Remote RF powering system for wireless MEMS strain sensors

被引：20

作者：

Chaimanonart, N ^{[1
]}

Young, DJ ^{[1
]}

机构：

[1] Case Western Reserve Univ, Dept Elect Engn & Comp Sci, Cleveland, OH 44106 USA

来源：

IEEE SENSORS JOURNAL | 2006年 / 6卷 / 02期

关键词：

inductive coupling; microelectromechanical systems (MEMS) microsystems; radio frequency (RF) powering system; strain sensors; telemetry;

D O I：

10.1109/JSEN.2006.870158

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A reliable remote radio frequency (RF) powering system is developed for industrial wireless microelectromechanical systems (MEMS) strain-sensing applications. The prototype system is insensitive to mechanical rotation and produces a stable DC voltage of 2.8 V with a 2-mA current supply capability from a 50-MHz RF power source with a power conversion efficiency of 11%. An improved efficiency can be expected with an optimized power transmitter design. The CMOS power converter electronics are fabricated in a 1.5-mu m CMOS process occupying an area of approximately 1 x 1 mm. The achieved DC power is adequate for supplying a high-performance wireless MEMS strain-sensing system.

引用

页码：484 / 489

页数：6

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