The oversampling technique for analog to digital conversion: A tutorial overview

Oversampled technique has received wide attention in the VLSI implementation of analog to digital interface. The technique relies on the fundamental principle of trading off temporal resolution with amplitude resolution. This trade-off allows the ADC (Analog to Digital Converter) to achieve resolution beyond the limitations imposed by the matching tolerance of fine line VLSI technology. In addition it simplifies the overall system design by relaxing the front end anti-aliasing requirement.

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