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Electronic Detection Strategies for a MEMS-Based Biosensor

Lookup NU author(s): Richie Burnett, Dr Alun Harris, Dr Pedro Ortiz, Dr John Hedley, Emeritus Professor James Burdess, Dr Neil Keegan, Julia Spoors, Professor Calum McNeil

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Abstract

This work reports on the development of control electronics for a resonant mode biosensor. The laboratory demonstrated sensor initially showed a signal-to-noise ratio of -100 dB. With the application of half-frequency drive, frequency down conversion, appropriate filtering, and digital signal processing, a cost-effective electronic solution demonstrated a signal-to-noise ratio of +30 dB. This paper highlights important aspects in the design of integrated solutions to microelectromechanical systems-based sensors.


Publication metadata

Author(s): Burnett R, Harris AJ, Ortiz P, Hedley J, Burdess JS, Keegan N, Spoors JA, McNeil CJ

Publication type: Article

Journal: Journal of Microelectromechanical Systems

Year: 2013

Volume: 22

Issue: 2

Pages: 276-284

Print publication date: 05/10/2012

ISSN (print): 1057-7157

ISSN (electronic): 1941-0158

Publisher: IEEE

URL: http://dx.doi.org/10.1109/JMEMS.2012.2219294

DOI: 10.1109/JMEMS.2012.2219294


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