EXERCISE 3.2 1. (a) Draw the block diagram of the feedback system and derive an equation to show that negative feedback reduces the gain of an amplifier. (b) Figure Q1(b) shows an equivalent circuit of a feedback amplifier having the following values: V,= 50 mV, V = 48 mV and V, =5 V. Determine (i) the feedback topology used. (ii) the value of A,, Ay and B. (ii) If R; = 10 kQ, Z, = 10 k2 and Z, = 1 kN, find R1, Zyand Zaf. Ve Z, Vi A,V, ww Figure 1(b)

EXERCISE 3.2 1. (a) Draw the block diagram of the feedback system and derive an equation to show that negative feedback reduces the gain of an amplifier. (b) Figure Q1(b) shows an equivalent circuit of a feedback amplifier having the following values: V,= 50 mV, V = 48 mV and V, =5 V. Determine (i) the feedback topology used. (ii) the value of A,, Ay and B. (ii) If R; = 10 kQ, Z, = 10 k2 and Z, = 1 kN, find R1, Zyand Zaf. Ve Z, Vi A,V, ww Figure 1(b)

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.3P

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