b. A recursive Infinite Impulse Response (IIR) filter block diagram is given in figure 1 (different figures will be given) representation of the discrete-time system described by the input-output relation. Analyzing the basic building blocks and determine the difference equation. x[n} bo → y[n] z-1 z-1 b z-1 b2

b. A recursive Infinite Impulse Response (IIR) filter block diagram is given in figure 1 (different figures will be given) representation of the discrete-time system described by the input-output relation. Analyzing the basic building blocks and determine the difference equation. x[n} bo → y[n] z-1 z-1 b z-1 b2

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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.20 There are two types of feedback, negative and positive. In this problem we explore their differ- ence. (a) Consider negative feedback. Suppose you have a system with transfer function H(s)= Y (s)/E(s) where E(s) = C(s) – Y (s), and C(s) and Y (s) are the transforms of the feed- back system's reference c(t) and output y(t). Find the transfer function of the overall system G(s) =Y(s)/C(s). (b) In positive feedback, the only equation that changes is E(s)= C (s) + Y (s), the other equations remain the same. Find the overall feedback system transfer function G(s) = Y (s)/C(s). (c) Suppose that C(s) = 1/s, H (s) = 1/(s+1) determine G(s) for both negative and positive feedback. Find y(t) = L¯'[Y (s)] for both types of feedback and comment on the differ- ence in these signals. Answers: Positive feedback: G(s) = H(s)/(1 – H(s)).
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The filtering stage of a biomedical device passes signals with frequencies ranging between 20Hz and 500Hz while the stage delivers a total gain of 48.Design the electronic circuit of the filtering stage using appropriate numbers ofoperational amplifiers, resistors, and capacitors.N.B.: The filters are all 1st order active filters and the maximum possible gain is limited to 10for a single amplifier.
5
6 - Forward path transfer function is applied to the input of a negative unit feedback system given as below, and the overrun rate at the output of the system is given as% OS = 5.4%. K G(s) = s(s +1) In this case, what is the damping rate of the system? A) 0.63 B) 0.57 C) 0.61 D) 0.68 E) 0.55
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