A Butterworth low-pass discrete filter of order N has been designed to satisfy the following specifications: Sampling
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A Butterworth low-pass discrete filter of order N has been designed to satisfy the following specifications:
Sampling period Ts =100 µ sec
αmax = 0.7 dB for 0 ≤ f ≤ fp = 1000 Hz
αmin = 10 dB for fst = 1200 ≤ f ≤ fs/2 Hz
What should be the new value of the stopband frequency fst so that an N order Chebyshev low-pass filter satisfies the design specifications for Ts, αmax, αmin, and fp.
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