Absolute Encoder Design: Magnetic or Optical?

By iC-Haus
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The angle resolution and accuracy of magnetic position encoders with a diametric magnet and central scanning Hall sensor IC are limited by the feasible depth of interpolation and available field quality. By scanning many sine periods per revolution, the resolution of optical position encoders is much higher. If magnetic pole wheels are used, this approach can also be applied to magnetic systems, but which system is better? Read More

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