(a) Show that the frequency response function of a second-order Butter worth filter is where f 3...
Question:
where f3 is the 3-dB frequency in hertz.
(b) Find an expression for the group delay of this filter. Plot the group delay as a function of f / f3.
(c) Given that the step response for a second-order Butter worth filter is
where u(t) is the unit step function, find the 10% to 90% rise time in terms of f3.
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a The poles for a second order Butter worth filter are given by where 3 is the 3dB cutoff ...View the full answer
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Related Book For 
Principles of Communications Systems, Modulation and Noise
ISBN: 978-8126556793
7th edition
Authors: Rodger E. Ziemer, William H. Tranter
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