Question 18 18. It is desired to design a high pass digital elliptic filter to pass input frequencies between w = .SSrr ana w = ri with a gain between O db and -2 db. For frequencies between w = O and w = ,4ri. the gain should not exceed -30 db. Determine the order of the normalized elliptic low-pass filter that is needed as part of the design process. Question 19 19. Referring to Question 18, after the appropriate normalized elliptic filter is obtained from a table, the next step is to transform the table filter to another low-pass filter by replacing each s with s/A. Determine the value of A. Question 20 20. Referring to Questions 18 and 19, the next step in this design problem is to map the low?pass filter obtained in Question 18 to a high-pass analog filter by replacing each s in H(s) with B/s. (This will produce the final analog filter that can be mapped to the desired digital filter using the s-to-z substitution of the bilinear transformation.) Determine the value of B.
Solution
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Question 18 18- It is desired to design a high pass digital elliptic f.docx
1. Question 18 18. It is desired to design a high pass digital elliptic filter to pass input frequencies
between w = .SSrr ana w = ri with a gain between O db and -2 db. For frequencies between w =
O and w = ,4ri. the gain should not exceed -30 db. Determine the order of the normalized elliptic
low-pass filter that is needed as part of the design process. Question 19 19. Referring to Question
18, after the appropriate normalized elliptic filter is obtained from a table, the next step is to
transform the table filter to another low-pass filter by replacing each s with s/A. Determine the
value of A. Question 20 20. Referring to Questions 18 and 19, the next step in this design
problem is to map the low?pass filter obtained in Question 18 to a high-pass analog filter by
replacing each s in H(s) with B/s. (This will produce the final analog filter that can be mapped to
the desired digital filter using the s-to-z substitution of the bilinear transformation.) Determine
the value of B.
Solution
will upload soon. technical problem
