Under what condition does the Butterworth lowpass filter given by the equation below become an ideal lowpass filter? (Discuss)
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Under what condition does the Butterworth lowpass filter given by the equation below become an ideal...
3. The below signal is to be passed through the ideal lowpass filter below after modulation. What is the maximum modulating frequency oe that can be used without distorting the signal? 10 Marks e(t) y(t) x(t) Lowpass Filter cos(wet) Carrier
3. The below signal is to be passed through the ideal lowpass filter below after modulation. What is the maximum modulating frequency oe that can be used without distorting the signal? 10 Marks e(t) y(t) x(t) Lowpass Filter cos(wet) Carrier
Design lowpass IIR filter with the following specifications: Filter order = 2, Butterworth type Cut-off frequency=800 Hz Sampling rate =8000 Hz Design using the bilinear z-transform design method Print the lowpass IIR filter coefficients and plot the frequency responses using MATLAB. MATLAB>>freqz(bLP,aLP,512,8000); axis([0 4000 –40 1]); Label and print your graph. What is the filter gain at the cut-off frequency 800 Hz? What are the filter gains for the stopband at 2000 Hz and the passband at 50 Hz based...
4. We wish to design a digital bandpass filter from a second-order analog lowpass Butterworth filter prototype using the bilinear transformation. The cutoff frequencies (measured at the half-power points) for the digital filter should lie at ω 5t/12 and ω-7t/12. The analog prototype is given by 1 s2+/2s+1 with the half-power point at 2 Determine the system function for the digital bandpass filter. a) b) Make the transfer from LPF to BPF in the analog domain Make the transfer from...
Problem 4. (6 marks) You are required to design a third-order Butterworth bandpass filter using ideal operational (6) Passband gain of 12 dB. (i) Lower cutoff frequency, f 6000 Hz. (ii) Upper cutoff frequency, u 12000 Hz. You are constrained to using 1 k? resistors in the lowpass filter and 10 nF capacitors in the highpass filter. Sketch the overall schematic design of your filter with all component values clearly labelled. You must show all of your work in obtaining...
(a) Given thatr)LH(s) and by making the link between the time-domain and frequency-domain responses of a network, explain in detail why the ideal "brick-wall" lowpass filter is not realisable in practice
(a) Given thatr)LH(s) and by making the link between the time-domain and frequency-domain responses of a network, explain in detail why the ideal "brick-wall" lowpass filter is not realisable in practice
Given an RC lowpass filter with R=200K and C=4uF and the bilinear transform equation as shown: 2 (1 – z-1) S=T. (1 + z-1) Calculate a discrete filter approximation using a bilinear transformation in terms of 7;
Oversampled ADC Problem:
Consider an ideal lowpass filter with a passband gain of A 2 1 and a cutoff frequency of e < f/2. For what value of Fe is the power gain equal to one
Consider an ideal lowpass filter with a passband gain of A 2 1 and a cutoff frequency of e
When converting a butterworth or chebyshev analog filter to an equivalent digital filter. What sort of criteria should you use when deciding which of these two filter types to use for a given filter?
1. Find the length of the lowpass FIR filter corresponding to the following specifications: wp- 0.3m ωs-0.4m, δp-0.01, and δ,-0.005. Use Kaiser's formula 4. Consider the design of a windowed FIR lowpass filter corresponding to the specifications given in problem #1. Determine its length if Hann, Hamming, and Blackman windows are used. Hint: refer to Equation 10.36 and Table 10.2 of the textbook. 5. With reference to the specifications in problem #1, consider the design of an FIR lowpass filter...
5.38 a,b,c
aliasing occur? (Justify your answer.) 5.38. An ideal lowpass digital filter has the frequency function H(2) given by H(n) (a) Determine the unit pulse response h[n] of the filter. (b) Compute the output response yln] of the filter when the input [n] is given by (i) x[n] = cos(m/8), n = 0, ±1, ±2, . . . (ii) x[n] = cos(3rm4) + cos(πη/16), n = 0, ±1, ±2,… (iii) x[n]-sinc(n/2), n-0, ±1,±2 (iv) x[n] = sine(n/4), n =...