Dyn-X Technology Explained

New Technology Increases the Dynamic Ranges of Data Acquisition Systems Based on 24-bit Technology

The linear operating range of high-quality measurement accelerometers and microphones has for many years been significantly better than that of the analog signal conditioning electronics and analog-to-digital converters (ADCs) of data acquisition systems.

This is despite the fact that data acquisition systems today are typically based on 24-bit ADCs, and theoretically able to handle signal dynamics of up to 146 dB. In practice however, most of these systems do not have a useful dynamic range higher than 100-110 dB. Consequently, system operators must be very careful in optimizing the signal chain dynamics in order to avoid overload and underrange situations.

This article describes the high dynamic ranges that can be achieved using today’s state-of-the-art designs.

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Article reproduced with kind permission from Sound & Vibration Magazine (http://www.sandv.com).