(b) For a series shunt feedback system, the open loop gain Av and closed-loop gain Arof the amplifier are 100 and 50, respectively. Find the amplifier's input resistance and output resistance if the input and output resistances of the basic amplifier are Ri 15 kN and Ro = 40 k2 respectively. Also, find the closed-loop bandwidth if the open-loop amplifier bandwidth is 10 kHz. %3D

(b) For a series shunt feedback system, the open loop gain Av and closed-loop gain Arof the amplifier are 100 and 50, respectively. Find the amplifier's input resistance and output resistance if the input and output resistances of the basic amplifier are Ri 15 kN and Ro = 40 k2 respectively. Also, find the closed-loop bandwidth if the open-loop amplifier bandwidth is 10 kHz. %3D

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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Similar questions

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Find the loop gain, closed-loop current gain, input resistance, and output resistance for the shunt-series feedback ampliﬁer as shown, if R1 and R2 are increased in value by a factor of 10.
An amplifier has an open-loop gain of 92 dB, Rid = 75 kΩ, and Ro = 1400Ω. The amplifier is used in a feedback amplifier configuration with a resistive feedback network. (a) What is the largest value of current gain that can be achieved with this feedback amplifier? (b) What is the largest valuetransconductance that can be achieved with this feedback amplifier?
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