A temperature sensor produces an output of 100mV at 20°C and 200mV at 40°C.
The non-inverting configuration of the op-amp (shown below) is to be used.
The values of the Resistors used are such that the output voltage at 20°C will now be 1.1V.
What would the voltage of the output signal of the op-amp circuit be if the temperature around the sensor was now 40°C?
1
Expert's answer
2015-01-21T10:46:26-0500
A Non-inverting OperationalAmplifier gives the output voltage which can be obtained from the input voltage by multiplying it by some coefficient which is defined by values of the Resistors of a Non-inverting Operational Amplifier. This coefficient is constant for all input voltages. So since the sensor produces 2 times larger voltage at 40°C than at 20°C, the output signal of the op-amp circuit will also be 2 times larger than it was at 20°C. It means that the voltage of the output signal will now be 2.2V.
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