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The output of a measurement device (sensor/transducer) is in the mV range. The data acquisition system has an input range of 0 V to 10 V. You have found that the measurement device's output is 135 mV at nominal. You need to take full advantage of the voltage range of the data acquisition system, so you decide the transducer's voltage into the DAQ is 6.85 V.

The output of a measurement device (sensor/transducer) is in the mV range. The data acquisition system has an input range of 0 V to 10 V. You have found that the measurement device's output is 135 mV at nominal. You need to take full advantage of the voltage range of the data acquisition system, so you decide the transducer's voltage into the DAQ is 6.85 V.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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PROBLEM 5: The output of a measurement device (sensor/transducer) is in the mV range. The data acquisition system has an input range of 0 V to 10 V. You have found that the measurement device's output is 135 mV at nominal. You need to take full advantage of the voltage range of the data acquisition system, so you decide the transducer's voltage into the DAQ is 6.85 V. To implement a signal conditioning circuit, you decide to use an inverting op amp configuration. You build the circuit and test it with a digital voltmeter. a. Determine the amplifier gain. b. Determine R₂ if R₁ is 470 02. c. Draw the voltmeter's leads such that the meter reads 6.85 V. R₁ 1+ R₂ eo + 6.85 V
Transcribed Image Text:PROBLEM 5: The output of a measurement device (sensor/transducer) is in the mV range. The data acquisition system has an input range of 0 V to 10 V. You have found that the measurement device's output is 135 mV at nominal. You need to take full advantage of the voltage range of the data acquisition system, so you decide the transducer's voltage into the DAQ is 6.85 V. To implement a signal conditioning circuit, you decide to use an inverting op amp configuration. You build the circuit and test it with a digital voltmeter. a. Determine the amplifier gain. b. Determine R₂ if R₁ is 470 02. c. Draw the voltmeter's leads such that the meter reads 6.85 V. R₁ 1+ R₂ eo + 6.85 V
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