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High-performance Dual-band Wireless Capacitive Pressure Sensor

M. M. Abutaleb, A. M. Anis Published in Circuits And Systems

International Journal of Applied Information Systems
Year of Publication: 2014
© 2013 by IJAIS Journal
10.5120/ijais14-451230
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  1. M M Abutaleb and A M Anis. Article: High-performance Dual-band Wireless Capacitive Pressure Sensor. International Journal of Applied Information Systems 7(8):28-31, September 2014. BibTeX

    @article{key:article,
    	author = "M. M. Abutaleb and A. M. Anis",
    	title = "Article: High-performance Dual-band Wireless Capacitive Pressure Sensor",
    	journal = "International Journal of Applied Information Systems",
    	year = 2014,
    	volume = 7,
    	number = 8,
    	pages = "28-31",
    	month = "September",
    	note = "Published by Foundation of Computer Science, New York, USA"
    }
    

Abstract

This paper presents the design of a high-performance dual-band wireless capacitive pressure sensor operating in harsh environment. The proposed design is composed of an absolute capacitive pressure sensor, pressure controlled oscillator (PCO), class-E power amplifier (PA) and an antenna. The sensor node collects and transmits the pressure variation in the term of frequency output wirelessly to a nearby base station. Simulation results show that the low frequency band can be tuned from 2. 1 to 2. 6 GHz while the high frequency band ranging from 4. 6 to 5. 1 GHz in a pressure range from 5 to 10 MPa with total output power from 16 to 14 dBm at 0. 35µm CMOS technology.

Reference

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Keywords

Capacitive pressure sensor, class-E PA, LC-based oscillator, dual-band