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Dynamic Parameters for Digitizers/Oscilloscopes
Abstract
While sample rate and bandwidth are crucial for revealing a signals time and frequency content it’s the third parameter, resolution, which is the most vital for detecting amplitude changes and revealing waveform details. Unfortunately, many people confuse resolution with accuracy, precision and sensitivity. Users need to consider also a number of secondary specifications (typically called dynamic parameters) such as Signal to Noise Ratio (SNR), Spurious Free Dynamic Range (SFDR), Total Harmonic Distortion (THD) and Signal to Noise and Distortion Ratio (SINAD).
While sample rate and bandwidth are crucial for revealing a signals time and frequency content it’s the third parameter, resolution, which is the most vital for detecting amplitude changes and revealing waveform details. Unfortunately, many people confuse resolution with accuracy, precision and sensitivity. Users need to consider also a number of secondary specifications (typically called dynamic parameters) such as Signal to Noise Ratio (SNR), Spurious Free Dynamic Range (SFDR), Total Harmonic Distortion (THD) and Signal to Noise and Distortion Ratio (SINAD).
| Application: | Basics |
| Industry: | |
| Author: | Spectrum Instrumentation |
| External Link to complete AppNote/Whitepaper: | |
| https://spectrum-instrumentation.com/en/dynamic-parameters-and-waveform-digitizers | Published: | 03-06-2020 |
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