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Signal detection of bulk-silicon capacitive dual-axis micro-accelerometers

  • Wang Chao*
  • , Liu Xiaowei
  • , Ren Yichao
  • , Huo Mingxue
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Heilongjiang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A novel signal detection method fit for capacitive dual-axis micro-accelerometers is presented based on the research of the bulk-silicon capacitive dual-axis accelerometer's structure and the analysis of differential capacitance detection method. This method could efficiently output the mixed signals on the two axes respectively. Its feasibility is verified by the simulation using HSPICE. Based on CSMC 0.5μm n well DPDM process SPICE BSIM3 MOS model (LEVEL=49) at 5V power supply, the results of simulation are respectively, single-sensitivity 50 mV/g, frequency respond 2.3kHz, and measurement scale ±50g.

Original languageEnglish
Title of host publicationProceedings of the 2007 IEEE International Conference on Mechatronics and Automation, ICMA 2007
Pages1862-1866
Number of pages5
DOIs
StatePublished - 2007
Event2007 IEEE International Conference on Mechatronics and Automation, ICMA 2007 - Harbin, China
Duration: 5 Aug 20078 Aug 2007

Publication series

NameProceedings of the 2007 IEEE International Conference on Mechatronics and Automation, ICMA 2007

Conference

Conference2007 IEEE International Conference on Mechatronics and Automation, ICMA 2007
Country/TerritoryChina
CityHarbin
Period5/08/078/08/07

Keywords

  • Differential capacitance
  • Dual-axis
  • Signal detection
  • Time-division

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