Magnetic angle sensor
The utility model discloses a magnetic angle sensor, which comprises at least one magnetoresistive sensor, each magnetoresistive sensor is configured to generate a first sensing signal reflecting the angle of a magnetic field, and the period of the first sensing signal is 180 degrees; each Hall sens...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a magnetic angle sensor, which comprises at least one magnetoresistive sensor, each magnetoresistive sensor is configured to generate a first sensing signal reflecting the angle of a magnetic field, and the period of the first sensing signal is 180 degrees; each Hall sensor is configured to generate a second sensing signal reflecting the angle of the magnetic field, the period of the second sensing signal is 360 degrees, each magnetoresistive sensor is an AMR sensor, and each AMR sensor is of a Wheatstone full-bridge structure. A connecting line L1 of the center of the first Hall sensor and the center of the magnetoresistive sensor is perpendicular to a connecting line L2 of the center of the second Hall sensor and the center of the magnetoresistive sensor, and the distance from the center of the first Hall sensor to the center of the magnetoresistive sensor is equal to the distance from the center of the second Hall sensor to the center of the magnetoresistive sensor. In this way, |
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