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The signal from the transducer, or the analog signal, goes through a three way process before it can be viewed and provide meaningful information. See the process unfold by reading below!
AMPLIFICATION
An amplifier is used to intensify the analog signal given off by the transducer. This step is often rightly associated with signal processing because it takes a particular signal and amplifys it, making it more obvious and easy to gather data from later on.
SIGNAL PROCESSING
In this step, the raw or analog signal is converted to a digital numeric value. By filtering, amplifying, and cancelling the noise of the particular signal, the signal can be sent to a computer. The data acquisition system is responsible for converting the signal and processing it so that it will be able to convey measurements and detection to human understanding.
The three components below are needed to fully process to signal:
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SENSORS to convert the change into an electric signal
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SIGNAL CONDITIONING CIRCUITRY to convert the analog signal into a value
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ANALOG-TO-DIGITAL CONVERTORS to translate the electric signal to a value
RECORDING AND DISPLAY
Visual representation of biosensor data is crucial to inform the people on the results of an experiment, diagnostic test, or whatever else it may be. By installing many programs and softwares, researchers can collect, compare, and analyze the data produced. The long journey of the biosensor process ends here, where molecular interactions are finally transformed into quantitative data on a screen!
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