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Take-home first problem for Chem 5640:

A Fourier Transform-based infrared spectrometer (FTIR) uses an analog-to-digital converter (ADC) to convert the analog signal from the FTIR's detector into a digital signal. Which component of the FTIR is responsible for this conversion?

A) ADC
B) FTIR
C) Detector
D) Spectrometer

Answer :

Final answer:

The correct answer is option a. The component responsible for converting the analog signal from the FTIR's detector into a digital signal is the Analog-to-Digital Converter (ADC).

Explanation:

The component of the Fourier Transform based infrared spectrometer (FTIR) responsible for converting the analog signal from the FTIR's detector into a digital signal is the Analog-to-Digital Converter (ADC). In the FTIR system, the detector captures the infrared radiation that has interacted with the sample. This analog signal is then sent to the ADC, where it is converted into a digital signal for analysis and interpretation on a computer. The ADC plays a critical role in the functionality of the FTIR by enabling the digital processing of the signal, which includes applying the Fourier Transform to obtain the infrared spectrum of the sample.

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