to design a Chebyshev filter using Scilab software.Passband attenuation and frequency (Ap,Fp)  and Stopband attenuation and frequency (As,Fs) were given as input parameters to the filter design.The sampling frequency was set greater than 5 times max(Fs,Fp) .The magnitude response of the filter was plotted with frequency in Hz and Magnitude in dB.Ripples were observed in the pass band and the number of extremes in the ripples corresponded to the order of the filter.
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7 comments:

  1. Unknown25 April 2017 at 21:57

    Chebyshev Filter requires less hardware.

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    Replies
    1. Unknown25 April 2017 at 22:58

      Yes agreed..in some applications it requires less parameters.

      Delete
  2. Unknown25 April 2017 at 23:08

    There are ripples in pass band and monotonic in stop band.

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  3. Unknown28 April 2017 at 05:10

    So If order is 5 no of ripples is 5 measured from the first peak.

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  4. Akash Bangera28 April 2017 at 05:15

    High order filter gives accurate results but is computationally tedious

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  5. Unknown28 April 2017 at 05:28

    Chebyshev 2 has ripples in stopband.

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  6. Tony28 April 2017 at 06:10

    No of ripples equals order number

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