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Dynamics-level Design for Discrete- and Continuous-Time Band-pass Sigma-Delta-Modulators for Micro-machined Accelerometers

Luo, Jian, Rapisarda, Paolo and Kraft, Michael (2010) Dynamics-level Design for Discrete- and Continuous-Time Band-pass Sigma-Delta-Modulators for Micro-machined Accelerometers At MTNS 2010, Hungary. 05 - 09 Jul 2010.

Record type: Conference or Workshop Item (Paper)

Abstract

High-performance micro-electro-mechanical systems (MEMS) sensors can be implemented by incorporating a micro-machined capacitive sensing element in a Sigma-Delta-Modulators force-feedback loop, forming an electro-mechanical Sigma-Delta Modulator (EM-SDM). We propose a transfer-function based design methodology to realize discrete- and continuous-time low-pass EM-SDM. The design is performed at the level of the integrated system consisting of the electro-mechanical sensor and of the electronic circuit; we call this the dynamics-level. We also illustrate a technique to perform the conversion of the discrete-time design to a continuous-time one. The approach is demonstrated through an EM-SDM design example for a bulk micro-machined, capacitive accelerometer.

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More information

Published date: 6 July 2010
Additional Information: Event Dates: July 5-9, 2010
Venue - Dates: MTNS 2010, Hungary, 2010-07-05 - 2010-07-09
Organisations: Nanoelectronics and Nanotechnology, Southampton Wireless Group

Identifiers

Local EPrints ID: 271385
URI: http://eprints.soton.ac.uk/id/eprint/271385
PURE UUID: b9f7e84c-329f-43b5-8b2d-d9560217872f

Catalogue record

Date deposited: 12 Jul 2010 12:11
Last modified: 18 Jul 2017 06:43

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Contributors

Author: Jian Luo
Author: Paolo Rapisarda
Author: Michael Kraft

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