Computation of Effective Number of Bits, Signal to Noise Ratio, Signal to Noise & Distortion Ratio Using FFT

This application notes discusses how to quantify errors in sampled data systems using several figures of merit based on frequency domain measurements.
Computation of Effective Number of Bits, Signal to Noise Ratio, & APPLICATION NOTE
Signal to Noise & Distortion Ratio Using FFT



February, 2011

Introduction
Summary
This application notes
Sampled data systems are expected to produce data that is a faithful
discusses how to quantify
reproduction of a continuous input signal. If perfect, the sequence of data
errors in sampled data
samples would exactly represent the voltage of the waveform sampled at
systems using several figures
the points in time where the samples are taken. A perfect sampled data
of merit