SmartEdge Platform –Calibration & Measurement Accuracy Whitepaper

2022-02-10
The rapid acceptance of the Internet of Things is accelerating the growth of sensors connecting the physical world to the digital world. In the past,all this information was being processed at the cloud. The big driver is now with regard to edge computing and the requirement to process the data at the sensor edge. This is adding a lot of intelligence at edge node and in order to perform accurate sensor measurements here,it is necessary to perform some level of calibration.
Calibration must typically be applied to both the External Sensor and the Analog Front End, the example signal chain below shows the main components of a typical Analog Front End.

Renesas

SmartEdge PlatformAnalog Front End(AFE)Analog to Digital Converter (ADC)Programmable Gain Amplifier (PGA)TransimpedanceAmplifier (TIA)Digital to Analog Converter (DAC)

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English Chinese Chinese and English Japanese

Dec 22, 2021

Rev.1.1

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