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Calibrating iMEMS gyroscopes

Posted: 17 Mar 2010 ?? ?Print Version ?Bookmark and Share

Keywords:iMEMS gyroscopes? temperature compensation? gyro calibration?

Gyroscopes are often used for inertial navigation or other applications where high accuracy or stability is required. To maximise performance, the gyros used in these applications are generally calibrated and externally temperature compensated. This application note outlines a method for performing calibration and temperature compensation.

If a gyro is used in a temperature stable environment (or if it is kept at a constant temperature by means of a temperature control system), a single temperature point calibration is sufficient. To do this, simply bring the gyro up to the intended operating temperature (allowing sufficient soak time) and measure the null output voltage (V0).

View the PDF document for more information.

Click here to view related datasheets.

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