A displacement sensor has a sensitivity of 0.3 mV/mm and is used to measure displacements of up to 1m. The output resistance of the sensor is 200Ω. The sensor is connected to an amplifier that converts the displacement sensor signal to a form suitable for driving a voltmeter at its output. The voltmeter has an input resistance of 1kΩ. The voltmeter requires an input voltage of 6V for the full-scale deflection. The meter scale is marked linearly such that full-scale deflection corresponds to 1m. The amplifier subsystem has an input resistance of 2kΩ and an output resistance of 100Ω. The open circuit voltage gain Av may be adjusted over a wide range of values, as required. Sketch the equivalent circuit of this system, correctly annotating all components in it with their values.

A displacement sensor has a sensitivity of 0.3 mV/mm and is used to measure displacements of up to 1m. The output resistance of the sensor is 200Ω. The sensor is connected to an amplifier that converts the displacement sensor signal to a form suitable for driving a voltmeter at its output. The voltmeter has an input resistance of 1kΩ. The voltmeter requires an input voltage of 6V for the full-scale deflection. The meter scale is marked linearly such that full-scale deflection corresponds to 1m. The amplifier subsystem has an input resistance of 2kΩ and an output resistance of 100Ω. The open circuit voltage gain Av may be adjusted over a wide range of values, as required. Sketch the equivalent circuit of this system, correctly annotating all components in it with their values.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter9: Measuring Instruments

Section: Chapter Questions

Problem 5RQ: 5. Name two methods used to make a DC multirange ammeter.

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