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Improved PWM A/D conversion technique: working principle and model validation
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Resumo(s)
Analog-to-digital conversion plays a central role in any application of digital sensors and
sensor systems that require an interface between analog devices, namely analog sensors,
and digital devices, namely, microprocessors, digital signal processors or microcontrollers.
With the advent of smart sensing, the integration of signal conditioning, analog-to-digital
and digital data processing in single hardware devices became a reality. Moreover, the
usage of low-cost discrete A/D conversion techniques for applications that are not critic in
terms of accuracy, resolution or conversion rate, are considering increasingly mixed
hardware and software A/D solutions tailored for specific application demands. In this
context, this chapter presents a discrete low-cost A/D conversion solution based on pulse
width modulation particularly suited for microcontrollers' integration with smart sensing
devices.
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Contexto Educativo
Citação
Pereira, J. M. (2020). Improved PWM A/D conversion technique: Working principle and model validation. In Sergey, Advances in Sensors: Reviews, vol. 7. IFSA Publishing.