System Design of a Fifth-Order Close-Loop ΣΔ Accelerometer

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Abstract:

This paper presents the system design of a high order single loop electromechanical ΣΔ accelerometer. The noise-coupled is employed in the fourth-order feed-forward micro-accelerometer ΣΔ modulator to provide fifth-order noise shaping performance. It is implemented without degrading the loop stability and without changing original loop coefficients of the fourth-order accelerometer.

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Periodical:

Advanced Materials Research (Volumes 694-697)

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971-975

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Online since:

May 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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