Calibration of magnetic field sensor for current probe
A test and measurement instrument for measuring a current in a device under test, comprising an input configured to receive signals from a magnetic field probe; and one or more processors configured to measure, from a signal from the magnetic field probe, a magnetic field generated by a current-carr...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A test and measurement instrument for measuring a current in a device under test, comprising an input configured to receive signals from a magnetic field probe; and one or more processors configured to measure, from a signal from the magnetic field probe, a magnetic field generated by a current-carrying conductor of the device under test based on a known current, determine a calibration factor based on the known current and the magnetic field, and generate a calibrated measurement of an unknown current in the current-carrying conductor using a magnetic field generated by the current-carrying conductor based on the unknown current and the calibration factor. |
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