1. (а) 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, Vµ= 48 mV and V, = 5 V. Determine (i) the feedback topology used. (ii) the value of A, Af and ß. (iii) If R2= 10 kN, Z; = 10 k2 and Z, = 1 k2, find R1, Zjand Zof. Zy Vs o Va Z. A,V ww R2 Figure 1(b)

1. (а) 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, Vµ= 48 mV and V, = 5 V. Determine (i) the feedback topology used. (ii) the value of A, Af and ß. (iii) If R2= 10 kN, Z; = 10 k2 and Z, = 1 k2, find R1, Zjand Zof. Zy Vs o Va Z. A,V ww R2 Figure 1(b)

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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