1.

If H(s) is the transfer function of a analog low pass normalized filter and u is the desired pass band edge frequency of new low pass filter, then which of the following transformation has to be performed?

A. s s/ <sub>u</sub>
B. s s. <sub>u</sub>
C. s <sub>u</sub>/s
D. none of the mentioned
Answer» B. s s. <sub>u</sub>


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