Answered: 7. Using two multipliers with…

7. Using two multipliers with attenuation factor (k) and one op-amp, design a circuit having two different inputs (Vx, Vy) in order to obtain an output given by the equation: Vou= -KV? / Vx

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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Thermistors

A thermistor is a special type of resistor whose resistance is more temperature-dependent than standard resistors. The resistance of the thermistor decreases with increasing temperature. This is the basic principle of thermistors. This allows the thermistor circuit to detect very small temperature changes that cannot be observed with the Resistance temperature detectors (RTDs) or the thermocouples. Since the resistance of a thermistor is temperature dependent, it can be connected to an electrical circuit to measure body temperature. This high sensitivity to temperature changes makes thermistors very useful for accurately controlling and calibrating temperature measurements. In general, resistance increases with increasing temperature in most metals, but thermistors react negatively.

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7. Using two multipliers with attenuation factor (k) and one op-amp, design a circuit
having two different inputs (Vx, Vy) in order to obtain an output given by the
equation: Vou= -KV / Vx.

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