20 A feedback amplifier with a compensation cacacitor has a low-frequency loop gain of 100dB and three poles at fr1= 10Hz and fp2 = 5MHz, and fr3 = 10MHz. a) Find the frequency at which T = 1 b) If the frequency fr1 is due to a compensation capacitor CF=20pF, determine the dominant the new dominant pole fer and phase margin if the compensation capacitor is increased to CF = 75pF.

20 A feedback amplifier with a compensation cacacitor has a low-frequency loop gain of 100dB and three poles at fr1= 10Hz and fp2 = 5MHz, and fr3 = 10MHz. a) Find the frequency at which T = 1 b) If the frequency fr1 is due to a compensation capacitor CF=20pF, determine the dominant the new dominant pole fer and phase margin if the compensation capacitor is increased to CF = 75pF.

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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