The circuit in the following figure can be used to measure the in-car temperature. This circuit is designed to operate between -40 °C and +40 °C. The resistor R2 is a temperature dependent resistor (RTD). The relation between temperature and resistance (transfer function) can be approximated with the following linear equation: R2(T) = Ro(1 +aT), with Ro equal to 100 Q and a = 0.004/°C. The resistor R, has a fixed value (R,=Rok). (a) Find an expression for the output voltage. (b) Find the sensitivity of the sensor for a change in the temperature R Vo R,
The circuit in the following figure can be used to measure the in-car temperature. This circuit is designed to operate between -40 °C and +40 °C. The resistor R2 is a temperature dependent resistor (RTD). The relation between temperature and resistance (transfer function) can be approximated with the following linear equation: R2(T) = Ro(1 +aT), with Ro equal to 100 Q and a = 0.004/°C. The resistor R, has a fixed value (R,=Rok). (a) Find an expression for the output voltage. (b) Find the sensitivity of the sensor for a change in the temperature R Vo R,
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:The circuit in the following figure can be used to measure the in-car
temperature. This circuit is designed to operate between -40 °C and +40 °C. The resistor R2 is a
temperature dependent resistor (RTD). The relation between temperature and resistance (transfer
function) can be approximated with the following linear equation: R2(T) = Ro(1 +aT), with Ro equal to
100 Q and a = 0.004/°C. The resistor Rị has a fixed value (R,=Rok).
(a) Find an expression for the output voltage.
(b) Find the sensitivity of the sensor for a change in the temperature
R2% Vo
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