A temperature sensor has sensitivity of 6.3 mV/0C, has no offset, and is designed to measure temperatures between 00C and 1500C. An amplifier takes the signal from the sensor and converts it to a form suitable for driving a measurement instrument at its output. The instrument requires an input voltage of 10.5 V to produce the full-scale deflection on the meter. The full-scale deflection should correspond to a temperature of 1000C. The output resistance of the sensor is 200 Ω. The input resistance of the voltmeter is 9.1 kΩ. The amplifier subsystem has an input resistance of 5.1 kΩ and an output resistance of 50 Ω. The open circuit voltage gain A may be adjusted over a wide range of values, as required. Calculate the required open-circuit voltage gain for the amplifier (to 1 d.p.).
A temperature sensor has sensitivity of 6.3 mV/0C, has no offset, and is designed to measure temperatures between 00C and 1500C. An amplifier takes the signal from the sensor and converts it to a form suitable for driving a measurement instrument at its output. The instrument requires an input voltage of 10.5 V to produce the full-scale deflection on the meter. The full-scale deflection should correspond to a temperature of 1000C. The output resistance of the sensor is 200 Ω. The input resistance of the voltmeter is 9.1 kΩ. The amplifier subsystem has an input resistance of 5.1 kΩ and an output resistance of 50 Ω. The open circuit voltage gain A may be adjusted over a wide range of values, as required. Calculate the required open-circuit voltage gain for the amplifier (to 1 d.p.).
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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A temperature sensor has sensitivity of 6.3 mV/0C, has no offset, and is designed to measure temperatures between 00C and 1500C. An amplifier takes the signal from the sensor and converts it to a form suitable for driving a measurement instrument at its output. The instrument requires an input voltage of 10.5 V to produce the full-scale deflection on the meter. The full-scale deflection should correspond to a temperature of 1000C.
The output resistance of the sensor is 200 Ω. The input resistance of the voltmeter is 9.1 kΩ. The amplifier subsystem has an input resistance of 5.1 kΩ and an output resistance of 50 Ω. The open circuit voltage gain A may be adjusted over a wide range of values, as required.
Calculate the required open-circuit voltage gain for the amplifier (to 1 d.p.).
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