White Paper: Mechanical & Fluid Systems

How To Substantially Reduce Encoder Cost While Gaining Functionality With Multi-Turn Rotary Position Sensors

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New Technology Will Reduce Encoder Costs and Improve Performance. Rotation counters are required for many applications to count turns or measure angles greater than 360º. However the low-cost 10-or-more-turn potenti-ometers most design engineers are familiar with can’t always meet user require-ments for resolution and reliability. Alternatively, optical absolute encoders are too expensive for many applications.

Magnetoresistive technology adapted from the computer industry can be applied to multi-turn rotary position sensors to address and overcome these is-sues. This white paper describes how this newly applied technology works and provides enhanced capability unobtainable from other technologies.

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