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http://dx.doi.org/10.5515/KJKIEES.2008.19.1.061

A RF MEMS Transmitter Based on Flexible Printed Circuit Boards  

Myoung, Seong-Sik (Dept. of Electrical Engineering, Yonsei University)
Kim, Seon-Il (Dept. of Electrical Engineering, Yonsei University)
Jung, Joo-Yong (Dept. of Electrical Engineering, Yonsei University)
Yook, Jong-Gwan (Dept. of Electrical Engineering, Yonsei University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.19, no.1, 2008 , pp. 61-70 More about this Journal
Abstract
This paper presents the flexible MEMS transmitter based on flexible printed circuit board or FPCB, which can be transformed to arbitrary shape. The FPCB is suitable to fabricate light weight and small size modules with the help of its thin thickness. Moreover a module based on FPCB can be attached on the arbitrary curved surface due to its flexible enough to be lolled up like paper. In this paper, the flexible MEMS transmitter integrated on FPCB for a short-distance sensor network which is based on orthogonal frequency division multiplexing(OFDM) communication system is proposed. The active device of the proposed flexible MEMS transmitter is fabricated on InGaP/GaAs HBT process which has been used for power amplifier design to take advantages of high linear and high efficient characteristics. Moreover, the passive devices such as the filter and signal lines are integrated and fabricated on the FPCB board. The performance of the fabricated flexible MEMS transmitter is analyzed with EVM characteristics of the output signal.
Keywords
Flexible Printed Circuit Board; Micro-Electro-Mechanical System; InGaP/GaAs HBT; Transmitter; Orthogonal Frequency Division Multiplexing; Integration;
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