A negative voltage feedback amplifier has voltage gain without feedback, A, = 1000 and feedback fraction m=0.01. If the lower cutt-off frequency f₁ = 1.5 kHz and upper cut-off frequency f₂ = 501.5 kHz before feedback, what is the value of lower cutt- off frequency after negative feedback?

A negative voltage feedback amplifier has voltage gain without feedback, A, = 1000 and feedback fraction m=0.01. If the lower cutt-off frequency f₁ = 1.5 kHz and upper cut-off frequency f₂ = 501.5 kHz before feedback, what is the value of lower cutt- off frequency after negative feedback?

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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Question

A negative voltage feedback amplifier has
voltage gain without feedback, A, = 1000
and feedback fraction m, = 0.01. If the lower
cutt-off frequency f₁ = 1.5 kHz and upper
cut-off frequency ₂ = 501.5 kHz before
feedback, what is the value of lower cutt-
off frequency after negative feedback?

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