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Magnetic Field Sensors

Thu, 05/27/2004 - 1:09pm

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Containing two sensitive magnetic field sensors, the ZMX40M accurately measures linear position and high voltage current. Thin film permalloy stripes covering each sensor chip form a Wheatstone bridge. This provides an output voltage proportional to the magnetic field (Hy) running the length of the SM8 package. Internal permanent magnets create a perpendicular field (Hx) that suppresses hysteresis and biases the sensor in their linear region. The ZMX40M can resolve distances down to 30μm in toothed wheel automotive and machine tool applications.

Zetex, Inc.

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