An operational amplifier (op-amp) is shown in Figure Q2(a). Given R; = 15 k2, Rf = 100 k2 and supply voltages as ±20 V. Assume that the comparator output has a loss of 1V. (i) Determine the upper trigger point (UTP) and lower trigger point (LTP) values. Sketch the output voltage waveform with respect to its input waveform by assuming that the input is a sinusoidal signal having peak-to-peak voltage, VPp = 20 V. (ii) (iii) Modify the circuit to provide trigger points that are not equal in magnitude (UTP # LTP). Re-sketch the schematic for the non-inverting circuit.

An operational amplifier (op-amp) is shown in Figure Q2(a). Given R; = 15 k2, Rf = 100 k2 and supply voltages as ±20 V. Assume that the comparator output has a loss of 1V. (i) Determine the upper trigger point (UTP) and lower trigger point (LTP) values. Sketch the output voltage waveform with respect to its input waveform by assuming that the input is a sinusoidal signal having peak-to-peak voltage, VPp = 20 V. (ii) (iii) Modify the circuit to provide trigger points that are not equal in magnitude (UTP # LTP). Re-sketch the schematic for the non-inverting circuit.

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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