3.9. Design a second-order digital bandpass Butterworth filter with a lower cutoff frequency of 1.9 kHz, an upper cutoff frequency of 2.1 kHz, and a passband ripple of 3 dB at a sampling frequency of 8,000 Hz. a. Determine the transfer function and difference equation. b. Use MATLAB to plot the magnitude and phase frequency responses. D. Design a second-order digital bandstop Butterworth filter with a center frequency of 1.8 kHz, a bandwidth of 200 Hz, and a passband ripple of 3 dB at a sampling frequency of 8,000 Hz. a. Determine the transfer function and difference equation. b. Use MATLAB to plot the magnitude and phase frequency

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
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8.9. Design a second-order digital bandpass Butterworth filter with a lower
cutoff frequency of 1.9 kHz, an upper cutoff frequency of 2.1 kHz, and
a passband ripple of 3 dB at a sampling frequency of 8,000 Hz.
a. Determine the transfer function and difference equation.
b. Use MATLAB to plot the magnitude and phase frequency
responses.
8.10. Design a second-order digital bandstop Butterworth filter with a center
frequency of 1.8 kHz, a bandwidth of 200 Hz, and a passband ripple of
3 dB at a sampling frequency of 8,000 Hz.
a. Determine the transfer function and difference equation.
b. Use MATLAB to plot the magnitude and phase frequency
responses.
2.44
Transcribed Image Text:8.9. Design a second-order digital bandpass Butterworth filter with a lower cutoff frequency of 1.9 kHz, an upper cutoff frequency of 2.1 kHz, and a passband ripple of 3 dB at a sampling frequency of 8,000 Hz. a. Determine the transfer function and difference equation. b. Use MATLAB to plot the magnitude and phase frequency responses. 8.10. Design a second-order digital bandstop Butterworth filter with a center frequency of 1.8 kHz, a bandwidth of 200 Hz, and a passband ripple of 3 dB at a sampling frequency of 8,000 Hz. a. Determine the transfer function and difference equation. b. Use MATLAB to plot the magnitude and phase frequency responses. 2.44
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