In this experiment digital filter was design using the analog filter. The transfer function was found using Laplace domain and using Bilinear Transform Method we got the transfer function in Z-domain. For both high pass filter and low pass filter poles lies in the unit circle. Response close to ideal filter were observed when order was in the range of 10 and above.
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ReplyDeleteMonotonic spectrum is observed.
ReplyDeleteGood
ReplyDeleteBUtterworth has no ripples
ReplyDeleteGroup delay largely frequency-dependent
ReplyDeleteZ transform is also used here
ReplyDeleteAnalog filter is required for designing
ReplyDeleteButterworth filter has no role in passband and stopband
ReplyDelete